Research use
Independently Verified.
Published laboratory reports are available for selected lots. Check each report for its result and stated method. For research purposes only.
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Our Peptides
Class-level specifications where on record, selected lots independently tested
Independently Verified by Third-Party Labs
We don't ask you to trust us. Every report below links to a public certificate page hosted by the testing lab or its certificate provider. Verify the results yourself.
Browse the COA vault →Verified Matrixyl 10mg 99.89% 13.45 mg (134.5% of label) Verify on Janoshik.com Report #241507
Verified Adamax 10mg 98.64% 10.02 mg (100.2% of label) Verify on Janoshik.com Report #241505
Verified MT-2 (Melanotan 2 Acetate) 10mg 99.455% 10.45 mg (104.5% of label) Verify on Janoshik.com Report #233663
Verified Epitalon 50mg 99.514% 49.02 mg (98% of label) Verify on Janoshik.com Report #233662
Verified Selank 30mg 99.163% 36.70 mg (122.3% of label) Verify on Janoshik.com Report #233657
Verified DSIP 5mg 99.307% 5.67 mg (113.4% of label) Verify on Janoshik.com Report #233645
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Research & guides
Practical reference material for researchers

Kisspeptin-10 and Oxytocin in Gonadotropic Research
An overview of gonadotropic-pathway research: kisspeptin-10 as a KISS1R/GPR54 agonist, oxytocin as an OXTR ligand, and lab handling of lyophilised peptides.
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Why Research Peptide Parcels Get Seized at EU Customs (and How Intra-EU Shipping Avoids It)
Parcels from UK and US suppliers cross an EU customs border where peptides can be classified as medicines and seized. Intra-EU shipments face no customs…
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How to Read a Peptide COA + Verify a Janoshik Report
A peptide Certificate of Analysis (COA) is a test report on a sample from one specific lot. Depending on the […]
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