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Compare contract manufacturers and private-label makers by certifications, formats, MOQ and location. Every profile carries documented quality signals.
New makers and certification updates, once a week. No spam.
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A supplement maker can be a contract manufacturer building your custom formula, a private-label maker offering ready-to-brand stock formulas, or a full-service partner handling formulation through fulfillment. Each listing shows verification status plus an evidence level based on publicly verifiable proof, never a judgment of the maker itself.
Before ordering, verify GMP/NSF certifications in public registries, confirm MOQs, and request batch COAs. For the full walkthrough, see how to find a supplement manufacturer and low MOQ supplement manufacturers. Starting out? Read how to start a supplement brand, supplement label requirements and third-party testing and Amazon's rules.
Private label puts your brand on a stock formula: faster, lower MOQs, less differentiation. Contract manufacturing builds your unique formula: slower, higher MOQs, fully yours. Full 5-step checklist.
It grades the paper trail behind the listing, not the facility: registry listings, maker-hosted documents, and profile completeness. Strong means substantial, credible evidence supports the listing; Moderate means meaningful evidence exists but some details remain unverified; Limited means public evidence is insufficient. Verification status (Registry-listed / Documented / Reported / Unverified) is shown separately. Read the full methodology.
Compliant is a self-claim. Certified means a third party (NSF, NPA, UL) audited the facility. Always choose certified — and verify in the public directory.
Use Request a Quote with your format, MOQ and timeline, and we will match you with relevant makers.
Claims are separated from proof on every page — see how we grade evidence.