MedlinePlus

Find the latest news, plus links to overviews, clinical trials and research related to dietary antioxidants. 

Find information and resources for understanding herbal medicine. 

Browse a list of dietary supplements and herbal remedies to learn about their effectiveness, safety, and drug interactions. 

Provides information on physical activity and the body's use of calories as well as illustrations and definitions. Also in Spanish.

Find information on osteoporosis, including diagnosis, diet changes, and more.

Read general information about food additives, including functions and side effects.

Find information about breastfeeding recommendations, common concerns, and more, including Overcoming Breastfeeding Problems. 

Learn about anabolic steroids, including what they are, use among athletes, interactions, safety concerns, and more. 

Learn about caffeine, including what it is, how it effects users, how much is too much and why it can cause dehydration, especially in athletes. 

Learn about creatine, including what it is, use among athletes, interactions, safety concerns, and more.