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:
135 of 143 listed products were in stock when we last read the catalogue.
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.
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Popular peptides: Semaglutide, Tirzepatide, Retatrutide, BPC-157, CJC-1295, Ipamorelin.
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