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Zen Peptides

B
Composite 7.3 / 10

Last updated 2026-10-12. Composite is computed from the live database; missing sub-scores redistribute weight across the others.

Lab quality
6.7
Good
Sentiment
—
—
COA
—
Limited
Reliability
—
— tenure
Pricing
9.1
Verified

Peptide breakdown

PeptideScoreLab qualityTestsPurity Qty var.$/mg verifiedLast testRanking
GHK-Cu
9.1A
8.9 4 — — — — view
Tirzepatide
8.3B+
7.9 5 — — — — view
Retatrutide
7.8B+
7.2 11 — — — — view
Ipamorelin
6.8B
6.8 3 — — — — view
BPC-157
6.1C
5.2 3 — — — — view
Tesamorelin
5.3C
4.4 6 — — — — view
MOTS-c
—
— 0 — — — — view
Semax
—
— 0 — — — — view
TB-500
—
— 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)
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