SK Laboratories
Contract manufacturer of protein powders, pre-workout formulas and capsules in a solar-powered facility.
- MOQ
- Not publicly disclosed
- LEAD TIME
- Not publicly disclosed
Overview
SK Laboratories is a contract manufacturer of dietary supplements operating a solar-powered facility at 5420 East La Palma Avenue in Anaheim, California. Founded in 1992, the company specializes in protein powders, pre-workout formulas, weight-management formulations, two-piece capsules, tablets, and powdered supplements. The company's NSF/ANSI 455-2 Good Manufacturing Practices certification was registry-confirmed against the NSF public directory on 2026-06-11 (the January 2026 A-rating detail remains company-reported); it is listed in the NPA GMP Certified Companies public directory (listing checked 2026-06-11); its QAI organic certification appears in the USDA Organic Integrity Database with Certified status; and it self-reports NSF cGMP, NSF for Sport, and UL cGMP audits. The facility is FDA-registered and states California Proposition 65 compliance. The company markets itself across roughly 51 to 200 employees.
Certifications
2 of 7 certifications independently confirmed. What this means
Capabilities
- PRODUCT TYPES
- Capsules · Tablets · Powders
- CAPABILITIES
- Custom formulas · Private label or white label
- DOSAGE FORMS
- capsules · tablets · powders
Sources
What we couldn't verify
We did not visit this company on site. See the limits that apply to every listing.
- NSF/ANSI 455-2 registry-confirmed 2026-06-11 against the NSF public directory (the A-rating detail remains press-release-sourced); USDA Organic registry-confirmed 2026-06-11 via USDA OID (certifier QAI)
- NSF Certified for Sport claim refers to facility-level certification but specific product listings on the NSF for Sport directory were not enumerated
- Minimum order quantities and lead times not surfaced from public materials
Dietary supplement manufacturers must comply with 21 CFR Part 111 (cGMP). What Part 111 requires
The connection map between SK Laboratories and other vendors, capabilities, and certifications is in the manufacturer atlas.
Enforcement screening: included in Inventory Ready's most recent completed pass against FDA's published recall datasets (2026-07-09). Method and limits →
Our Evaluation Method
A full assessment applies six checks. Source-Checked listings get a lighter review.
- Independent confirmation: Claims backed by documentation, not marketing copy
- How recent the data is: Information reviewed and dated within the last 12 months
- Sources we traced: Sources cited for every key claim
- Inconsistencies flagged: Where a company's claims and public records disagree, we say so
- What we disclose: Material connections stated directly on affected listings
- What we don't know: When we can't assess something, we say so explicitly
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