Simpson Labs
Simpson Labs is a contract manufacturer of supplements based in Valencia, California, USA. Direct manufacturer. Formats include Capsules, Powders, Probiotics. MOQ: Not published — request quote.
About Simpson Labs
US-based contract maker offering capsules, powders, probiotics, collagen, stick packs. Claims GMP, NSF on its site (reported, no registry doc found yet).
Directory assessment: Simpson Labs is listed as a contract manufacturer in the supplement supply chain, serving North America markets from Valencia, California, USA. As a direct manufacturer, this maker controls its own production from blending through encapsulation and quality-control release testing. This profile lists 2 sources for reference. Moderate evidence — meaningful evidence exists, but some details remain unverified. Standard due diligence still applies.
Evidence behind this listing
We grade the paper trail behind the record, not the facility. A well-run maker with thin public documentation scores lower than an average maker that publishes everything. Last checked September 2026.
- Independent certification proof: Not yet found in a registry or maker-hosted document.
- Additional certifications: 2 cert tags on file.
- MOQ with numbers: Quote path only — no numbers published.
- Street address: City-level only — no street.
- 2+ proof links: 2 source link(s) saved.
- Formats + services listed: Formats and services catalogued.
- Lab-test / COA evidence: No COA / lab-test evidence on file.
To strengthen this listing: Independent certification proof, MOQ with numbers, Street address, Lab-test / COA evidence.