Lief Labs
Lief Labs is a contract manufacturer in Valencia, California, producing powders, protein and stick packs with custom formulation. It has shipped more than 1 million units to Amazon and can ship directly to FBA warehouses. Its facility is NSF GMP-certified (NSF/ANSI 455-2) under the name Lief Organics, and the company hosts its NSF certificate on its own website. Ask about stick-pack capabilities and certificates of analysis.
What they make
Certifications
NSF certification is confirmed in NSF's public registry. Other certifications are as stated by the maker.
What we checked
- Independent certification: NSF GMP-certified in NSF's public registry.
- Lab testing: Maker says it provides certificates of analysis or third-party testing.
- Minimum order: Not published. Ask in your quote request.
- Facility address: Street address on record.
FDA recalls: none found under this company name in openFDA food and drug reports (checked 2026-11-01). That isn't proof of a clean history.
- Company website
- Lief Labs quality page
- NSF 455-2 GMP listing - Lief Organics Valencia
- NSF GMP certificate PDF
Last reviewed November 2026. How we check listings.
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