Supplement Cert Directory

GTI USA, LLC

Is GTI USA, LLC third-party tested?

Yes — as of 2026-09-21, GTI USA, LLC holds 13 third-party certifications across 1 independent testing program: NSF (dietary supplement certification). Every certification below links to the certifying body's official listing so you can verify it at the source.

Registries checked (as of 2026-09-21): Informed · NSF (Products are tested for label accuracy and the absence of contaminants.) · USP · Labdoor · BSCG

Certified categories: protein

Last verified: 2026-09-21

SupplementSentry found certifications on 13 of GTI USA, LLC's products in our index.

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Certification breakdown