Supplement 101
What Counts as a Drug Claim
A drug claim is any statement that suggests a product can diagnose, treat, cure, or prevent disease, which places it under drug regulatory standards.
A product is not defined as a drug by what it is.
It is defined by what is claimed about it.
In the supplement category, this distinction determines how a product is regulated.
At a high level, a claim becomes a drug claim when it suggests:
- Diagnosis — identifying or detecting a disease or condition
- Treatment or cure — reducing, reversing, or eliminating a disease
- Prevention — lowering the risk of developing a specific disease
These statements place a product into the drug category, regardless of its form or ingredients.
By contrast, supplements are limited to structure/function claims —
describing how a product supports normal physiological processes.
Examples illustrate the boundary:
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“Supports immune function” → allowed
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“Prevents viral infection” → drug claim
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“Helps maintain healthy cholesterol levels” → allowed
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“Treats high cholesterol” → drug claim
The difference is often a single word.
Regulatory enforcement follows this distinction:
- The FDA defines category boundaries based on claims
- The FTC evaluates whether claims are truthful and substantiated
A compliant claim does not guarantee effectiveness.
A prohibited claim does not necessarily mean the mechanism is impossible.
Claims define classification.
They do not define reality.
See Also
Dietary supplements and drugs are regulated differently, with supplements positioned as food-like products that are not evaluated for effectiveness before market.
The FDA (U.S. Food and Drug Administration) is the primary federal agency responsible for regulating the safety, labeling, and manufacturing of food, drugs, and dietary supplements in the United States.
The FTC (Federal Trade Commission) is the U.S. agency responsible for regulating advertising practices, ensuring that marketing claims for supplements are truthful, substantiated, and not misleading.