Dietary Supplements

What dietary supplements help athletes perform better? Should you take sports supplements? Answer these questions and more using our resources.

Get information on popular types of herbal supplements, including what they are used for, if they work, and what to avoid.

Learn about the supplement label, ingredients, and health claims. 

Find information on the vitamins and minerals the body needs to work best, and tips on supplement safety. 

Find evidence-based information about dietary supplements. This collection of fact sheets presents information about dietary supplements and their ingredients. These include vitamins, minerals, herbs and botanicals, probiotics, and more.

• Background Information: Dietary Supplements
• Dietary Supplement Fact Sheets

Read answers to frequently asked questions on dietary supplements.

Discover what’s known about the safety and effectiveness of ingredients commonly used in weight-loss dietary supplement products.

View consumer fact sheets, infographics, and videos to help with understanding dietary supplements, their safety, and the importance of discussing them with your doctor.

Find research and clinical trials [BT removed comma here] to help understand dietary and herbal supplements.

Find resources for over 100 herbs and supplements organized alphabetically, including apple cider vinegar, blond psyllium, collagen peptides, and more. 

 Use this interactive tool to better understand how medications and supplements may interact in harmful ways, and why it's important to speak with healthcare professionals about supplements. 

Read about the effects of dietary supplement ingredients, and which ones are prohibited in sports and as servicemembers.