Certified Peptides is a recognized vendor with a public per-batch COA library verified through an accredited third-party CRO. They offer a catalog of 56 peptides and accept credit card payments. However, there is limited community feedback, particularly on Reddit and Trustpilot, which affects their scores in community reputation and customer service. The vendor maintains a clean FDA regulatory record.
15YOUTUBE3JANOSHIK
Score Breakdown
Purity Testing20%
85/100
Community Reputation15%
62/100
FDA / Regulatory13%
85/100
Shipping & Fulfillment12%
60/100
Payment Security10%
65/100
Customer Service10%
60/100
Catalog Depth10%
75/100
Price Competitiveness10%
65/100
Evidence
Pros & Cons
Pros
+Strong third-party testing posture — vendor brands itself around "rigorous third-party testing in leading U.S. laboratories" and maintains a public COA library page surfaced in the site nav (most vendors we track don't expose a public COA repository)
+Four-tier Retatrutide sizing (GLP3-R: 10 / 30 / 40 / 60 mg) and three-tier Tirzepatide (GLP2-T: 10 / 30 / 60 mg) — the 60mg single-vial sizes are uncommon at any price tier
+Three-tier SS-31 sizing (10 / 30 / 50 mg) and three-tier MOTS-c (10 / 20 / 40 mg) — multi-tier mitochondrial / longevity options researchers running scaled protocols can use without buying multiple vials
+Six bioregulator SKUs (Crystagen, Cardiogen, Pancragen, Vilon, Bronchogen, Pinealon) — depth in Khavinson-protocol research compounds rare at most peptide vendors
+Six pre-mixed blend formulas — KLOW, GLOW, BPC-157+TB-500, CJC+Ipamorelin (5/5 + 10/10), and a Cagrilintide+Semaglutide GLP-stack — alongside single-vial SKUs
Cons
−Oral peptide capsules and lipotropic injections are listed alongside injectable peptides — researchers focused on a single delivery format may need to filter manually
−Per-batch independent COA data (Janoshik / Finnrick / equivalent specifically) not surfaced in the public copy — Certified's own COA library exists but the third-party lab provider isn't named
Specialties
Multi-tier sizing on Retatrutide (10/30/40/60mg), Tirzepatide (10/30/60mg), SS-31 (10/30/50mg), and MOTS-c (10/20/40mg)Bioregulator collection per Khavinson protocols (Crystagen, Cardiogen, Pancragen, Vilon, Bronchogen, Pinealon)Pre-mixed blend formulas — KLOW, GLOW, BPC-157+TB-500, CJC+Ipamorelin (two ratios), Cagrilintide+SemaglutidePublic COA library surfaced in the site navMulti-format catalog spanning injectable peptides, oral capsules, and lipotropics (only injectables indexed by Stacked)
Payment Methods
Credit card
Shipping
Domestic
Standard carrier shipping
International
No
Tracking
Yes
Carriers
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Testing Methodology
Vendor states all peptides undergo "rigorous third-party testing in leading U.S. laboratories" and maintains a public COA library page accessible from the site nav. The specific lab provider (Janoshik / Finnrick / equivalent) is not surfaced in the customer-facing testing copy.
FDA Warning History
No FDA warning letters on record.
Product Catalog
Every product we track from Certified Peptides, linked to its peptide research profile. Prices refreshed periodically — verify on the vendor site before ordering.
