Vitamins and Supplements Medical Reference

Kava kava has been used in traditional Pacific Island medicine and ceremonies for hundreds of years. WebMD explains what conditions it treats, and whether it's safe.

ZMA is a supplement that includes zinc, magnesium aspartate, and vitamin B6. WebMD discusses what the research shows about ZMA health claims.

Garcinia cambogia, a tropical fruit, is a popular weight-loss supplement, especially with people who have diabetes. Is it safe and effective, or is it a diet pill scam?

WebMD looks at the uses and risks of the supplement chlorophyll.

WebMD looks at the uses, risks, and effectiveness of the supplement slippery elm, which some people use to treat cold symptoms.

WebMD looks at the uses and risks of the supplement tyrosine, which some people use for the genetic disorder called PKU.

WebMD explains the uses and risks of the supplement senna, which some people take to help treat constipation.

WebMD looks at the uses and risks of the supplement saffron.

WebMD describes the uses and risks of the supplement theanine, which is found naturally in tea leaves, especially green tea.

WebMD describes what the latest research shows about using a supplement called glucosamine to treat painful joints.

WebMD explains the uses and risks of the supplement red raspberry.

WebMD explains the uses and risks of the supplement pycnogenol.

WebMD explains the uses and risks of iodine supplements.

WebMD explains the uses and risks of the supplement nattokinase.

WebMD explains the uses and risks of the supplement prickly pear cactus.

WebMD explains the uses and risks of the supplement N-acetyl cysteine (NAC).

Ginger is a root with purported healing properties and health benefits, but overuse comes with risks. Learn more about ginger supplements.

WebMD explains the uses and risks of the supplement gelatin.

WebMD explains the uses and risks of green coffee, a supplement touted for weight loss.

WebMD explains the uses and risks of the supplement gymnema.

WebMD explains the uses and risks of camphor, which is used in topical products to ease cough and relieve pain.

WebMD explains the uses and risks of the supplement quercetin.

WebMD explains the uses and risks of witch hazel.

WebMD explains the uses of the supplement phosphatidylserine, which has shown some promise as a brain booster.

WebMD explains the uses and risks of non-prescription forms of progesterone.