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Nutrition

Supplement Third-Party Testing

Supplement third-party testing verifies label accuracy and contaminants—look for sport certification marks, not just influencer endorsements.

Supplement third-party testing means independent labs verify label claims and screen contaminants—NSF Certified for Sport, Informed Sport, USP, and similar marks for creatine, caffeine, and beta-alanine products athletes ingest often. It does not prove efficacy, only identity and safety baselines.

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Common questions

  • Does third-party testing mean a supplement works?

    No—it checks ingredients and contaminants. Efficacy still comes from evidence tiers and your logged training response.

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