Contract Testing Laboratories of America
Contract Testing Laboratories of America (CTLA) is an ISO/IEC 17025:2017 accredited laboratory specializing in dietary supplement, food, and cosmetics testing. CTLA's accreditation is through Perry Johnson Laboratory Accreditation, Inc. (PJLA). The laboratory offers comprehensive testing services including microbiology, identity testing, heavy metals and mineral analysis (ICP), vitamin testing, stability studies, preservation efficacy testing, allergen testing, protein and amino acid analysis, weight variance testing, and surface ATP testing. All testing follows FDA requirements under 21 CFR Part 111 and the Dietary Supplement Health and Education Act (DSHEA). CTLA publishes extensive educational resources on dietary supplement testing requirements, certificates of analysis (COA), and FDA compliance.
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Directory Listing · Records Reviewed
Public records and independent sources have been reviewed.
What this means →- MOQMOQ (Minimum Order Quantity)The smallest production run a manufacturer will accept for an order.
- Not publicly disclosed
- LEAD TIMELead TimeThe time from order placement to finished product delivery.
- Not publicly disclosed
§1Editorial assessment
Contract Testing Laboratories of America (CTLA) is an ISO/IEC 17025:2017 accredited laboratory specializing in dietary supplement, food, and cosmetics testing. CTLA's accreditation is through Perry Johnson Laboratory Accreditation, Inc. (PJLA). The laboratory offers comprehensive testing services including microbiology, identity testing, heavy metals and mineral analysis (ICP), vitamin testing, stability studies, preservation efficacy testing, allergen testing, protein and amino acid analysis, weight variance testing, and surface ATP testing. All testing follows FDA requirements under 21 CFR Part 111 and the Dietary Supplement Health and Education Act (DSHEA). CTLA publishes extensive educational resources on dietary supplement testing requirements, certificates of analysis (COA), and FDA compliance.
§2Six-gate readout
Six gates we apply before any name appears in the directory. Each gate is auto-derived from public evidence on this profile.
§3Inspection history
§4Certifications
0 of 1 certification independently confirmed. What this means
§5Capability matrix
- PRODUCT TYPES
- Microbiology Testing · Identity Testing · Heavy Metal Analysis · Vitamin Testing · Stability Studies
- CAPABILITIES
- ISO/IEC 17025:2017 Accredited (PJLA) · Full Dietary Supplement Testing · Microbiology and Identity Testing · Heavy Metals (ICP Analysis) · Stability and Preservation Efficacy · Allergen and Protein Testing · FDA 21 CFR Part 111 Compliance
§6Sources
- CTLA - Official Website(2026-03-26)
- CTLA - ISO/IEC 17025:2017 Accreditation(2026-03-26)
- CTLA - Dietary Supplement Testing(2026-03-26)
Dietary supplement manufacturers must comply with 21 CFR Part 111 (Current Good Manufacturing Practice for dietary supplements). This includes requirements for personnel, facilities, equipment, production, laboratory operations, and record-keeping.
Disclosures
- No material connection exists between Inventory Ready and this company
For the gate-by-gate readout that produces this vendor's score, see our six-gate scoring readout. The connection map between Contract Testing Laboratories of America and other vendors, capabilities, and certifications is in the manufacturer atlas.
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