Anresco Laboratories
Family-owned analytical testing company offering identity, potency, contaminant and microbiological testing.
- LEAD TIME
- Not publicly disclosed
Overview
Anresco Laboratories is a family-owned analytical testing company founded in 1943 in San Francisco, California, with over 82 years of experience. The company is ISO/IEC 17025:2017 accredited and recognized by the FDA. Anresco operates its headquarters and primary laboratory in San Francisco with branch offices in Los Angeles, New York, and Fort Lauderdale. In a recent strategic move, Anresco united with NJ Labs to form a nationwide testing network, expanding their geographic coverage. Their testing capabilities span food safety, cannabis compliance, and dietary supplement validation, including identity, potency, contaminant, and microbiological testing. Anresco was also an exhibitor at SupplySide Global 2025.
Certifications
0 of 1 certification independently confirmed. What this means
Capabilities
- PRODUCT TYPES
- Identity Testing · Potency Testing · Contaminant Screening · Microbiology Testing · Nutritional Labeling
- CAPABILITIES
- Identity testing · Potency or label-claim testing · Heavy metals, pesticides, allergens or other contaminants · Microbiology testing
Sources
- Anresco - Dietary Supplement Testing(2026-03-26)
- Anresco - About Us(2026-03-26)
- Nutrition Industry Executive - Anresco + NJ Labs Nationwide Network(2026-03-26)
What we couldn't verify
We did not visit this company on site. See the limits that apply to every listing.
- ISO 17025 accreditation is self-reported; specific accreditation body not specified on Anresco's own website. Anresco is FDA recognized and CA ELAP certified (CA ELAP is administered through PJLA), suggesting a likely PJLA accreditation pathway, but no specific cert number was directly retrievable from accreditation body directories via public search as of audit date 2026-04-06.
- Cannabis testing is a significant business line alongside supplements. Capacity allocation not disclosed
- Amazon TIC status not assessed (Amazon publishes its approved-provider roster only inside Seller Central, which we cannot read)
Dietary supplement manufacturers must comply with 21 CFR Part 111 (cGMP). What Part 111 requires
Disclosures
- Anresco recently united with NJ Labs to form a nationwide testing network
The connection map between Anresco 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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