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Vendor profile Research · US · 6 years

Peptide Partners

C
Composite 5.7 / 10

Last updated 2026-09-28. Composite is computed from the live database; missing sub-scores redistribute weight across the others.

Lab quality
6.5
Good
Sentiment
—
—
COA
—
Per-batch
Reliability
—
6y tenure
Pricing
1.8
Verified

Peptide breakdown

PeptideScoreLab qualityTestsPurity Qty var.$/mg verifiedLast testRanking
Retatrutide
7.5B
9.3 29 — — — — view
Ipamorelin
7.1B
8.6 10 — — — — view
GHK-Cu
6.9B
8.6 6 — — — — view
Tirzepatide
6.5C
8.1 8 — — — — view
BPC-157
4.6D
5.7 11 — — — — view
CJC-1295
4.5D
3.6 9 — — — — view
Tesamorelin
4.4D
4.7 12 — — — — view
TB-500
2.8E
3.3 13 — — — — view
Sermorelin
—
— 0 — — — — view
Thymosin Alpha 1
—
— 0 — — — — view
Semaglutide
—
— 0 — — — — view

COA transparency

  • ✓ Publishes per-batch COAs (not just one COA for everyone)
  • ✓ Both HPLC and mass spec shown
  • ✓ Endotoxin or sterility data shown
  • ○ At least one COA independently cross-checked (pending)
  • ○ Most recent COA within 90 days (2026-04-23) (pending)
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