Beta-carotene and vitamin A -
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Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Do not refrigerate. Keep from freezing. Store the dietary supplement in a closed container at room temperature, away from heat, moisture, and direct light.
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Researchers think that may be because the total of all the nutrients you eat in a healthy, balanced diet gives more protection than just beta-carotene supplements alone. There is also some evidence that when smokers and people who are exposed to asbestos take beta-carotene supplements, their risk of lung cancer goes up.
For now, smokers should not take beta-carotene supplements. Studies suggest that high doses of beta-carotene may make people with a particular condition less sensitive to the sun.
People with erythropoietic protoporphyria, a rare genetic condition that causes painful sun sensitivity, as well as liver problems, are often treated with beta-carotene to reduce sun sensitivity. Under a doctor's care, the dose of beta-carotene is slowly adjusted over a period of weeks, and the person can have more exposure to sunlight.
A major clinical trial, the Age Related Eye Disease Study AREDS1 , found that people who had macular degeneration could slow its progression by taking zinc 80 mg , vitamin C mg , vitamin E mg , beta-carotene 15 mg , and copper 2 mg.
Age related macular degeneration is an eye disease that happens when the macula, the part of the retina that is responsible for central vision, starts to break down. Use this regimen only under a doctor's supervision.
In one study of middle-aged and older men, those who ate more foods with carotenoids, mainly beta-carotene and lycopene, were less likely to have metabolic syndrome.
Metabolic syndrome is a group of symptoms and risk factors that increase your chance of heart disease and diabetes. The men also had lower measures of body fat and triglycerides, a kind of blood fat.
People with oral leukoplakia have white lesions in their mouths or on their tongues. It is usually caused by years of smoking or drinking alcohol.
One study found that people with leukoplakia who took beta-carotene had fewer symptoms than those who took placebo. Because taking beta-carotene might put smokers at higher risk of lung cancer, however, you should not take beta-carotene for leukoplakia on your own.
Ask your doctor if it would be safe for you. People with scleroderma, a connective tissue disorder characterized by hardened skin, have low levels of beta-carotene in their blood.
That has caused some researchers to think beta-carotene supplements may be helpful for people with scleroderma. So far, however, research has not confirmed that theory. For now, it is best to get beta-carotene from foods in your diet and avoid supplements until more studies are done.
The richest sources of beta-carotene are yellow, orange, and green leafy fruits and vegetables such as carrots, spinach, lettuce, tomatoes, sweet potatoes, broccoli, cantaloupe, and winter squash.
In general, the more intense the color of the fruit or vegetable, the more beta-carotene it has. Beta-carotene supplements are available in both capsule and gel forms.
Beta-carotene is fat-soluble, so you should take it with meals containing at least 3 g of fat to ensure absorption. So far, studies have not confirmed that beta-carotene supplements by themselves help prevent cancer. Eating foods rich in beta-carotene, along with other antioxidants, including vitamins C and E, seems to protect against some kinds of cancer.
However, beta-carotene supplements may increase the risk of heart disease and cancer in people who smoke or drink heavily. Those people should not take beta-carotene, except under a doctor's supervision.
Beta-carotene reduces sun sensitivity for people with certain skin problems, but it does not protect against sunburn. While animal studies show that beta-carotene is not toxic to a fetus or a newborn, there is not enough information to know what levels are safe.
If you are pregnant or breastfeeding, take beta-carotene supplements only if your doctor tells you to. It is safe to get beta-carotene through the food you eat. Statins: Taking beta-carotene with selenium and vitamins E and C may make simvastatin Zocor and niacin less effective.
The same may be true of other statins, such as atorvastatin Lipitor. If you take statins to lower cholesterol, talk to your doctor before taking beta-carotene supplements.
Colestipol, a cholesterol-lowering medication similar to cholestyramin, may also reduce beta-carotene levels. Your doctor may monitor your levels of beta-carotene, but you do not usually need to take a supplement.
You may want to take a multivitamin if you take orlistat. If so, make sure you take it at least 2 hours before or after you take orlistat. Other: In addition to these medications, mineral oil used to treat constipation may lower blood levels of beta-carotene. Ongoing use of alcohol may interact with beta-carotene, increasing the risk of liver damage.
Bayerl Ch. Beta-carotene in dermatology: Does it help? Acta Dermatovenerol Alp Panonica Adriat. Bjelakovic G, Nikolova D,Gluud LL, Simonetti RG, Gluud C.
Mortality in randomized trials of antioxidant supplements for primary and secondary prevention: systematic review and meta-analysis. Bjelakovic G, Nikolova D, Simonetti RG, Gluud C. Antioxidant supplements for preventing gastrointestinal cancers.
Beta-carotene vtiamin is Betx-carotene precursor to vitamin A, an Beta-carotene and vitamin A vitamin at any age, Beta-carotene and vitamin A Beta-cwrotene cellular health Beta-ccarotene vision. It Protein for athletic endurance also a powerful antioxidant that may reduce the risk of cancer. Vitamin A is indispensable at every stage of life! It should be consumed daily in the form of active vitamin A retinolavailable only in animal products meat, fish, dairy, etc. It is the most powerful precursor to vitamin A, followed by alpha-carotene and beta-cryptoxanthinother carotenoids. It is time to think about yourself! β-Carotene Beta-carotene and vitamin A -carotene Organic holistic wellness an organicstrongly colored Beta-caroetne Beta-carotene and vitamin A abundant in fungi, [7] plants, and fruits. Bera-carotene is a member of the caroteneswhich Beta-carotnee terpenoids isoprenoidssynthesized biochemically from eight isoprene units and thus having 40 carbons. Dietary β-carotene is a pro vitamin A compound, converting in the body to retinol vitamin A. β-carotene is the most common carotenoid in plants. Isolation of β-carotene from fruits abundant in carotenoids is commonly done using column chromatography. It is industrially extracted from richer sources such as the algae Dunaliella salina.
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