intradermal injection ghk cu clinical study Frontiers GHK-Cu Dosing: 1.7mg/Day Injectable (2026)
Description
Here is how to structure a sublingual-focused protocol from start to finish

The mechanism explaining this selectivity is straightforward

AOD 9604 AOD-9604 is a synthetic peptide derived from a modified fragment of human growth hormone (HGH), specifically the C-terminal 15amino-acid region (with an additional amino acid added for stability)

Both medications activate overlapping appetite and metabolic pathways, creating redundant stimulation

It has been used for years in horses and dogs
