Supplement Cert Directory

Timeline

Is Timeline third-party tested?

Yes — as of 2026-09-21, Timeline holds 13 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: protein

Last verified: 2026-09-21

SupplementSentry found certifications on 11 of Timeline's products in our index.

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Certification breakdown