NSF Certified for Sport

Issued by NSF International

Certification

Audit Scope

Product-level testing for banned substances (WADA list), label claim verification, manufacturing facility audit, ongoing lot testing

What It Proves

Specific products have been tested for 280+ substances banned by major athletic organizations. Includes label claim verification and contaminant screening.

What It Does Not Prove

Does NOT certify the entire product line; only specific SKUs. Does NOT guarantee zero contamination risk (testing has detection limits). The facility may hold NSF for Sport while most products are not certified.

How Vendors Report It

You may see this listed as:

NSF GMP for SportNSF Certified for SportNSF for Sport

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Vendors Listing This Certification

Claims are at various verification stages. See individual profiles for assessment details.

Best Formulations (Sirio Americas)

City of Industry, California

Captek Softgel International

Cerritos, California

AIDP

City of Industry, California

GMP Laboratories of America

Anaheim, California

Kelker Pharma

Riverside, California

Willings Nutraceutical

Cherry Hill, New Jersey

Nufacturing

Brunswick, OH

Arizona Nutritional Supplements

Chandler, AZ

Natural Alternatives International

Carlsbad, CA

Related Glossary Concepts

Banned Substance Testing

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