How to read a supplement label
A practical starting point for serving sizes, ingredient lists, amounts, and the claims around them.
Read guideThe research desk
Look closer at the evidence.
Research can inform a product review, but its relevance depends on the question, the formulation, and the quality of what is available. This desk collects our introductory guides and approach.
Reading list
Guides & perspective
What makes a useful supplement review?
The questions we think a review should answer before it reaches a verdict.
Read guideOur standards
Read our process How we assess information
We separate product claims from evidence, identify the limits of what we can verify, and make our editorial and commercial policies accessible.