Melanotan II (MT-2) × Growth Guys — Lab Test, March 2026
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Test results
This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.
About this test
Label 10 mg · Lab measured 8.93 mg
89% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.2 mg using the measured mass, against 2.5 mg on the label — 11% less.
One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.
Independent HPLC purity analysis of Melanotan II from growthguys.is, performed by Janoshik Labs on March 9, 2026. Reported purity: 99.764%. Net content: 8.93 mg against 10 mg labeled (89% of label). Tested content is 11% below the labeled amount. Batch MT203. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of Melanotan II (MT-2) from growthguys.is
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| MT202 | 9 Jul 2025 | Janoshik Labs | 99.739% | 107% | Unverified |
| MT201 | 30 Dec 2024 | Janoshik Labs | 99.789% | 128% | Unverified |
Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.
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