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Antioxidants - What You Need To Know

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Cocoa powder can also be incorporated into savory recipes, like mole and chili, and countless healthy treats, from lightly sweetened chocolate hummus to oat milk-based hot cocoa, and date-based fudge. Cruciferous vegetables, which include cabbage, broccoli, cauliflower, kale , and Brussels sprouts, are rich in antioxidants, including various carotenoids beta-carotene, lutein, and zeaxanthin , flavonoids , anthocyanins, and terpenes.

Consuming these vegetables is strongly linked to protecting against cancer, and slowing cancer growth. Cruciferous vegetables are low in calories and rich in fiber, vitamins, and minerals.

One cup of raw broccoli contains 30 calories, 2. Whip kale into smoothies or use it as a salad base. Transform shredded cabbage or broccoli or shaved Brussels sprouts into slaw. Enjoy sides of cauliflower rice. Or sautéed, grilled, or oven roasted broccoli, cauliflower, or Brussels sprouts.

You can also incorporate these veggies into stir fries, soups, and stews. Catechins, the main antioxidants in green tea , are known to be preventative against a number of cancers, including lung, breast, esophageal, stomach, liver, pancreatic, and prostate cancer.

A research review concluded that green tea, which also contains polyphenol and flavonoid antioxidants, has anti-inflammatory and anti-diabetic effects.

In addition, green tea supports immune function and protects brain health. Green tea may also provide small amounts of minerals, including copper, manganese, iron, zinc, magnesium, calcium, and potassium. However, the amounts vary depending on where the tea was grown.

In addition to sipping green tea hot or iced, the beverage can be used to steam vegetables or whole grain rice, or as a liquid in smoothies, overnight oats, soups, and sauces.

Mushrooms contain an array of antioxidants, which have been shown to fend off aging and reduce chronic disease risk.

Mushrooms are also low in calories. One cup of whole white mushrooms provides 21 calories and one whole portabella mushrooms contains just Mushrooms are also the only non-animal source of naturally occurring vitamin D , particularly when exposed to ultraviolet UV light. Adequate vitamin D is important for bone health and muscle function and may protect against some cancers, lung diseases in children, heart and brain diseases, and all types of diabetes.

Blend mushrooms into smoothies or add them to tofu , chickpea, or egg scrambles, salads, soups, stir fries, curries, tacos, pasta dishes, and more.

Mushrooms can even be incorporated into baked goods, like brownies, cupcakes, and rice pudding. All nuts contain powerful antioxidants called polyphenols.

Walnuts, pistachios, and pecans are specially high in these antioxidants per serving. The antioxidants in nuts help reduce inflammation and may play a role in bone and brain health.

A research review concluded that the increase in blood antioxidant levels from antioxidant-rich plant foods, including nuts, is tied to a reduced risk of all causes of death, including heart disease and cancer.

Nuts also provide plant protein, healthful fats, fiber, vitamins, and minerals. Nuts and nut butters can be incorporated into a range of dishes as an ingredient or garnish. Add nuts to smoothies, oatmeal or overnight oats, energy balls, salads, cooked veggies, stir fries, and slaw.

You can season nut butter with garlic, ginger, and chili pepper to make a savory sauce for steamed veggies and tofu. You can also scoop up nut butter with raw veggies or fresh fruit or layer it with melted dark chocolate for a nutritious treat.

Extra virgin olive oil EVOO is the type of olive oil that contains the highest levels of polyphenols, the antioxidants known to reduce inflammation, slow the progression of cancer, heart and brain diseases, and reduce overall death risk.

Polyphenols found in EVOO have also been shown to fend off aging, type 2 diabetes, and metabolic syndrome. The healthy fats in EVOO also help the body absorb the fat-soluble vitamins, A, D, E, and K, which play integral roles in vision, bone health, immune function, and blood clotting. EVOO can be used in a variety of ways.

Enjoy EVOO in salad dressings, slaws, and cool vegetable dishes like salad. Potatoes are bursting with antioxidants. Antioxidants in potatoes include carotenoids, flavonols, anthocyanins, and vitamins C and E.

Baked potatoes can be loaded with healthy toppings, like steamed or sautéed veggies paired with hummus, olive tapenade, guacamole, pesto, tomato sauce, or seasoned tahini. For an antioxidant-rich side dish, toss cooked, chilled potatoes with mustard, EVOO, and herbs. Pulses, which include beans, lentils, peas, and chickpeas , are high in antioxidants, including polyphenols and flavonoids.

These antioxidants have anti-inflammatory, anti-tumor, and anti-allergic properties. Pulses are also rich in protein, fiber, and minerals. Pulses are incredibly versatile. You can use chickpeas in a breakfast scramble or hummus, or oven-roast them and season them for a filling snack.

Tomatoes are rich in an antioxidant called lycopene. This compound, which gives tomatoes their color, has also been shown to reduce inflammation, protect heart health, prevent artery hardening, and reduce blood pressure. Antioxidant-rich tomatoes have also been shown to protect brain health, reduce the risk of cancer and bowel diseases, and improve skin health, exercise recovery, and immune response.

Cooked tomatoes are higher in lycopene versus raw tomatoes. You can consume tomatoes in a scramble or omelet at breakfast. Toss pastas with tomato sauce or roast tomatoes in the over for a delicious side dish.

National Center for Complementary and Integrative Health. Antioxidants: In Depth. Xu DP, Li Y, Zhou T, Zhou Y, et al. Natural Antioxidants in Foods and Medicinal Plants: Extraction, Assessment and Resources. Int J Mol Sci. Hyson DA. A comprehensive review of apples and apple components and their relationship to human health.

Adv Nutr. Published online Sep 6. doi: Oyenihi AB, Belay ZA, Mditshwa A, Caleb OJ. J Food Sci. Published online May 3. Wang L, Tao L, Hoa L, Stanley TH, et al. A moderate-fat diet with one avocado per day increases plasma antioxidants and decreases the oxidation of small, dense LDL in adults with overweight and obesity: a randomized controlled trial.

J Nutr. Published online Oct Food Data Central. Avocados, raw, California. Miller K, Feucht W, Schmid M. Bioactive compounds of strawberry and blueberry and their potential health effects based on human intervention studies: A brief overview.

Published online Jul 2. Basu A, Schell J, Scofield RH. Dietary fruits and arthritis. Food Funct. Berries, NFS. Here are 7 honey benefits, all backed by science. Discover which diet is best for managing your diabetes.

A Quiz for Teens Are You a Workaholic? How Well Do You Sleep? Health Conditions Discover Plan Connect. Nutrition Evidence Based Antioxidants Explained in Simple Terms. By Atli Arnarson BSc, PhD on July 12, What they are Free radicals Food sources Antioxidant types Supplements Bottom line Antioxidants are molecules that can help your body fight off harmful free radicals, which have been linked to health conditions like diabetes and cancer.

What are antioxidants? How free radicals function. Antioxidants in foods. Types of dietary antioxidants. Should you take antioxidant supplements? The bottom line. How we reviewed this article: History.

Jul 12, Written By Atli Arnarson BSc, PhD. Share this article. Read this next. Coffee and Antioxidants: Everything You Need to Know. By Adda Bjarnadottir, MS, RDN Ice. Should You Take Antioxidant Supplements?

By Gavin Van De Walle, MS, RD. Do PQQ Supplements Have Health Benefits? By Ansley Hill, RD, LD. By Alina Petre, MS, RD NL. Everything to Know About the Health Benefits of Honey. By SaVanna Shoemaker, MS, RDN, LD. READ MORE. Pecans are a type of nut native to North America. They are a good source of healthy fats and minerals, plus contain a high amount of antioxidants.

In addition, pecans can help raise antioxidant levels in the blood and may help reduce cholesterol, which is a risk factor for heart disease.

That said, although pecans are a great source of healthy fats , they are also high in calories. Learn about the health benefits of pecans. Although they are low in calories, blueberries are packed with nutrients and antioxidants.

Research from test-tube and animal studies has shown that the antioxidants in blueberries may delay aging-related decline in brain function by neutralizing harmful free radicals, reducing inflammation, and altering the expression of certain genes. Additionally, the antioxidants in blueberries , especially anthocyanins, have been shown to reduce risk factors for heart disease, and lower both LDL cholesterol levels and blood pressure.

Learn about the health benefits of blueberries. Strawberries are sweet, versatile, and rich in vitamin C. They also contain a lot of the antioxidant anthocyanin , which gives them their red color. Research has shown that anthocyanins may help reduce the risk of heart disease by reducing levels of LDL bad cholesterol and raising HDL good cholesterol.

Learn about the health benefits of strawberries. Artichokes are a great source of dietary fiber, minerals, and antioxidants. They are especially rich in an antioxidant known as chlorogenic acid, which may help reduce the risk of certain cancers, type 2 diabetes, and heart disease.

That said, the antioxidant content of artichokes can vary depending on how they are prepared. Learn about the health benefits of artichokes.

Goji berries are often marketed as a superfood because they are rich in vitamins and minerals. Goji berries also contain unique antioxidants known as Lycium barbarum polysaccharides, which have been linked to a reduced risk of heart disease and cancer. Moreover, there is limited research on the effects of goji berries on humans.

Though these support their health benefits, more human-based research is needed. Learn about the health benefits of goji berries. Raspberries are a great source of dietary fiber, vitamin C, and manganese. A review of five studies also concluded that the anti-inflammatory and antioxidant properties of black raspberries may slow down and suppress the effects of a variety of cancers.

Plus, the antioxidants in raspberries, especially anthocyanins, may reduce inflammation and oxidative stress. This may reduce the chance of developing heart disease. That said, most of the evidence for the health benefits of raspberries is from test-tube studies, so more human-focused research is needed.

Learn about the health benefits of raspberries. Kale is one of the most nutritious greens on the planet and is rich in calcium, and vitamins A, K, and C. This is because red varieties of kale contain more anthocyanin antioxidants as well as several other antioxidants that give them their vibrant color.

Learn about the health benefits of kale. Also known as purple cabbage, red cabbage is rich in vitamins C, K, and A, and has a high antioxidant content. It, too, contains anthocyanins, which give it its color and may help reduce inflammation, protect against heart disease, and reduce the risk of certain cancers.

That said, the volume of antioxidants in red cabbage varies depending on how you cook it. Learn about the health benefits of red cabbage. Beans are a diverse group of legumes that are inexpensive and healthy.

They are also incredibly high in fiber, which can help keep your bowel movements regular. Beans are also one of the best vegetable sources of antioxidants, containing a particular antioxidant called kaempferol, which may help with things like reducing chronic inflammation and suppressing cancer growth.

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