74
OF 100
VENDOR AUDIT
Pepspan
UK-registered EU-shipping peptide vendor (PEPSPAN LTD, Companies House 17144153). 13 products, Janoshik COAs claimed, 2-5 day EU delivery, no GLP-1s. Public-data preview.
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VENDOR MATCHUP · AUDITED
Pepspan vs Summit Biotech
Two audits, side by side. Composite, subscores, shipping, payment, coupons. Pepspan takes the higher composite this cycle.
Composite score
vs
55
OF 100
VENDOR AUDIT
Summit Biotech
Operator received an FDA warning letter on December 10, 2024 as "Summit Research Peptides," then rebranded to Summit Biotech without disclosing the prior identity on the new site. Login-walled catalog, code-name SKUs for the FDA-cited compounds, and the cheapest per-mg pricing in our seven-vendor index on Tirzepatide, Retatrutide, and Semaglutide. ~90% of COAs are real Janoshik public-database links.
Subscore breakdown
7 METRICSMETRIC
PEPSPAN
SUMMIT BIOTECH
Composite · weighted avg
74/100
vs
55/100
Purity / COA
78/100
vs
70/100
Shipping · domestic days
3.0d
vs
5.0d
Pricing
72/100
vs
95/100
Support
70/100
vs
40/100
Last tested
2026-05-20
vs
2026-05-09
Payment
card, crypto
vs
crypto, card
Catalog overlap
ONLY PEPSPAN
epitaloncjc-1295ipamorelinsermorelinnad-plus
BOTH
bpc-157tb-500ghk-cumots-c
ONLY SUMMIT BIOTECH
retatrutidetirzepatidesemaglutidetesamorelincagrilintide