recommended dosage of ghk cu GHK-Cu and Protocol: A Medical Provider's Guide to the 30-Day Cycle What is a GHK CU
Description
Perhaps its because of how they mix it with b12

For experiments with caspase-3/7 staining, the Caspase-3/7 reagent (Thermo Scientific Cat# C10723) was added to live cells for 30 minutes prior to fixation

10.2165/00063030-200721010-00007 29 ChenY.ZhangM.RenF

2 The two dominant incretins are glucagon-like peptide-1 (GLP-1), secreted by enteroendocrine L cells (located in the ileum and colon), and glucose-dependent insulinotropic peptide (GIP), secreted by K cells (located mainly in the duodenum)