Health A–Z
Find Services & Information
Learn about drugs, vitamins, and herbs, and how the drugs you take compare with others. Check interactions between two or more drugs and get detailed information regarding potentially harmful drug int... Details >
Commercial Entity--Follow the Resource URL for More Information
Also available in: Spanish
Browse dietary supplements and herbal remedies to learn about their effectiveness, usual dosage, and drug interactions.... Details >
Iodine deficiency can lead to thyroid diseases and to mental retardation in infants and children whose mothers were iodine deficient during pregnancy. Read more about this important mineral.... Details >
Also available in: Spanish
Iodine is a mineral found in some foods. The body needs iodine to make thyroid hormones, which control the body's metabolism. The body also needs thyroid hormones for proper bone and brain development... Details >
Office of Dietary Supplements, National Institutes of Health
Too little iron or too much iron changes the way we grow, develop and function. Read more about the body's need for iron.... Details >
Also available in: Spanish
Multivitamin/mineral (MVM) supplements contain a combination of vitamins and minerals, and sometimes other ingredients as well. Find out the risks, benefits and side effects of taking multivitamin/min... Details >
Office of Dietary Supplements, National Institutes of Health
Download this iPhone app to keep track of the vitamins, minerals, herbs, and other products you take.... Details >
Office of Dietary Supplements, National Institutes of Health
Find research on dietary supplements, including vitamin, mineral, phytochemical, ergogenic, botanical, and herbal supplements in human nutrition and animal models. Learn about clinical trials, health ... Details >
Office of Dietary Supplements, National Institutes of Health
While there is a lot of evidence that dietary supplements help in preventing and treating nutrient deficiency, there is much less evidence about their usefulness in preventing or treating other diseas... Details >
National Center for Complementary and Alternative Medicine, National Institutes of Health
Also available in: Spanish
How do you find out whether "what's in the bottle" is safe to take and whether science has proven that the product does what it claims? This fact sheet provides some answers.... Details >