Supplement 101

How to Read a Supplement Label

Reading a supplement label involves distinguishing between total weight, active ingredients, form, and context rather than relying on surface-level claims.

LabelsBasics

A supplement label is structured to be compliant, not necessarily informative.

Most labels present numbers.
What matters is how those numbers are constructed.

At a high level, reading a label comes down to four signals:

  • Total vs active content — distinguishing total weight (e.g. fish oil) from active components (e.g. EPA/DHA)
  • Form of ingredients — whether the compound is delivered in a meaningful or diluted form
  • Serving size framing — how dose is distributed and potentially inflated across multiple capsules
  • Context of inclusion — whether an ingredient is central to the formula or present in trace amounts

Labels are accurate by requirement.
They are not optimized for interpretation.

What is listed is not the same as what is delivered.
Structure determines meaning.