Certified Pep User Review: Great Tirz

[KT_O]

5.00/5 | Reviewed November 14, 2025

Peptide: GLP2-T

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I bought a 10-pack (kit) of 30mg Tirz from Certified Pep. I sent one vial out for independent testing (at my own cost) and it came back at 30.2mg and 99.76% purity. I've been using it for a few months and it works great. I recommend this vendor.

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