Category: Diet

Ginseng for endurance

Ginseng for endurance

Establishment and identification of Ginseng for endurance animal model of long-term exercise-induced fatigue. In Ginsenh animals, the femoral Ginseng for endurance Ginsebg unable relax in response to cumulative doses of ACh. Physical exercise-induced fatigue: The role of serotonergic and dopaminergic systems. Ginseng for Weight Loss: Does It Work? Visit Product Quick List to make space.

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Researchers in a study published in the Journal Envurance Strength and Vitamin D and bone health Research randomly assigned vor untrained Gineeng to 2 groups.

One group received mg of Chinese ginseng, while the other received a placebo i. The findings? Ginseng can improve exercise performance measures eendurance athletes.

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Ginxeng this article, we explore four key benefits you need to know. Chinese emperors were obsessed with ginseng. For good reason. Here, discover 4 proven benefits of ginseng for men.

It's a, um, pleasurable read—we promise. Many weight loss "hacks" out there don't work. What about ginseng? Here, we explore whether ginseng truly works for weight loss, so you can…. Ginseng should be your preferred caffeine alternative. It wards off fatigue without harming health in the long term — learn more in this article.

You've heard wonders about North American ginseng. But just how much of it should you take, in what form e. Could supplementing with ginseng provide sports-related benefits?

And if so: which sports would see the most improvement and why? Find out in this article. Heart disease prevention should be at the very top of your priority. But how? Well, continue reading!

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Can Ginseng Help You Perform Better During Exercise? Ginseng: an adaptogenic herb that fights fatigue and boosts energy Why ginseng?

Alarm phase 2. Phase of resistance 3. Phase of exhaustion As you encounter a stressor e. Boosts endurance Researchers in a study published in the Journal of Strength and Conditioning Research randomly assigned 29 untrained adults to 2 groups.

Improves several performance measures Ginseng can improve exercise performance measures in athletes. Amps up fat oxidation Looking to shed those extra pounds from exercising? OTHER NEWS 4 Ways Ginseng Can Improve Your Gut Health February 1, Asthma.

Asian Ginseng: Which Is the Best Type of Ginseng? October 11, American vs. May 26, Does Ginseng Keep You Awake or Help You Fall Asleep? Ginseng for Weight Loss: Does It Work?

March 7, Many weight loss "hacks" out there don't work. Caffeine vs. Ginseng: Which Is Better? December 20, Ginseng should be your preferred caffeine alternative. Your Guide to Using North American Ginseng November 9, You've heard wonders about North American ginseng.

How To Keep Your Heart Healthy 5 Heart Disease Prevention Tips! July 6, Heart disease prevention should be at the very top of your priority. April 26, Pamper your mom with these brilliant ideas on Mother's Day, either in person or virtually!

Always Tired? Ginseng Can Help You Fight Fatigue March 9, Looking for an energy booster? March 3, If you wish to level-up your workouts, ginseng is a natural, energy-boosting alternative to fight fatigue and increase exercise performance.

How To Determine The Quality Of Ginseng December 18, Despite all the health benefits that ginseng has, not all ginseng is created equal! Can Ginseng Boost Your Immune System? December 17, With the still-ongoing coronavirus pandemic, ginseng could help ensuring that your immune system is as strong as it can be.

December 14, It's an undeniable fact. see more news.

: Ginseng for endurance

Korean ginseng may offer the following benefits for the athlete

Isometric contractions and relaxations were continuously measured using PowerLab ML 26T; ADInstruments, Colorado Springs, CO, United States. Data were recorded using LabChart v7. The vessels were pre-constricted with 10 -5 M phenylephrine PE.

When a steady-state level of constriction was observed, vasorelaxation of the vessels to a dose of 10 -8 M acetylcholine Ach was measured. This process was repeated on four occasions for measurement of vasorelaxation responses to cumulatively higher doses of the vasoactive substance: 10 -7 M ACh, 10 -6 M ACh, 10 -5 M ACh, and 10 -4 M ACh.

Following these experiments, vessels were once more pre-constricted and then exposed to a single dose of 10 -5 M of the NOS inhibitor N G -nitro- L -arginine methyl ester L -NAME. Vasorelaxation responses to 10 -4 M ACh and to 10 -4 M sodium nitroprusside SNP were assessed in the presence of L -NAME in the organ bath.

The model parameters were estimated by least-squares non-linear regression Origin, OriginLab, Corp. The calculated time delay for the vasorelaxation response CTD was estimated using second-by-second data and represented the time, after ACh infusion, at which the signal initiated a systematic decrease from its steady-state constriction value.

The overall response represented by the TTSS indicates the speed of adjustment of the vasorelaxation response from the infusion of the vasoactive substance i. Baseline constriction values were calculated as the mean value in the 30 s prior to a transition. For determination of the sensitivity of each vessel in each condition to cumulative doses of ACh, the percent vasorelaxation response was plotted on the y-axis against the dose of ACh on the x-axis.

Non-fasted state serum glucose measurements were obtained from blood collected from the abdominal aorta prior to sacrifice using a One Touch Ultra 2 Blood Glucose Monitoring System Lifescan Canada, Ltd. Data are presented as means ± standard deviation.

For analysis of the kinetics of the vasorelaxation response, a two-way analysis of variance ANOVA was used to determine statistical significance for the dependent variables. For the dose—response sensitivity analysis, a two-way repeated measures ANOVA was used to determine statistical significance for the dependent variables.

A Tukey post hoc analysis was used when significant differences were found for the main effects of each dependent variable.

The ANOVA was analyzed by SPSS Version No other between group differences were observed for body mass. The overall vasoconstriction responses were not significantly different between groups C S , 3.

Serum glucose concentrations prior to sacrifice were lower in C S 6. Figure 1 illustrates a typical vasorelaxation response for a carotid, aorta, and femoral artery with it corresponding kinetics fitting.

The dynamic vasorelaxation response for each vessel in each condition as expressed by the TTSS is depicted in Figure 2. As such, the TTSS is presented for those femoral vessels only. Figure 3 displays the TTSS of the vasorelaxation response as a function of serum glucose for the carotid and aorta arteries.

FIGURE 1. Model fits for a representative carotid A , aorta B , and femoral C. Open circles are the raw data and the red lines represent the linear baseline and mono-exponential ACh infusion starting at time 0 model fits.

FIGURE 2. Time-to-Steady-Stated of the vasorelaxation response for each vessel in each experimental conditions. FIGURE 3. Scatterplot displaying the time-to-steady-state of the vasorelaxation response as a function of serum glucose for the carotid and aorta arteries. The vasorelaxation responses to cumulative doses of ACh for each vessel in each experimental condition are shown in Figure 4.

FIGURE 4. vasorelaxation responses to cumulative doses of ACh. The EC 50 values for C S 5. The EC 50 values for C S 3. The EC 50 values for D S 1.

This study examined the effects of 12 weeks of North American ginseng supplementation and exercise training on vascular responses in diabetic rats. The main findings were that: 1 although the sensitivity and amplitude of the vascular response to ACh of the femoral artery was severely affected by diabetes, this disease did not negatively affect the sensitivity to ACh of the carotid or aorta artery; 2 North American ginseng supplementation restored the loss of sensitivity in the femoral artery, and exercise training did not add any further vascular protection; 3 control sedentary rats showed a depressed percent vascular responsiveness to ACh in the femoral and aorta arteries compared to control animals that were not exposed to 12 weeks of living within a limited space.

In agreement with previous observations from our group Murias et al. The main finding from this investigation was that the sensitivity to ACh of the femoral artery, supplying blood to the locomotor muscles in the hind limbs, was severely affected by diabetes as well as by sedentary behavior, whereas the carotid artery, supplying blood to the brain, showed no detrimental changes in sensitivity from diabetes or from living in an environment that limited movement.

This differential response might simply reflect functional characteristics of the vessels that make the femoral artery more likely to be affected by diabetes and lack of activity.

This idea is supported by the fact that 6 out of 12 and 6 out of 14 femoral vessels showed a complete abolishment of the vasorelaxation response in the in C S and D S groups, respectively.

In these animals, the femoral artery was unable relax in response to cumulative doses of ACh. This lack of endothelium-dependent vasoactive response would profoundly limit the ability of the femoral artery to make adjustments to accommodate blood flow based on increments in metabolic requirements.

On the contrary, the carotid artery showed no negative signs related to diabetes or limited physical activity. This is not necessarily surprising as blood supply to the brain is tightly regulated Vavilala et al. In other words, whereas the stimulus for maintaining endothelium-dependent responses will be fairly constant in the carotid artery independently of diabetes and the limitations for movement imposed by the living environment, the femoral artery will be more affected by the lower metabolic rates associated with the present model.

In agreement with this notion, greater endothelium-dependent vasorelaxation and blood flow have been shown in areas of the muscle that are most active due to increased ACh and e-NOS protein expression Laughlin and Roseguini, These data do not preclude that longer periods of diabetes or inactivity i.

Additionally, although conflictive data exists on this issue, it has to be acknowledged that data in humans have demonstrated a link between type I diabetes and carotid artery dysfunction Vouillarmet et al. In relation to this, a connection between type I diabetes and cerebrovascular disease and stroke has to be acknowledged and, perhaps, certain lack of translation between animal and human data needs to be considered in this case.

Nevertheless, the data from the present study show that, at least in this specific model and testing conditions, functional vasorelaxation responses are vessel-specific. Importantly, ginseng supplementation resulted in the sensitivity to ACh being re-established in the femoral artery.

Although data from the present study cannot determine the mechanisms that mediated this improved functional response, different factors affecting this response could be speculated upon.

For instance, it has been shown that Panax ginseng helps reverse vascular dysfunction induced by diabetes, and that the protective effects are likely explained by down-regulation of atherosclerosis-related genes and altered lipid metabolism, which contribute to re-establish normal endothelium functions Chan et al.

Additionally, different experimental studies have established that ginseng extract provide a direct vasodilatory effect on isolated blood vessels Karmazyn et al. Indeed, a recent review reported that ginsenosides play a role in stimulating NO production in several systems Lü et al.

Another mechanism of action for improved vascular response with ginseng supplementation is related to a reduction in ROS, which are more predominant in diabetic populations Timimi et al. In this regard, protective effects of ginsenosides have been shown in damaged endothelium from rabbits Gillis, Furthermore, other mechanisms such as blockade of calcium channels have also been implicated in the improved vasodilatory response Kwan et al.

Contrary to our hypothesis, exercise training did not add further improvements to vascular sensitivity compared to ginseng supplementation alone. Previous studies have shown the positive effects of exercise training on vascular responses Fuchsjager-Mayrl et al.

In fact, the use of a high intensity of endurance training was determined by a previous study showing that this but not lower intensities of endurance exercise resulted in better vascular adaptations Murias et al. For example, this model of type I diabetes with high glucose concentrations would increase oxidative stress Ting et al.

In addition to the sensitivity dose—response of the vessels to ACh, this study examined the dynamic adjustment of each artery kinetics response to a dose of 10 -4 M ACh. Previously, we have demonstrated that diabetes resulted in a slower adjustment of the vasorelaxation response compared to control animals, as shown by a larger τ or TTSS value Murias et al.

Similarly, it was established that exercise training restored the dynamic adjustment of diabetic rats to what was observed in the control animals Murias et al. Surprisingly, the responses in the present investigation did not agree with previous observations.

Indeed, the dynamic adjustment of the vasorelaxation response was faster in all diabetic groups compared to the control groups both C and C S , and this change was mediated by a significant reduction in the TTSS in the carotid and aorta vessels under diabetes.

The reasons for this unexpected behavior are unclear, but they might be mediated by the high level of serum glucose concentration. In fact, glucose concentrations lower than 15 mM L -1 were associated with a wider range of dynamic adjustments in the carotid and the aorta, as described elsewhere Murias et al.

Previously, we have interpreted the faster dynamic adjustment in control or in exercise-trained compared to diabetic animals as a positive feature. However, in this case, this faster adjustment, which is even more pronounced in the aorta, is counterintuitive.

A previous study has shown enhanced endothelium-dependent vasodilation in the aorta in the early stages of an STZ mouse diabetic model, and attributed this improved response to enhanced production of prostaglandin I 2 and endothelium-derived hyperpolarizing factor Shen et al.

Another possibility to consider is the role of the glycocalyx in the observed responses. It has been shown that the glycocalyx, a dynamic layer that is important to vascular homeostasis, is affected by circulating blood glucose concentrations Van Teeffelen et al.

A thinner glycocalyx layer as a result of high glucose concentrations would have the opposite results. Nevertheless, although more studies are warranted to mechanistically explain these contradictory responses using different diabetes models, it is important to emphasize that interpretations should be made with caution when trying to extrapolate data from animal models to human responses when the conditions of the model do not closely resemble what is observed in humans i.

Another important finding from this study is the depressed vascular responsiveness to ACh observed in the femoral artery of what was defined as the control sedentary compared to the control group.

The reason for the selection of the control sedentary group as presented in this investigation was to mimic similar conditions as those presented in the diabetic animals.

In that sense, it could be argued that this is the appropriate group against which vasorelaxation responses in the diabetic rats should be compared, as all animals were exposed to identical living conditions.

However, it could also be argued that the control sedentary group in this study does not represent the responses that would be observed in healthy animals that were not exposed to a sedentary lifestyle.

Under these circumstances, it would remain unclear what part of the detrimental effects in vasorelaxation responses are related to diabetes or to inactive lifestyle per se.

As such, appropriate definition of what a control group represents seems warranted when analyzing physiological responses to a given intervention. A limitation of this study is that we were unable to collect enough tissue to study some potential mechanisms that might control the changes in functional responses observed in this study.

Thus, further research is warranted to elucidate the factors regulating these functional changes. Additionally, it has to be considered that the present results can only be interpreted in relation to the effects of ginseng supplementation on a type I STZ-induced diabetes model. Future studies should examine whether or not ginseng supplementation has similar effect in other groups.

However, the lack of differences in the carotid makes us think that functional rather than stress related factors might be responsible for the observed differences.

In relation to the age, although the C groups was younger than the C S group, both were near or within the range of young adult animals Lewis et al. As for the differences in body mass, it has to be accepted that the greater mass in the C S group might be associated not only to growth but also to an increase in percent body fat, which has been shown to affect vascular response Perticone et al.

Finally, for the present study, length-tension curves were not individually performed for each vessel and the baseline tension for each vessel was based on extensive pilot data examining different baseline tensions for each vessel, as described in the methods.

This study demonstrated that diabetes and sedentary lifestyle have detrimental effects on vascular responses that, at least in the present investigation, are mostly observed in the femoral artery, such that the sensitivity to cumulative doses of ACh is reduced. Importantly, supplementation with herbal medicine ginseng helped in reversing these effects.

JM: research design, data collection analysis and interpretation, statistical analysis, manuscript writing and revisions. MJ: research design, data collection and analysis, manuscript revisions. TD: research design, data analysis, manuscript revisions. EN: research design, data interpretation, manuscript revisions.

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. We would like to thank Dr. Edmund Lui for providing us with the ginseng extracts used in this study.

Amin, K. Effects of panax quinquefolium on streptozotocin-induced diabetic rats: role of C-peptide, nitric oxide and oxidative stress. PubMed Abstract Google Scholar. Azike, C.

The Yin and Yang actions of North American ginseng root in modulating the immune function of macrophages. doi: PubMed Abstract CrossRef Full Text Google Scholar. Beckman, J.

Oral antioxidant therapy improves endothelial function in Type 1 but not Type 2 diabetes mellitus. Heart Circ. Bedford, T. Maximum oxygen consumption of rats and its changes with various experimental procedures. Behnke, B. Aging blunts the dynamics of vasodilation in isolated skeletal muscle resistance vessels.

Bhatia, V. Severe hypoglycemia in youth with insulin-dependent diabetes mellitus: frequency and causative factors. Pediatrics 88, — Chan, G. Ginseng extracts restore high-glucose induced vascular dysfunctions by altering triglyceride metabolism and downregulation of atherosclerosis-related genes.

Based Complement. Chen, X. Cardiovascular protection by ginsenosides and their nitric oxide releasing action. Di Veroli, G. An automated fitting procedure and software for dose-response curves with multiphasic features. Dimmeler, S. Activation of nitric oxide synthase in endothelial cells by Akt-dependent phosphorylation.

Nature , — Google Scholar. Fuchsjager-Mayrl, G. Exercise training improves vascular endothelial function in patients with type 1 diabetes. Diabetes Care 25, — CrossRef Full Text Google Scholar. Furchgott, R. The obligatory role of endothelial cells in the relaxation of arterial smooth muscle by acetylcholine.

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Choose items to buy together. Similar items that may ship from close to you. Page 1 of 1 Start over Page 1 of 1. Previous page. NOW Supplements, American Ginseng Panax quinquefolius mg, Herbal Supplement, Veg Capsules.

Authentic Panax Quinquefolius. Potent Ground Ginseng Root - No Fillers, Binders or Other Additives. NusaPure American Ginseng mg - Veggie Capsules Vegetarian, Non-GMO, Gluten-Free. Get it as soon as Monday, Feb Dairyland Management LLC American Ginseng Capsules - 75 ct, mg - Wisconsin Ginseng Complex Capsules - Authentic American Ginseng - Use as Daily Herbal Supplement.

American Ginseng Capsules mg Count Non-GMO, Gluten Free Supplement Ginseng Root Extract Complex by Horbaach. Amazon's Choice. COM American Ginseng Capsules - Ginseng Supplement, American Ginseng Extract - Ginseng Herbal Supplement, 2 Capsules per Serving mg Equivalent , Veg Capsules.

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Ginsenosides, Boost Mental Performance, Energy and Immunity. Green Valley Health Market LLC. ACTIF OFFICIAL. Antler Farms. American Ginseng. Other Ingredients: Rice Powder, Gelatin Capsule, Vegetable Magnesium Stearate, Silica. Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.

Produced in a GMP facility that processes other ingredients containing these allergens. American ginseng mg. Brief content visible, double tap to read full content. Full content visible, double tap to read brief content. Help others learn more about this product by uploading a video!

Important information Safety Information If pregnant, consult your physician before taking. Indications Vital Nutrients - American Ginseng - Energy Support - Mental and Physical Endurance - Vegetarian Capsules per Bottle - mg.

Directions 2 capsules twice daily ideally between meals, or as directed by a healthcare practitioner. Legal Disclaimer Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.

Herbs in exercise and sports Page 1 of 1 Start over Page 1 of 1. Sold by. Sign up to our newsletter to receive articles straight to your inbox and the latest news about our forthcoming P-Form supplement range. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Kovacs EM, Stegen JHCH, Brous F: Effects of caffeinated drinks on substrate metabolism, caffeine excretion, and performance.
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Report an issue with this product or seller. Frequently bought together. This item: Vital Nutrients - American Ginseng - Energy Support - Mental and Physical Endurance - Vegetarian Capsules per Bottle - mg. Get it as soon as Tuesday, Feb Get it as soon as Sunday, Feb Total price:.

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Previous page. NOW Supplements, American Ginseng Panax quinquefolius mg, Herbal Supplement, Veg Capsules. Authentic Panax Quinquefolius.

Potent Ground Ginseng Root - No Fillers, Binders or Other Additives. NusaPure American Ginseng mg - Veggie Capsules Vegetarian, Non-GMO, Gluten-Free. Get it as soon as Monday, Feb Dairyland Management LLC American Ginseng Capsules - 75 ct, mg - Wisconsin Ginseng Complex Capsules - Authentic American Ginseng - Use as Daily Herbal Supplement.

American Ginseng Capsules mg Count Non-GMO, Gluten Free Supplement Ginseng Root Extract Complex by Horbaach. Amazon's Choice. Surprisingly, the responses in the present investigation did not agree with previous observations.

Indeed, the dynamic adjustment of the vasorelaxation response was faster in all diabetic groups compared to the control groups both C and C S , and this change was mediated by a significant reduction in the TTSS in the carotid and aorta vessels under diabetes. The reasons for this unexpected behavior are unclear, but they might be mediated by the high level of serum glucose concentration.

In fact, glucose concentrations lower than 15 mM L -1 were associated with a wider range of dynamic adjustments in the carotid and the aorta, as described elsewhere Murias et al.

Previously, we have interpreted the faster dynamic adjustment in control or in exercise-trained compared to diabetic animals as a positive feature. However, in this case, this faster adjustment, which is even more pronounced in the aorta, is counterintuitive. A previous study has shown enhanced endothelium-dependent vasodilation in the aorta in the early stages of an STZ mouse diabetic model, and attributed this improved response to enhanced production of prostaglandin I 2 and endothelium-derived hyperpolarizing factor Shen et al.

Another possibility to consider is the role of the glycocalyx in the observed responses. It has been shown that the glycocalyx, a dynamic layer that is important to vascular homeostasis, is affected by circulating blood glucose concentrations Van Teeffelen et al.

A thinner glycocalyx layer as a result of high glucose concentrations would have the opposite results. Nevertheless, although more studies are warranted to mechanistically explain these contradictory responses using different diabetes models, it is important to emphasize that interpretations should be made with caution when trying to extrapolate data from animal models to human responses when the conditions of the model do not closely resemble what is observed in humans i.

Another important finding from this study is the depressed vascular responsiveness to ACh observed in the femoral artery of what was defined as the control sedentary compared to the control group.

The reason for the selection of the control sedentary group as presented in this investigation was to mimic similar conditions as those presented in the diabetic animals. In that sense, it could be argued that this is the appropriate group against which vasorelaxation responses in the diabetic rats should be compared, as all animals were exposed to identical living conditions.

However, it could also be argued that the control sedentary group in this study does not represent the responses that would be observed in healthy animals that were not exposed to a sedentary lifestyle. Under these circumstances, it would remain unclear what part of the detrimental effects in vasorelaxation responses are related to diabetes or to inactive lifestyle per se.

As such, appropriate definition of what a control group represents seems warranted when analyzing physiological responses to a given intervention. A limitation of this study is that we were unable to collect enough tissue to study some potential mechanisms that might control the changes in functional responses observed in this study.

Thus, further research is warranted to elucidate the factors regulating these functional changes. Additionally, it has to be considered that the present results can only be interpreted in relation to the effects of ginseng supplementation on a type I STZ-induced diabetes model.

Future studies should examine whether or not ginseng supplementation has similar effect in other groups. However, the lack of differences in the carotid makes us think that functional rather than stress related factors might be responsible for the observed differences.

In relation to the age, although the C groups was younger than the C S group, both were near or within the range of young adult animals Lewis et al. As for the differences in body mass, it has to be accepted that the greater mass in the C S group might be associated not only to growth but also to an increase in percent body fat, which has been shown to affect vascular response Perticone et al.

Finally, for the present study, length-tension curves were not individually performed for each vessel and the baseline tension for each vessel was based on extensive pilot data examining different baseline tensions for each vessel, as described in the methods.

This study demonstrated that diabetes and sedentary lifestyle have detrimental effects on vascular responses that, at least in the present investigation, are mostly observed in the femoral artery, such that the sensitivity to cumulative doses of ACh is reduced.

Importantly, supplementation with herbal medicine ginseng helped in reversing these effects. JM: research design, data collection analysis and interpretation, statistical analysis, manuscript writing and revisions. MJ: research design, data collection and analysis, manuscript revisions.

TD: research design, data analysis, manuscript revisions. EN: research design, data interpretation, manuscript revisions. The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

We would like to thank Dr. Edmund Lui for providing us with the ginseng extracts used in this study. Amin, K. Effects of panax quinquefolium on streptozotocin-induced diabetic rats: role of C-peptide, nitric oxide and oxidative stress.

PubMed Abstract Google Scholar. Azike, C. The Yin and Yang actions of North American ginseng root in modulating the immune function of macrophages.

doi: PubMed Abstract CrossRef Full Text Google Scholar. Beckman, J. Oral antioxidant therapy improves endothelial function in Type 1 but not Type 2 diabetes mellitus. Heart Circ. Bedford, T. Maximum oxygen consumption of rats and its changes with various experimental procedures.

Behnke, B. Aging blunts the dynamics of vasodilation in isolated skeletal muscle resistance vessels. Bhatia, V.

Severe hypoglycemia in youth with insulin-dependent diabetes mellitus: frequency and causative factors. Pediatrics 88, — Chan, G. Ginseng extracts restore high-glucose induced vascular dysfunctions by altering triglyceride metabolism and downregulation of atherosclerosis-related genes. Based Complement.

Chen, X. Cardiovascular protection by ginsenosides and their nitric oxide releasing action. Di Veroli, G. An automated fitting procedure and software for dose-response curves with multiphasic features. Dimmeler, S. Activation of nitric oxide synthase in endothelial cells by Akt-dependent phosphorylation.

Nature , — Google Scholar. Fuchsjager-Mayrl, G. Exercise training improves vascular endothelial function in patients with type 1 diabetes. Diabetes Care 25, — CrossRef Full Text Google Scholar.

Furchgott, R. The obligatory role of endothelial cells in the relaxation of arterial smooth muscle by acetylcholine. Gillis, C. Panax ginseng pharmacology: a nitric oxide link? Goto, C. Effect of different intensities of exercise on endothelium-dependent vasodilation in humans: role of endothelium-dependent nitric oxide and oxidative stress.

Circulation , — Hadi, H. Endothelial dysfunction in diabetes mellitus. Health Risk Manag. Hattori, Y. Superoxide dismutase recovers altered endothelium-dependent relaxation in diabetic rat aorta.

Jeon, B. Effect of Korea red ginseng on the blood pressure in conscious hypertensive rats. Johnstone, M. Impaired endothelium-dependent vasodilation in patients with insulin-dependent diabetes mellitus.

Circulation 88, — Karmazyn, M. Therapeutic potential of ginseng in the management of cardiovascular disorders. Drugs 71, — Kwan, C. Vascular effects of Siberian ginseng Eleutherococcus senticosus : endothelium-dependent NO- and EDHF-mediated relaxation depending on vessel size.

Naunyn Schmiedebergs Arch. Laughlin, M. Mechanisms for exercise training-induced increases in skeletal muscle blood flow capacity: differences with interval sprint training versus aerobic endurance training. Lewis, E. Sexual maturation data for Crl Sprague-Dawley rats: criteria and confounding factors.

Drug Chem. Lü, J. Ginseng compounds: an update on their molecular mechanisms and medical applications. MacKenzie, A.

Endothelium-derived vasoactive agents, AT1 receptors and inflammation. Murias, J. Vessel-specific rate of vasorelaxation is slower in diabetic rats. High-intensity endurance training results in faster vessel-specific rate of vasorelaxation in type 1 diabetic rats.

PLoS One 8:e Acute endurance exercise induces changes in vasorelaxation responses that are vessel-specific. Beta-cell apoptosis is responsible for the development of IDDM in the multiple low-dose streptozotocin model. Perticone, F. Obesity and body fat distribution induce endothelial dysfunction by oxidative stress: protective effect of vitamin C.

Diabetes Metab. Rad, M. The association between carotid intima-media thickness and the duration of type 1 diabetes in children. Sallam, N. Effect of moderate-intensity exercise on plasma C-reactive protein and aortic endothelial function in type 2 diabetic mice.

Mediators Inflamm. Shen, B. Mechanism underlying enhanced endothelium-dependent vasodilatation in thoracic aorta of early stage streptozotocin-induced diabetic mice. Acta Pharmacol. Stamler, J. Nitric oxide regulates basal systemic and pulmonary vascular resistance in healthy humans.

Circulation 89, — Timimi, F. Vitamin C improves endothelium-dependent vasodilation in patients with insulin-dependent diabetes mellitus. Ting, H. Vitamin C improves endothelium-dependent vasodilation in patients with non-insulin-dependent diabetes mellitus.

Van Teeffelen, J. Endothelial glycocalyx: sweet shield of blood vessels. Trends Cardiovasc. Vavilala, M. Cerebral blood flow and vascular physiology.

North America 20, — Vouillarmet, J. Carotid atherosclerosis progression and cerebrovascular events in patients with diabetes. Diabetes Complications 30, — Keywords : endothelium-dependent vasorelaxation, vessel myography, type I diabetes, vascular kinetics, aerobic training.

Citation: Murias JM, Jiang M, Dzialoszynski T and Noble EG Effects of Ginseng Supplementation and Endurance-Exercise in the Artery-Specific Vascular Responsiveness of Diabetic and Sedentary Rats. Received: 07 January ; Accepted: 13 April ; Published: 04 May Copyright © Murias, Jiang, Dzialoszynski and Noble.

This is an open-access article distributed under the terms of the Creative Commons Attribution License CC BY. The use, distribution or reproduction in other forums is permitted, provided the original author s and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice.

No use, distribution or reproduction is permitted which does not comply with these terms.

Glucose monitoring system also encourages mental and physical enxurance, stamina, and energy production. Ginseg are ednurance American-owned and operated company dedicated to manufacturing high-quality Glucose monitoring system supplements that promote health, wellness, Organic herbal medicine vitality. Our products are trusted by hospitals, healthcare practitioners, and consumers worldwide. While all-natural product companies claim to have the best quality, most are not completing all the steps required to comprehensively ensure that quality and purity standards are consistently met for every batch of product. No Skip Lot Testing Some companies skip lot test their products.

Ginseng for endurance -

For the best experience on our site, be sure to turn on Javascript in your browser. The HRG80 Difference As one of the world's oldest adaptogens, red ginseng has been recommended for centuries.

HRG80 is unique. It is hydroponically grown using a pesticide-free method and concentrates its most valuable compounds: rare, noble ginsenosides. HRG80 helps you stay focused, emotionally resilient, and energized throughout the day.

Clinically Studied Participants who experienced benefits in a clinical study featuring HRG80 red ginseng, reported amazing results:. Take 1 capsule daily. May increase to 1 capsule twice daily. Results improve with continued use.

If pregnant or nursing, consult a healthcare practitioner before use. The HRG80 ginseng that we feature in our red ginseng supplements is hydroponically grown. Because the ginseng roots are carefully cultivated and provided with optimal growing conditions without the need for pesticides or exposure to soil-borne toxins, the plant thrives and produces the beneficial compounds we look for that make a good supplement.

Those compounds include noble ginsenosides, which are rare in conventionally grown ginseng roots. Much of the conventionally grown ginseng contains what are known as classic or common ginsenosides.

These are converted in the gut into noble ginsenosides, which are more easily absorbed in the intestines and used by the body. HRG80 ginseng, by comparison, is grown in such a way that it already has more noble ginsenosides in the root—7 times more than a leading, conventionally grown ginseng supplement.

A Caco-2 study found that the noble ginsenosides in HRG80 were 17 times more absorbable than classic ginsenosides. The traditional Korean steaming process helps ginsenosides become more absorbed or bioavailable as well, but starting off with a higher level of rare, noble ginsenosides makes good sense if you want to see results.

Our HRG80 Red Ginseng Energy supplement helps you feel more energized by helping you feel more resilient to stress.

After all, stress is exhausting. Although both red and white Panax ginseng also known as Asian ginseng are from the same species, they are not processed the same way.

Steaming can help make ginseng compounds—known as ginsenosides—better absorbed, and that may be one of the reasons that Korean practitioners typically preferred red ginseng. The use of adaptogens such as ginseng may benefit the athlete, supporting the stress response, improving the recovery process and enhancing health and performance.

Korean ginseng may have fatigue fighting effects due to its antioxidant properties 7. Supplementation with Korean ginseng may improve performance and feelings of mental fatigue during sustained activity 8. Experimental evidence in animals also indicates that Korean ginseng may support resistance to fatigue 9.

Experimental evidence in animals indicates that Korean ginseng supplementation may have anti-stress properties 10 , as well as indicating that adaptogens in general enhance resistance to stress Ginseng may play a role in regulating different types of immune cells, supporting immune health, regulating inflammatory disease and infections Supplementation with Korean ginseng may reduce exercise induced muscle damage and inflammatory responses Korean ginseng is an adaptogen: that may support and regulate the stress response, increasing resilience and robustness.

Korean ginseng may have anti-fatigue and anti-stress properties: which may enhance the recovery and performance process for the athlete. Sign up to our newsletter to receive articles straight to your inbox and the latest news about our forthcoming P-Form supplement range.

For the exercised rats, 18 h separated the last bout of exercise from vessel collection. The carotid, aorta, and femoral arteries were rapidly excised and placed into ice-cold modified Krebs—Henseleit buffer The vessels were then carefully cleaned of connective and adipose tissue.

These vessels were selected to represent a commonly used artery in this type of preparation that reflects more central delivery of blood i. Each vessel ring was mounted onto a GlobalTown Microtech EZ-bath system GobalTown Microtech, Inc.

These values were the results of pilot testing in our laboratory to determine optimal baseline tensions for each vessel section, as previously reported Murias et al.

Fresh buffer 5 ml was added to organ baths at the end of the equilibration period. Isometric contractions and relaxations were continuously measured using PowerLab ML 26T; ADInstruments, Colorado Springs, CO, United States.

Data were recorded using LabChart v7. The vessels were pre-constricted with 10 -5 M phenylephrine PE. When a steady-state level of constriction was observed, vasorelaxation of the vessels to a dose of 10 -8 M acetylcholine Ach was measured. This process was repeated on four occasions for measurement of vasorelaxation responses to cumulatively higher doses of the vasoactive substance: 10 -7 M ACh, 10 -6 M ACh, 10 -5 M ACh, and 10 -4 M ACh.

Following these experiments, vessels were once more pre-constricted and then exposed to a single dose of 10 -5 M of the NOS inhibitor N G -nitro- L -arginine methyl ester L -NAME.

Vasorelaxation responses to 10 -4 M ACh and to 10 -4 M sodium nitroprusside SNP were assessed in the presence of L -NAME in the organ bath. The model parameters were estimated by least-squares non-linear regression Origin, OriginLab, Corp. The calculated time delay for the vasorelaxation response CTD was estimated using second-by-second data and represented the time, after ACh infusion, at which the signal initiated a systematic decrease from its steady-state constriction value.

The overall response represented by the TTSS indicates the speed of adjustment of the vasorelaxation response from the infusion of the vasoactive substance i. Baseline constriction values were calculated as the mean value in the 30 s prior to a transition. For determination of the sensitivity of each vessel in each condition to cumulative doses of ACh, the percent vasorelaxation response was plotted on the y-axis against the dose of ACh on the x-axis.

Non-fasted state serum glucose measurements were obtained from blood collected from the abdominal aorta prior to sacrifice using a One Touch Ultra 2 Blood Glucose Monitoring System Lifescan Canada, Ltd. Data are presented as means ± standard deviation. For analysis of the kinetics of the vasorelaxation response, a two-way analysis of variance ANOVA was used to determine statistical significance for the dependent variables.

For the dose—response sensitivity analysis, a two-way repeated measures ANOVA was used to determine statistical significance for the dependent variables. A Tukey post hoc analysis was used when significant differences were found for the main effects of each dependent variable.

The ANOVA was analyzed by SPSS Version No other between group differences were observed for body mass. The overall vasoconstriction responses were not significantly different between groups C S , 3. Serum glucose concentrations prior to sacrifice were lower in C S 6.

Figure 1 illustrates a typical vasorelaxation response for a carotid, aorta, and femoral artery with it corresponding kinetics fitting. The dynamic vasorelaxation response for each vessel in each condition as expressed by the TTSS is depicted in Figure 2.

As such, the TTSS is presented for those femoral vessels only. Figure 3 displays the TTSS of the vasorelaxation response as a function of serum glucose for the carotid and aorta arteries. FIGURE 1. Model fits for a representative carotid A , aorta B , and femoral C.

Open circles are the raw data and the red lines represent the linear baseline and mono-exponential ACh infusion starting at time 0 model fits.

FIGURE 2. Time-to-Steady-Stated of the vasorelaxation response for each vessel in each experimental conditions. FIGURE 3. Scatterplot displaying the time-to-steady-state of the vasorelaxation response as a function of serum glucose for the carotid and aorta arteries.

The vasorelaxation responses to cumulative doses of ACh for each vessel in each experimental condition are shown in Figure 4. FIGURE 4. vasorelaxation responses to cumulative doses of ACh. The EC 50 values for C S 5. The EC 50 values for C S 3. The EC 50 values for D S 1. This study examined the effects of 12 weeks of North American ginseng supplementation and exercise training on vascular responses in diabetic rats.

The main findings were that: 1 although the sensitivity and amplitude of the vascular response to ACh of the femoral artery was severely affected by diabetes, this disease did not negatively affect the sensitivity to ACh of the carotid or aorta artery; 2 North American ginseng supplementation restored the loss of sensitivity in the femoral artery, and exercise training did not add any further vascular protection; 3 control sedentary rats showed a depressed percent vascular responsiveness to ACh in the femoral and aorta arteries compared to control animals that were not exposed to 12 weeks of living within a limited space.

In agreement with previous observations from our group Murias et al. The main finding from this investigation was that the sensitivity to ACh of the femoral artery, supplying blood to the locomotor muscles in the hind limbs, was severely affected by diabetes as well as by sedentary behavior, whereas the carotid artery, supplying blood to the brain, showed no detrimental changes in sensitivity from diabetes or from living in an environment that limited movement.

This differential response might simply reflect functional characteristics of the vessels that make the femoral artery more likely to be affected by diabetes and lack of activity. This idea is supported by the fact that 6 out of 12 and 6 out of 14 femoral vessels showed a complete abolishment of the vasorelaxation response in the in C S and D S groups, respectively.

In these animals, the femoral artery was unable relax in response to cumulative doses of ACh. This lack of endothelium-dependent vasoactive response would profoundly limit the ability of the femoral artery to make adjustments to accommodate blood flow based on increments in metabolic requirements.

On the contrary, the carotid artery showed no negative signs related to diabetes or limited physical activity. This is not necessarily surprising as blood supply to the brain is tightly regulated Vavilala et al.

In other words, whereas the stimulus for maintaining endothelium-dependent responses will be fairly constant in the carotid artery independently of diabetes and the limitations for movement imposed by the living environment, the femoral artery will be more affected by the lower metabolic rates associated with the present model.

In agreement with this notion, greater endothelium-dependent vasorelaxation and blood flow have been shown in areas of the muscle that are most active due to increased ACh and e-NOS protein expression Laughlin and Roseguini, These data do not preclude that longer periods of diabetes or inactivity i.

Additionally, although conflictive data exists on this issue, it has to be acknowledged that data in humans have demonstrated a link between type I diabetes and carotid artery dysfunction Vouillarmet et al.

In relation to this, a connection between type I diabetes and cerebrovascular disease and stroke has to be acknowledged and, perhaps, certain lack of translation between animal and human data needs to be considered in this case. Nevertheless, the data from the present study show that, at least in this specific model and testing conditions, functional vasorelaxation responses are vessel-specific.

Importantly, ginseng supplementation resulted in the sensitivity to ACh being re-established in the femoral artery. Although data from the present study cannot determine the mechanisms that mediated this improved functional response, different factors affecting this response could be speculated upon.

For instance, it has been shown that Panax ginseng helps reverse vascular dysfunction induced by diabetes, and that the protective effects are likely explained by down-regulation of atherosclerosis-related genes and altered lipid metabolism, which contribute to re-establish normal endothelium functions Chan et al.

Additionally, different experimental studies have established that ginseng extract provide a direct vasodilatory effect on isolated blood vessels Karmazyn et al. Indeed, a recent review reported that ginsenosides play a role in stimulating NO production in several systems Lü et al. Another mechanism of action for improved vascular response with ginseng supplementation is related to a reduction in ROS, which are more predominant in diabetic populations Timimi et al.

In this regard, protective effects of ginsenosides have been shown in damaged endothelium from rabbits Gillis, Furthermore, other mechanisms such as blockade of calcium channels have also been implicated in the improved vasodilatory response Kwan et al.

Contrary to our hypothesis, exercise training did not add further improvements to vascular sensitivity compared to ginseng supplementation alone. Previous studies have shown the positive effects of exercise training on vascular responses Fuchsjager-Mayrl et al.

In fact, the use of a high intensity of endurance training was determined by a previous study showing that this but not lower intensities of endurance exercise resulted in better vascular adaptations Murias et al.

For example, this model of type I diabetes with high glucose concentrations would increase oxidative stress Ting et al. In addition to the sensitivity dose—response of the vessels to ACh, this study examined the dynamic adjustment of each artery kinetics response to a dose of 10 -4 M ACh.

Previously, we have demonstrated that diabetes resulted in a slower adjustment of the vasorelaxation response compared to control animals, as shown by a larger τ or TTSS value Murias et al.

Similarly, it was established that exercise training restored the dynamic adjustment of diabetic rats to what was observed in the control animals Murias et al.

Surprisingly, the responses in the present investigation did not agree with previous observations. Indeed, the dynamic adjustment of the vasorelaxation response was faster in all diabetic groups compared to the control groups both C and C S , and this change was mediated by a significant reduction in the TTSS in the carotid and aorta vessels under diabetes.

The reasons for this unexpected behavior are unclear, but they might be mediated by the high level of serum glucose concentration. In fact, glucose concentrations lower than 15 mM L -1 were associated with a wider range of dynamic adjustments in the carotid and the aorta, as described elsewhere Murias et al.

Previously, we have interpreted the faster dynamic adjustment in control or in exercise-trained compared to diabetic animals as a positive feature. However, in this case, this faster adjustment, which is even more pronounced in the aorta, is counterintuitive.

A previous study has shown enhanced endothelium-dependent vasodilation in the aorta in the early stages of an STZ mouse diabetic model, and attributed this improved response to enhanced production of prostaglandin I 2 and endothelium-derived hyperpolarizing factor Shen et al.

Another possibility to consider is the role of the glycocalyx in the observed responses. It has been shown that the glycocalyx, a dynamic layer that is important to vascular homeostasis, is affected by circulating blood glucose concentrations Van Teeffelen et al.

A thinner glycocalyx layer as a result of high glucose concentrations would have the opposite results. Nevertheless, although more studies are warranted to mechanistically explain these contradictory responses using different diabetes models, it is important to emphasize that interpretations should be made with caution when trying to extrapolate data from animal models to human responses when the conditions of the model do not closely resemble what is observed in humans i.

Another important finding from this study is the depressed vascular responsiveness to ACh observed in the femoral artery of what was defined as the control sedentary compared to the control group. The reason for the selection of the control sedentary group as presented in this investigation was to mimic similar conditions as those presented in the diabetic animals.

In that sense, it could be argued that this is the appropriate group against which vasorelaxation responses in the diabetic rats should be compared, as all animals were exposed to identical living conditions.

However, it could also be argued that the control sedentary group in this study does not represent the responses that would be observed in healthy animals that were not exposed to a sedentary lifestyle.

Under these circumstances, it would remain unclear what part of the detrimental effects in vasorelaxation responses are related to diabetes or to inactive lifestyle per se.

Let alone muscling through fod entire workout! There is! To find out more reasons you should ditch your Ginseng for endurance supplement Ginssng favor Glucose monitoring system ginseng, continue reading. Why ginseng? As you encounter a stressor e. running on the treadmillyour body responds by ramping up the production of hormones like adrenaline that enhance muscle performance and increase your ability to focus on the task at hand.

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3 thoughts on “Ginseng for endurance

  1. Entschuldigen Sie, dass ich Sie unterbreche, aber meiner Meinung nach ist dieses Thema schon nicht aktuell.

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