Vendor profile Research · US · —

Peptide Gurus

D
Composite 4.7 / 10

Last updated 2026-11-02. Composite is computed from the live database; missing sub-scores redistribute weight across the others.

Lab quality
5.4
Fair
Sentiment
—
—
COA
—
Limited
Reliability
—
— tenure
Pricing
3.5
Verified

Peptide breakdown

PeptideScoreLab qualityTestsPurity Qty var.$/mg verifiedLast testRanking
Semaglutide
7.5B
7.5 6 — — — — view
Tirzepatide
5.5C
6.9 7 — — — — view
Retatrutide
4.9D
6.1 7 — — — — view
Ipamorelin
4.2D
5.0 7 — — — — view
PT-141
4.1D
5.7 3 — — — — view
CJC-1295
4.0D
2.6 6 — — — — view
BPC-157
3.0E
4.0 7 — — — — view
Tesamorelin
—
— 0 — — — — view

COA transparency

  • ○ Publishes per-batch COAs (not just one COA for everyone) (pending)
  • ○ Both HPLC and mass spec shown (pending)
  • ○ Endotoxin or sterility data shown (pending)
  • ○ At least one COA independently cross-checked (pending)
  • ○ Most recent COA within 90 days (pending)
All vendor grades, side-by-side
Compare Peptide Gurus against every other vendor in the grade hub →
Top-5 ranked vendors per peptide, plus the highest-rated vendors overall. Daily refresh.