Third-party lab testing: 4 independent Janoshik assays on file, covering 4 substances, median measured purity 99.4%, most recent test 2025-02-06.
Happy Peptides sells direct to researchers and operates from United States. The site says it has traded since 2024. It lists 70 products, including Hexarelin, 5-Amino-1MQ, Testagen, Pinealon, Dihexa, and Kisspeptin, plus 31 other compounds.
In its own words: “BOGO L-Carnitine Free Priority $250+ ~99% HPLC Purity Guaranteed BOGO L-Carnitine Free Priority $250+ ~99% HPLC Purity Guaranteed BOGO L-Carnitine Free Priority $250+ ”
Happy Peptides publishes 2 certificates of analysis on its site. The vendor chose which batches to publish, so those results do not tell you what is in the vial you receive. Of the 12 product pages we opened, 1 state 99% purity.
Prices run from $2.95 to $138.00 across 70 listed products. Payment is by credit card, zelle, and cash app. Orders ship with DHL, FedEx, UPS, and USPS.
Site check: 70 products listed; 2 certificates of analysis published; payment by credit card, zelle, cash app; ships via DHL, FedEx, UPS, USPS; operates from United States.
Happy Peptides is listed as active. Identified through Janoshik third-party lab testing: 4 assays on file, most recent 2025-02-06.
| Substance | Measured purity | Test date |
|---|---|---|
| Cagrilintide | 99.73% | 2025-02-06 |
| Pt-141 | 99.31% | 2025-01-22 |
| Tesamorelin | 99.08% | 2025-01-22 |
| Sermorelin | 99.45% | 2025-01-22 |
| Status | Active |
|---|---|
| Independent assays on file | 4 |
| Median measured purity | 99.4% |
| Certificates of analysis | Vendor states COAs are available |
| Vendor type | Research-use supplier |
| Last tested | 2025-02-06 |
This vendor advertises 99%. Across 4 independent Janoshik assays of its products, median measured purity is 99.4%, most recently 2025-02-06.
These details were read from Happy Peptides's own website on 2026-08-16. Pages consulted:
Happy Peptides is listed as active and we hold 4 independent Janoshik assays on file, median measured purity 99.4%; 2 certificates of analysis published on its own site. That is evidence about the batches that were tested or published, not a guarantee about the vial you receive.
Yes. We hold 4 third-party Janoshik assays for Happy Peptides, covering 4 substances, with a median measured purity of 99.4%. The most recent is dated 2025-02-06.
Happy Peptides accepts Credit Card, Zelle, Cash App.
Happy Peptides ships from United States and uses DHL and FedEx and UPS and USPS.
Tested substances: Cagrilintide, Tesamorelin, Sermorelin.
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