Finnrick, an independent testing programme, publishes 33 assays for Simple Peptide: 15 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 18 did not. Most recent assay 14 Jul 2026.
Simple Peptide operates from US, FL 33446, listed by Finnrick as "Trading". Source: Finnrick, https://www.finnrick.com/vendors/simple-peptide.
Simple Peptide sells direct to researchers. The site says it has traded since 2019. It lists 143 products, including Glutathione, PE-22-28, CJC-1295, AOD-9604, MK-677, and GHK-Cu, plus 34 other compounds.
In its own words: “At Simple Peptide, our work is rooted in rigorous, research-driven methodology designed to support advanced scientific investigation. We emphasize precision, repeatability, and data integrity at every stage, reflecting a strong commitment to established laboratory standards. Through structured evaluation, careful documentation, and evidence-based formulation practices, we ensure consistency across research applicatio”
Of the 12 product pages we opened, 7 state 99.8% purity and 7 link a certificate for that item.
Prices run from $1.00 to $1695.00 across 143 listed products. Payment is by credit card. Orders ship with FedEx.
Site check: 143 products listed; payment by credit card; ships via FedEx.
Simple Peptide is listed as active. Finnrick Grade C. Finnrick avg score: 6.9/10 across 28 samples (7 products). Mixed quality — some products test well, others below average.
Simple Peptide holds independent lab grade C, assigned across 28 graded samples, average score 6.9/10. That grade comes from an independent grader's own sampling, not from PeptideAtlas, and it describes the samples that grader obtained rather than every batch sold.
| Product | Assays | Result |
|---|---|---|
| Retatrutide | 11 | 6 passed, 5 failed |
| Tirzepatide | 6 | 5 passed, 1 failed |
| Semaglutide | 4 | 2 passed, 2 failed |
| BPC-157 | 3 | 0 passed, 3 failed |
| CJC-1295 | 3 | 0 passed, 3 failed |
| Ipamorelin | 3 | 2 passed, 1 failed |
| Melanotan II | 3 | 0 passed, 3 failed |
Source: Finnrick, as published 2026-08-09. Pass and fail are Finnrick's classification against its own threshold, not ours.
| Status | Active |
|---|---|
| Independent lab grade | C (28 samples) |
| Average grader score | 6.9/10 |
| Vendor type | Research-use supplier |
These details were read from Simple Peptide's own website on 2026-08-10. Pages consulted:
Simple Peptide is listed as active and we hold 33 Finnrick assays (15 passing, 18 failing its purity threshold); an independent lab grade of C. That is evidence about the batches that were tested or published, not a guarantee about the vial you receive.
Yes. Finnrick, an independent testing programme, publishes 33 assays for Simple Peptide: 15 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 18 did not. Most recent assay 14 Jul 2026.
Simple Peptide accepts Credit Card.
Simple Peptide uses FedEx.
Similar vendors: Peptide Sciences, Limitless Life Nootropics, Polaris Peptides, NextechLabs, Yiwu Aozuo Trading Co, Shandong Shengyuan Peptide Technology, Bulk Peptide Supply, Skye Peptides.
Popular peptides: Semaglutide, Tirzepatide, Retatrutide, BPC-157, CJC-1295, Ipamorelin.
Other reviewed vendors: Simply OSP Peptides Review, Skye Peptides Review, Solid Peptides Review.