Is the Health Information on the NCCIH Website Reliable and How Should I Use It?

Yes—the health information on nccih.nih.gov is generally reliable as a starting point for learning about complementary and integrative health topics, because NCCIH is part of the U.S. National Institutes of Health (NIH), a federal research agency, and its materials are meant to summarize scientific evidence rather than sell products. It is not, however, a substitute for advice from your own health care provider, and it should be used to inform questions you bring to that provider—not to self-diagnose or self-treat.

What NCCIH is and why that matters for reliability

NCCIH stands for the National Center for Complementary and Integrative Health. According to the site, it is a center within NIH, and its stated role is supporting research on the "whole person." That institutional position shapes what you find there:

• It is a government research and information body, not a vendor. The site's purpose is to explain what research shows about complementary approaches, so the content is not organized around selling a supplement, device, or program.
• It is evidence-oriented. NCCIH describes its work in terms of research it funds and conducts, including areas such as mind and body practices, nutrition and natural products, whole person research, and pain.
• It is written for multiple audiences. The site separates health information for the general public ("Be an Informed Consumer") from material "For Health Care Professionals," so you can pick the level that fits you.

Because the source is a federal health agency, you can treat its pages as a credible summary of the current research picture. "Credible," though, does not mean "complete for your situation"—research summaries describe general findings, while your own health depends on your history, medications, and conditions.

How to use the site well

The site is built around a few entry points. Using them in a sensible order keeps you from getting lost.

1. Start with a health topic, not a product

Use Health Topics A-Z to find a page on the condition or practice you are curious about. This is the right first move when you have a question like "what does the evidence say about this herb for this problem?" rather than "where can I buy it?"

2. Read the evidence, not just the headline

NCCIH pages generally distinguish between what has been studied and what has not. Pay attention to:

• Whether a finding comes from small or preliminary studies versus more established research.
• Whether the page describes a practice as "promising," "not supported by evidence," or somewhere in between.
• The difference between "used for" (what people do) and "shown to work for" (what studies support). These are not the same claim.

3. Use the consumer-facing tools

The site highlights "Be an Informed Consumer" and "Know the Science." These are designed to help you judge health claims and understand research evidence yourself—useful when you encounter a supplement ad or a social media claim and want a framework for evaluating it.

4. Check the professional section if you need more depth

If you want more technical material—or you are preparing to discuss options with a clinician—the "For Health Care Professionals" section and resources like "Herbs at a Glance" provide more structured information.

What the site is not for

Being clear about the limits prevents misuse:

NCCIH presents information for reference. Decisions about whether to use a supplement, practice, or therapy—and whether it could interact with what you already take—belong with a qualified health care provider who knows your situation.

A practical example

Suppose you keep hearing that a particular herb helps with chronic pain. A reasonable path on the site:

1. Look up the herb or the pain topic through Health Topics A-Z.
2. Read what the page says about the state of the evidence—whether studies are preliminary, mixed, or more established.
3. Note any stated safety concerns or interactions mentioned.
4. Bring those points to your clinician as specific questions, rather than starting the herb on your own.

That sequence uses the site for what it does best—summarizing evidence—while leaving the personal decision where it belongs.

Bottom line

NCCIH's health information is trustworthy as an evidence-based reference from a federal NIH center, and it is especially useful for understanding what research does and does not support. Use it to learn and to prepare informed questions, use its consumer tools to sharpen your own judgment about health claims, and take the actual decisions to your health care provider.