National Center for Complementary and Integrative Health (NCCIH)
NIH…Turning Discovery Into Health

Información en Español

Health Topics A-Z

Health Information


Featured Health Topics

Dietary Supplements

Woman looking at a pill bottle.

Information, resources, and safety warnings on dietary supplements.


Practitioner applies acupuncture needles to a patient's shoulder. © BananaStock

Information about acupuncture, including safety and effectiveness as well as tips on finding a qualified practitioner.


A woman practices yoga.

Basic information about yoga, including scientific research on effectiveness and safety.

Health Topics A–Z

Be an Informed Consumer

This section covers issues to consider as well as information about dietary and herbal supplements.

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 Complementary Health Practitioner

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

Understanding Health News

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

For Health Care Professionals

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


Video, image, and audio resources from NCCIH.

This page last modified January 29, 2015