National Center for Complementary and Alternative Medicine (NCCAM)

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Health Information

What Is CAM?

Complementary and alternative medicine (CAM) is a group of diverse medical and health care systems, practices, and products that are not generally considered part of conventional medicine. Learn about the basics about complementary health practices. Find statistics about usage.

Be an Informed Consumer

What you should know before using CAM. This section covers issues to consider as well as information about dietary and herbal supplements.

For Health Care Professionals

Online resources and information about CAM topics for health care professionals. Includes evidence-based reviews, clinical practice guidelines, and more.

Safe Use of Complementary Health Products and Practices

It is important to consider safety before using complementary health products and practices.

How To Find a CAM Practitioner

NCCAM does not provide referrals or care for the general public. These resources, however, may help you find a CAM practitioner.


Video, image, and audio resources from NCCAM.

Understanding Health News

Learn how to read news stories about complementary health approaches so that you can make better decisions.