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Group Buy Kits GBK reviews

Group Buy Kits GBK reviews from 8 independent lab tests (Tirzepatide, GHK-Cu and Retatrutide): grade A, purity and fill accuracy. Is Group Buy Kits GBK legit? See what its vials showed.

Grade A8 independent lab tests0 peptides listedVisit website

What the lab tests show

8 tests on record, newest first. Scores are purity divided by ten.

DateProductPurityQuantityIdentityCertificate
Oct 14, 2026Retatrutide99.99 %9.5 mg of 10 mg (-5 %)PassView
Sep 17, 2026Tirzepatide99.9 %32.7 mg of 30 mg (9 %)PassView
Aug 28, 2026Retatrutide99.8 %10.9 mg of 10 mg (9 %)PassView
Aug 28, 2026GHK-Cu99.7 %54.5 mg of 50 mg (9 %)PassView
Jun 16, 2026Tirzepatide99.8 %10.2 mg of 10 mg (2 %)PassView
Jun 15, 2026Tirzepatide5 mgFailView
Jun 15, 2026GHK-Cu99.8 %50.9 mg of 50 mg (2 %)PassView
May 25, 2026Tirzepatide99.9 %105.6 mg of 100 mg (6 %)PassView

What Group Buy Kits GBK sells

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About Group Buy Kits GBK

Finnrick has tested 8 samples from Group Buy Kits GBK across 3 products.

Group Buy Kits GBK Reviews: Is It Legit? 8 Lab Tests