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
1 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
What we couldn't verify
We did not visit this company on site. See the limits that apply to every listing.
- ISO/IEC 17025 accreditation is confirmed in the ANAB directory (certificate AT-1551, San Francisco, effective through 2027-06-29); for supplements, its scope of accreditation lists melatonin testing and pesticide and alkaloid testing of herbal products, and other supplement tests are not on that scope
- 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
- In October 2025 Anresco and NJ Labs announced a combined testing network, Anresco NJ Labs
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 →
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