Thymosin Alpha-1

Listings: 8; from 8 vendors
Verified COA: 1/8; named third-party lab, linked report
Best verified per mg: —; no verified listing yet
Lowest price: €34.99; PeptidesDirect · 5mg

All listings

Sorted by price per mg, cheapest first.

PeptidesDirectIntegrity issue
5mg€34.99€7.00 /mg
Claimed, unverifiedPurity
Vendor links a named-lab report on the product page, but PeptideCompare directly confirmed that this vendor's AOD-9604 listing links a Janoshik report belonging to a different company (Client: Telegram @tracyfromqsc, Manufacturer: QSC) — not PeptidesDirect. Given confirmed misattribution on at least one listing, no lab link from this vendor is trusted until its Client field is individually checked to show PeptidesDirect itself
Cellpept
10mg€75.00€7.50 /mg
No documentation
No COA link or purity claim on the product page, despite most other Cellpept listings being Janoshik-verified
Peptiden Winkel NL
5mg€43.99€8.80 /mg
No documentation
No COA or batch info shown
Particle Peptides
5mg€49.99€10.00 /mg
Claimed, unverifiedPurity
Batch-specific PDF report in their own "COA Vault," but no independent third-party lab named
Primal Peptides
size varies€59.99—
Verified COAPurity
Janoshik Analytical✓ Verifiable via Janoshik Analytical
Revive Peptides
size varies€72.99—
No documentation
No COA link confirmed
CertaPeptides
size varies€49.49—
Claimed, unverifiedPurity
Vendor advertises 49 published Janoshik COAs, but on inspection the specific Janoshik-tested lot is often a different size than the cheapest/tracked listing (confirmed for BPC-157: only the 20mg lot is Janoshik-verified) — treating as unconfirmed for the specific size/price tracked here
Ultimate Biolabs
size varies€64.99—
No documentation
No COA link shown

Prices gathered by hand from public storefronts, September 2026 — prices, stock and promotions change often; confirm on the vendor's site before buying. See the methodology for how "Verified COA" is decided.