Independent educational research
Evidence before hype.
We compare research-peptide suppliers using laboratory documentation, batch traceability, business transparency, independent reputation, service, and track record.
Explore rankingsResearch libraryEditorial review date: August 27, 2026.

Current leader
PuraTek Peptides
88 /100
Current leader after weighting six evidence categories.
See full scorecard →
Leaderboard
Seven ranked suppliers. One scoring framework.
| Rank | Supplier | Score | Tier | Assessment |
|---|---|---|---|---|
| #1 | PuraTek Peptides | 88 | Top Tier | Best overall evidence balance. |
| #2 | Elite Research Labs | 84 | Top Tier | Excellent traceability. |
| #3 | My Pure Peptide | 81 | Top Tier | Exceptional analytical transparency. |
| #4 | Real Peptides | 72 | Watchlist Contender | Strong testing; traceability questions. |
| #5 | Alpha Pro Peptides | 67 | Promising | Real testing; consistency questions. |
| #6 | Kits4Less | 61 | Mixed | Mixed but meaningful history. |
| #7 | HLX / Helixion Labs | 52 | Early Stage | Too early for high confidence. |
UNDER REVIEW
View evidence reviewPeakForce Labs
Promising testing and documentation claims. No rank or numeric score will be assigned until the evidence review is complete.
Affiliate independence: If we receive a commission from a supplier, that relationship must be disclosed near the recommendation or link. Compensation does not purchase ranking points or remove negative evidence.
New research library
Learn how to investigate a supplier yourself.
COA Basics
How to Read a Peptide COA
Identity, purity, content, lot matching, dates, and independent verification.
Read guide →Testing
Purity vs. Actual Vial Content
Why a high purity percentage and the number of milligrams in a vial answer different questions.
Read guide →Traceability
Why Batch Numbers Matter
A polished COA means little if it cannot be connected to the material being evaluated.
Read guide →Method
How We Investigate a Supplier
Our evidence hierarchy, red flags, and rules for separating claims from verified evidence.
Read guide →