Nutrition and supplement information you can trust

Examine analyzes and summarizes research to determine which supplements and non-pharmaceutical interventions work.
Learn how to use Examine.

Examine Pro is here! Instantly check safety, stay on top of the latest research, and deliver trusted guidance to patients and clients.Try for free

Explore the evidence

Supplement Navigator

Search by condition to find supplement efficacy, safety, and dosage information.

Safety Checker Tool

Check supplement safety by reviewing supplement-drug interactions, side effects, population precautions, pregnancy/lactation risks, and more.

Open Safety Checker

Unlock Examine content for free

Learn more about how Examine's evidence-based information helps you.Explore Membership

Examine Database

Get efficacy data for supplements, health conditions, and outcomes.

Explore Database

Research Feed

Read summaries of the latest studies across 25 categories, or pick the categories that matter most to you.

View Research Feed

Supplement Guides

Step-by-step directions on what supplements to take, how much, and when for specific health goals.

Browse Guides

ExamineAI

Meet ExamineAI! Our chatbot exclusively uses material already published on Examine to answer your questions. Everything we publish is still human-made from start to finish, but now it’s more accessible than ever.

Try out ExamineAI

About Examine

Examine is the largest database of nutrition and supplement research on the internet.


Founded in early 2011, Examine's mission is to analyze the full body of evidence to help you be healthier. As an educational organization, we are not affiliated with any supplement or food company, and our research team is contractually obligated to have no conflicts of interest.