Choose a lab to test your peptides
Start with what the test must tell you, then compare price and turnaround. As of Oct 10, 2026, we profile 18 labs and 2 services that send samples to labs, Finnrick and Peptide Test. Every fact shows its source and the date we checked it.
Filter by what you need
Compare labs side by side
Showing labs that offer an identity test: mass spectrometry in the base price first, then mass spectrometry as an add-on, then other methods, each by lowest base price. Show all labs
Retention-time identity compares the sample with a reference standard. Mass spectrometry also checks the molecule's mass. Ask whether the method can tell similar compounds apart, such as tirzepatide and retatrutide.
| Lab | Identity test | Tests | Base price | Turnaround | Outside US | Report check | Accreditation | Reports we hold | Known issues |
|---|---|---|---|---|---|---|---|---|---|
| BioviridianUnited States | MS (MALDI-MS or LC-MS), in the $150 IPN test | Identity (mass spec), Amount, Endotoxin, Sterility (USP <71>), Metals | $150 | Measured: median 4 business days | Ask first | On its own site | None; says "ISO 17025 in Progress" | 96; latest Sep 18, 2026 | A public report printed mg for a mcg product and marked it "Conforms" |
| BioRegenUnited States | UPLC-MS, included | Identity (mass spec), Amount, Endotoxin | $165 to $230 | Stated: 4 to 6 business days | Not stated | On its own site | None claimed | 323; latest Sep 10, 2026 | Samples ship to a private mailbox; no lab street address published |
| AV AnalyticsUnited States | UPLC-MS, in the $170 base test | Identity (mass spec), Amount, Endotoxin, Sterility (growth-based), Metals, Solvents/TFA (quote) | $170 to $215 | Measured: median 9 business days | Not stated | On its own site | None found | 60; latest Sep 3, 2026 | Short record: site registered April 2026, first public reports August 2026 |
| Freedom DiagnosticsUnited States | Included; LC-MS on current reports | Identity (mass spec), Amount, Endotoxin (pass/fail), DNA screen (not sterility) | $200 | Measured: median 2 business days | Not stated | On its own site | None found; claims ISO 9001 and GLP | 73,766; latest Oct 9, 2026 | Endotoxin printed as Pass without a threshold |
| Horizon AnalyticalUnited States | UPLC-MS, in the $200 core test | Identity (mass spec), Amount, Endotoxin, Sterility (subcontracted), Metals | $200 | Stated: 2 to 7 days; its pages give four figures | Ask first | On its own site | None claimed | 219; latest Sep 9, 2026 | 2 of 15 reports we checked date the analysis before receipt |
| Kovera LabsUnited States | LC-MS (ESI+), in the base price | Identity (mass spec), Amount, Endotoxin, Sterility (growth-based), Metals | $200 | No standard time; sterility 14 business days | US and Canada only | On its own site | None claimed | 874; latest Aug 24, 2026 | Terms let Kovera revoke COAs and publish your name and results without consent |
| Krause AnalyticalUnited States | Included (HPLC-MS) | Identity (mass spec), Amount, Endotoxin, Sterility (USP <71>), Metals, Solvents | Quote only | Not stated | Not stated | On its own site | None found | 95; latest Sep 17, 2026 | None flagged |
| MDx BioAnalytical LaboratoryUnited States | HPLC with triple-quad MS (by quote) | Identity (mass spec), Amount (quote), Endotoxin (quote), Sterility (type not stated), Metals (quote), Solvents (quote) | Quote only | No figure stated | Not stated | On its own site | ISO 17025 (PJLA) expired; renewal pending | 207; latest Jun 27, 2026 | ISO 17025 certificate expired; re-accreditation pending after a March 2026 audit |
| MZ BiolabsUnited States | HPLC-UV with QTOF mass spectrometry | Identity (mass spec), Amount (quote), Endotoxin (quote) | Quote only | Not published | Ask first | No public lookup | None found | 52; latest Sep 6, 2026 | None flagged |
| ILS LaboratoriesUnited States | HPLC retention time; LC-MS by custom quote | Identity (retention time), Amount, Endotoxin, DNA screen (not sterility), Metals | $200 | Stated: 7 days | Not stated | On its own site | ISO 17025 (PJLA); scope lists no peptide tests | 1,200; latest Sep 24, 2026 | Accreditation scope does not list peptide tests |
| JanoshikCzech Republic | HPLC; mass spec costs extra | Identity (retention time), Amount, Endotoxin, Microbial count (not sterility), Metals, TFA | $215 to $290 | Stated: 5 to 14 days | Any country | On its own site | None found | 20,616; latest Sep 17, 2026 | Customs documents issued in your name |
| TestidesCanada | HPLC-DAD retention and UV match; MS optional | Identity (retention time), Amount, Endotoxin, Microbial count (not sterility), Metals | Quote only | Stated: 10 days from receipt, or a refund | Canada and US only | On its own site | None; cites an unnamed partner lab | 165; latest Sep 11, 2026 | Intake paused Jul to Sep 2026; check it is open before shipping |
| FinnrickUnited States. Testing service | In the Basic test; method depends on the partner lab | Identity, Amount, Endotoxin, Sterility (type not stated), Metals, Solvents | $59 to $249; free for eligible US buyers | Stated: 14 to 28 days | No | On its own site | Not a lab; depends on the partner lab | 12,165 sent through Finnrick; latest Sep 25, 2026 | Results come from partner labs with different methods |
| ChromateUnited States | HPLC unless otherwise specified | Identity (retention time), Amount, Endotoxin, Sterility (USP <71>), Metals (quote), Solvents/TFA (quote) | $180 to $380 | Not stated | Not stated | On its own site | None claimed | 1,964; latest Aug 11, 2026 | No street address or legal entity published |
| TrustPointe AnalyticsUnited States | Included; MS not mentioned | Identity, Amount, Endotoxin, Sterility (USP <71>), Metals | $200 to $400 | Stated: 3 to 5 business days | Not stated | On its own site | None claimed | 450; latest Oct 1, 2026 | Identity method not stated; ask whether it uses mass spectrometry |
| Accumark LabsUnited States | HPLC only; LC-MS listed for November 2026 | Identity (HPLC only), Amount, Endotoxin, DNA screen (not sterility) | $250 | Measured: median 3 business days | Not stated | On its own site | None; says "ISO 17025 Pending" | 168; latest Sep 8, 2026 | Its "Sterility (PCR)" test looks for microbial DNA; it is not a growth test |
| Vanguard LaboratoryUnited States | Included; method not named | Identity, Amount, Endotoxin, Sterility (USP <71>), Metals, Solvents/TFA | $250 | Stated: 7 to 10 business days | Not stated | On its own site | ISO 17025 (A2LA); scope lists no peptide tests | 931; latest Sep 9, 2026 | Accreditation does not cover peptide purity, identity or amount |
| BTLabsUnited States | HPLC and FT-IR | Identity (FT-IR), Amount, Endotoxin (quote), Sterility (type not stated) | Quote only | Not stated | Not stated | On its own site | None found | 83; latest Sep 16, 2026 | Identity by FT-IR, not mass spectrometry |
| Ethos AnalyticsUnited States | HPLC retention time vs reference standard | Identity (retention time), Amount (quote), Endotoxin (quote), Microbial count (not sterility), Metals (quote) | Quote only | Measured: median 3 business days | Not stated | On its own site | ISO 17025 (PJLA); scope not posted | 97; latest Sep 16, 2026 | Purity printed as ">99%", not as a number |
To plan the order, read how to choose the test, vials and lab. When the report arrives, check it against the lab's own records.
What counts as a known issue
A known issue is a documented fact to weigh before you pay: a term of service, what a test actually measures, or a service problem. We list it only when it comes from the lab's own pages, terms or reports, a public registry, our own measurements that meet a stated threshold, a named third party, or at least two public first-hand reports. Single anonymous posts, claims by competing labs or sellers, and private chats never count. An issue is not a verdict on a lab. The table shows one recent issue per lab. Each profile lists every issue with its source and date.
Before you pay for a test
Someone may already have tested your batch. Search our archive by batch code first.
How we built this
Each profile comes from the lab's own pages, terms and reports, public registries and the reports in our archive. Every fact shows its source and the date we saw it, and carries a review date. A price or time we have not re-checked by its review date shows when we last confirmed it and is left out of Cheapest and Fastest.
"Reports we hold" counts the reports in our archive that name the lab directly. Reports sent through Finnrick are counted on the Finnrick page, not under the lab that ran them. Sellers choose which reports to publish, and we hold only what reached our archive. These numbers describe our archive, not each lab's total work.
We do not yet compare labs' amount results. No lab has 30 batches in our archive that another named lab also tested. Why labs report different amounts.
Report counts come from our archive as of Oct 10, 2026. TitrateLab takes no payments from labs. Report a correction.
Labs not yet profiled
Analiza Białek, Analytical Formulations, Harrens Lab, Ichor Life Sciences, Pacific Coast Biologics, Peptide Test Canada / SideChain Analytics, PharmLabs, SteriGenix and Uzorak. We have not checked their tests, prices or terms.