IGF-2 can act over its own receptor (IGF-2 receptorIGF-2R), which is a manose-6-phosphate transmembrane protein with undetermined actionsit is thought that it acts as a scavenger receptor by sequestering IGF-2 and IGF-1 from the extracellular medium and targeting them for destruction [103]
Furthermore, animal and clinical studies have shown that glutamine deficiency leads to villous atrophy (destruction of villi) and mucosal ulcerations (sore lesions) in the small intestine, leading to an impairment in the functioning of immune cells, and resulting in greater susceptibility to infections
GHK-Cu works differently-its a non-hormonal topical peptide
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The difference between 1 unit and 2 units represents a 100% change in dose, from 200 mcg to 400 mcg
2 Goal-based orientation to peptide category selection