General Information and Resources for Dietary Supplements

Provides analytically-derived estimates of ingredient levels in nationally representative samples of commonly reported dietary supplements.

Search online for manufacturers' complete label information for a selection of on-market and off-market dietary supplement products. Find product information, dietary supplement facts, label statements, and contact information.

Mission is to strengthen knowledge and understanding of dietary supplements by evaluating scientific information, stimulating and supporting research, disseminating research results, and educating the public.

​OPSS educates service members and retirees, their family members, leaders, healthcare providers, and DoD civilians about dietary supplements and gives them tools to be informed supplement users—or non-users.

• Dietary Supplements Classification System
• Can You Spot a Red Flag?
• Guidelines for Taking a Comprehensive Dietary Supplement History
• Stimulants Found in Dietary Supplements

Evidence-based summaries for health professionals and consumers on vitamins, minerals, herbs, and other ingredients.

This fact sheet provides information on weight-loss dietary supplements, including summaries of research on the safety and efficacy of several of the most commonly used ingredients in these products.

Browse dietary supplements and herbal remedies to learn about their effectiveness, usual dosage, and drug interactions.

A general overview of dietary supplements and their regulation by the CFSAN. Other resources on dietary supplements from CFSAN include:

• Dietary Supplements: What You Need to Know. Also available as a PDF in English (PDF|230 KB) and Spanish (PDF|184 KB).
• Label Claims for Conventional Foods and Dietary Supplements
• Q&A on Dietary Supplements
• Responses to Questions About Codex and Dietary Supplements

Learn about how food, drugs and supplements interact. These Tips for Talking to Your Doctor can help you discuss supplements with your doctor.