NSF Certified for Sport
Issued by NSF International
CertificationAudit 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:
Vendors Listing This Certification
Claims are at various verification stages. See individual profiles for assessment details.
Related Glossary Concepts
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