Supplement Cert Directory

BulkSupplements.com

Is BulkSupplements.com third-party tested?

Yes — as of 2026-09-21, BulkSupplements.com holds 59 third-party certifications across 2 independent testing programs: NSF (dietary supplement certification), NSF Certified for Sport. 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 ~270 substances banned by most sports organizations.)(Products are tested for label accuracy and the absence of contaminants.) · USP · Labdoor · BSCG

Certified categories: amino acids, ashwagandha, collagen, creatine, fish oil, magnesium, melatonin, protein, vitamin d, zinc

Last verified: 2026-09-21

SupplementSentry found certifications on 33 of BulkSupplements.com's products in our index.

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Certification breakdown