The Peptide Directory

Peptide Partners

peptide.partners · Research-chemical vendor · Research peptides

No usable logo on the vendor's site; neutral monogram shown.

US research-peptide seller that posts a dated, per-lot purity certification table naming the laboratory behind each result.

As of October 19, 2026, Peptide Partners publishes a public certificate-of-analysis (COA) or test-results page and names 4 outside testing labs (Kovera, Chromate, BioRegen, TrustPointe), and mentions endotoxin, sterility and heavy-metal testing. FDA sent it a warning letter on August 24, 2026 (unapproved new drugs). We have not tested its products. FDA record.

COA / test page
Published
Labs named
Kovera, Chromate, BioRegen, TrustPointe
FDA warning letter
Yes, August 24, 2026
Listed $/mg
Not verified
Catalog matched
31 compounds

Updated . Facts checked on Peptide Partners' own pages and fda.gov.

Quality & trust signals

What Peptide Partners' own pages say, with the page and the date we read it. Vendor claims are labeled as such; we have not independently tested products.

Per-lot certification table (COA)
Yes — lists compound, lot, manufacturer code, date, purity result and laboratory for each certificate.
Peptide Partners — Independent CertificationsChecked
Labs appearing in the table
Chromate, BioRegen, Kovera, TrustPointe (as listed on the page).
Peptide Partners — Independent CertificationsChecked
Most recent entry seen
Tesamorelin lot TES2624, dated Oct 15, 2026, 99.21% purity, laboratory Chromate.
Peptide Partners — Independent CertificationsChecked
Additional test types mentioned
Homepage copy mentions endotoxin, sterility and heavy-metal testing.
Peptide Partners — homepageChecked
Research-use-only notice
Present on site.
Peptide Partners — homepageChecked
Regulatory status: FDA warning letter
Yes — FDA warning letter 735063 dated August 24, 2026 (unapproved new drugs).
FDA — warning letter 735063Checked

Peptide Partners prices per mg

We could not verify Peptide Partners' prices for BPC-157, TB-500, semaglutide, tirzepatide or retatrutide from a public product page, so none are shown.

Compounds in Peptide Partners' catalog (31)

Products in Peptide Partners' public catalog on October 19, 2026 that we matched to a compound profile. Listing is not verification of identity or purity.

5-Amino-1MQAOD-9604BPC-157BPC-157 + TB-500 blendCagrilintideCJC-1295CJC-1295 + ipamorelinDSIPEpithalonGHK-CuGLOW blendGlutathioneHumaninIpamorelinKisspeptin-10KLOW blendKPVMOTS-cPinealonPT-141RetatrutideSelankSemaglutideSemaxSermorelinSS-31TB-500TesamorelinThymosin alpha-1TirzepatideVIP

Peptide Partners FAQ

Does Peptide Partners publish certificates of analysis (COAs)?

Yes. Peptide Partners' site links a testing or COA page and names Kovera, Chromate, BioRegen, TrustPointe. Match any certificate to the lot number on the vial you receive.

Has the FDA sent Peptide Partners a warning letter?

Yes. FDA issued a warning letter dated August 24, 2026 (unapproved new drugs). It is linked on this page.

How much does Peptide Partners charge per mg?

We could not verify per-mg prices for Peptide Partners for the five compounds we track.

Is Peptide Partners legit?

We don't rate vendors. What we can verify: it links a testing page, it names 4 testing labs, and it has received an FDA warning letter. Its products are sold for research use only.