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Supplements like creatine should have a third party sports certification like NSF for Sport, which ensures the product contains no banned substances.

If you’re not getting enough of this nutrient from sun exposure, vitamin D supplements can help. Check out our picks. If you’ve discovered you have a deficiency in vitamin D, you’re not alone.

Nutritional supplements are often marketed as promoting brain health. These include omega-3 fatty acids, B vitamins, choline, ginkgo, ashwagandha, and caffeine. Some are thought to help with brain ...

Apples, onions, buckwheat, and many citrus fruits are rich sources of rutin. This bioflavonoid is also available as a supplement in tablet and capsule forms. It's generally safe to consume through ...

The US' top supplement expert doesn't typically take any himself. Stefan Pasiakos is the director of the Office of Dietary Supplements at the National Institutes of Health, a federal body that ...

Many people with arthritis -- especially osteoarthritis -- use supplements in their diet to ease the pain of arthritis. Glucosamine and chondroitin are the most well-known. Methyl sulfonylmethane ...

It's important to include some of the many fiber-rich foods like lentils and chia seeds in your diet, but fiber supplements are a quick and easy way to increase your fiber intake and keep your ...

You can read on for our picks of the best magnesium supplements, plus learn what to look for to meet your specific needs. We chose Thorne as the best magnesium supplement for sleep because of its ...