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Directory · reviewed 11 November 2026

Compare peptide testing laboratories on the same fields

Seven laboratories, one outline, and a source list on every profile. There is no score, no star rating, and no paid order. If a fact was not on the laboratory’s own pages, the cell says “Not published.”

7 laboratories

Peptide testing laboratories compared on the same fields. Reviewed 11 November 2026.
Laboratory LocationBase identity and purityPublished starting priceStandard turnaroundISO/IEC 17025Public COA checkWho may submit
Laboratory Apollo Analytical Location Phoenix, AZ, USA Base identity and purity HPLC purity and ESI-MS identity (CORE package) Published starting price Confirm with lab. CORE is listed as both $250 and $300. ZENITH is listed as both $650 and $700. Confirm with lab Standard turnaround 5–10 business days from sample receipt ISO/IEC 17025 Operates in alignment with ISO/IEC 17025, accreditation pending. Public COA check Public Verify COA by order number or Sample ID plus company name Who may submit Online order form. Complimentary Arizona pickup.
Laboratory Colmaric Analyticals Location St. Petersburg, FL, USA Base identity and purity Peptide identity, purity, and characterization (TLC, HPLC, MS as needed) Published starting price Not published — quote-based Standard turnaround Terms: strives for 7 working days ISO/IEC 17025 Homepage says ISO/IEC-certified. Certificate number, accreditor, and scope: Not published. Public COA check Not published. Results are discussed by phone and emailed. Who may submit Discovery call, then a published sample submission form.
Laboratory Freedom Diagnostics Testing Location Franklin, TN, USA Base identity and purity HPLC purity and LC-MS identity (homepage: both on every COA) Published starting price $200 purity and identification (official intake form, May 2026) Standard turnaround Average 1–3 business days. The clock start is not always stated. ISO/IEC 17025 Not published Public COA check Public lookup by Search Code, accession number, or company name Who may submit Complete the official intake form, then ship to Franklin, TN.
Laboratory Janoshik Location Not published Base identity and purity Peptide analyses sold as purity and composition tests in the shop catalog Published starting price Catalog examples from $215 to $450 by peptide Standard turnaround Routine average under 2 days after receipt (Help Center, 15 October 2026) ISO/IEC 17025 Not published Public COA check Verify tab in the menu, or a QR code on the report Who may submit Order through the e-shop. Shipping instructions follow.
Laboratory MZ Biolabs Location Tucson, AZ, USA Base identity and purity HPLC-UV plus mass spectrometry for identity and purity Published starting price Not published Standard turnaround Not published ISO/IEC 17025 Not published Public COA check Not published Who may submit Contact the laboratory. Eligibility details: Not published.
Laboratory Prodigy Labs Location San Diego, CA, USA Base identity and purity RP-HPLC purity, retention-time identity, and content (mg/vial). LC-MS is optional. Published starting price $225 per sample (HPLC package) Standard turnaround 5–7 business days from receipt (HPLC package) ISO/IEC 17025 Claims ISO/IEC 17025:2017 (PJLA #96417, Cert. #L26-715). Peptide methods are not in the current accredited scope. Public COA check Verification link or QR code to a public record, per the laboratory's page Who may submit Contact first for a quote, then ship to San Diego with a chain-of-custody form.
Laboratory Vanguard Laboratory Location Olympia, WA, USA Base identity and purity Purity and spectral identity (retention time and UV versus a standard). Quantity is included from Silver upward. LC-MS is quoted separately. Published starting price $200 purity and identity (no quantity), or $250 Silver Standard turnaround Most results 3–5 business days from receipt. Sterility uses a 14-day incubation. ISO/IEC 17025 ISO/IEC 17025 accredited (A2LA certificate 6377.01). Peptide methods are outside the accredited scope. Public COA check Report number and QR code at verifiedbyvanguard.com, if the client chooses to list the report Who may submit Vendors and individual researchers. Order online or mail a submission form.

Price sort uses the lowest published figure on record and puts quote-only, unpublished, and conflicting prices last. Apollo Analytical is in that last group because CORE is listed at two amounts. Turnaround figures are not a single clock: some start at receipt, some are less specific, and sterility incubations are longer than the routine number. How the cells were filled.

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