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NIH Office of Dietary Supplements
A couple holding a dietary supplement pill

Making Decisions

Reliable information about the use, effectiveness, safety, and quality of dietary supplements. Includes fact sheets for health professionals and consumers, answers to common questions, and tips to help you choose and use dietary supplements wisely. Several fact sheets and other resources are also available in Spanish. (Información en español)

Dietary Supplement Fact Sheets

Evidence-based summaries for health professionals and consumers on specific vitamins, minerals, herbs, and other dietary supplements. Fact sheets cover health effects, safety, recommended amounts, interactions with medicines, and other topics. More »

Frequently Asked Questions

Answers to common questions about the use, quality, and regulation of dietary supplements. More »

Dietary Supplements: What You Need to Know

Key points about dietary supplements, including their effectiveness, safety, and quality. Provides resources with additional information on dietary supplements and tips for using dietary supplements wisely. More »

My Dietary Supplements (MyDS) Mobile App

ODS has created a free mobile app for consumers called My Dietary Supplements or "MyDS" that allows you to have a convenient, mobile record of the dietary supplements you're taking. More »

The Savvy Supplement User (FDA)

Information from the U.S. Food and Drug Administration (FDA) to help you decide what information on dietary supplements is reliable and what isn't. More »

Tips for Older Supplement Users (FDA)

Tips from the U.S. Food and Drug Administration (FDA) to help older individuals use dietary supplements wisely. Includes information on talking with your health care provider, dietary supplement risks, and how to spot false claims and report adverse reactions. More »

Human Performance Resource Center: Dietary Supplements (DoD)external link icon

Information from the Department of Defense (DoD) on making informed decisions about dietary supplement use. The site is directed to service members, healthcare providers, and civilians. A related Web site, Operation Supplement Safetyexternal link icon, helps you determine whether a supplement is relatively safe or not. More »external link icon

How To Evaluate Health Information on the Internet: Questions and Answers

Tips to help you determine whether the health information you find on the Internet is reliable. More »

Información en español

Varias hojas informativas sobre ingredientes específicos de los suplementos dietéticos y otros recursos están disponibles en español. Más »