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VENDOR MATCHUP · AUDITED

CertaPeptides vs Summit Biotech

Two audits, side by side. Composite, subscores, shipping, payment, coupons. CertaPeptides takes the higher composite this cycle.

Composite score

HIGHER COMPOSITE
78
OF 100
VENDOR AUDIT

CertaPeptides

Legit on public records: verifiable Janoshik reports, a named Romanian company. Official shop: certapeptides.com, not certa-peptides.com. Score 78/100.

vs
55
OF 100
VENDOR AUDIT

Summit Biotech

Held for reference, not a current recommendation. The link we drew from the December 2024 FDA warning letter to "Summit Research Peptides" to the current Summit Biotech site is an inference, not a record - the letter names summitpeptides.shop, while summitbiotechusa.com was registered months later; the only hard tie is a same-name domain that 301-redirects to it. The catalog is login-walled, our data is from May 2026, and there is no independent buyer record, so readers cannot re-check anything. We have removed it from the ranked vendor list.

Subscore breakdown

7 METRICS
METRIC
CERTAPEPTIDES
SUMMIT BIOTECH
Composite · weighted avg
78/100
vs
55/100
Purity / COA
82/100
vs
70/100
Shipping · stated domestic days
3.0d
vs
5.0d
Pricing
80/100
vs
95/100
Support
70/100
vs
40/100
Last reviewed
2026-10-12
vs
2026-05-09
Payment
sepa, paysera
vs
crypto, card

Catalog overlap

ONLY CERTAPEPTIDES
epitalonnad-plusss-31selankmelanotan-25-amino-1mq
BOTH
retatrutidecagrilintidebpc-157tb-500ghk-cumots-c
ONLY SUMMIT BIOTECH
tirzepatidesemaglutidetesamorelin

Other matchups

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