A capsule that lists "BPC-157 500 mcg" with no excipient detail and no formulation description is almost certainly a plain peptide in powder form with no oral bioavailability advantage over reconstituting it and drinking the solution (which is also negligible systemically)
suggesting that, at high concentrations, IGF-1 has effects not simply mediated by suppressing the effect of GH on hepatic insulin sensitivity [129, 209]
The two compounds operate on different timelines
GHK-Cu regulates TGF-, SMAD, and MMP signaling , boosting collagen, elastin, and glycosaminoglycan synthesis while reducing oxidative stress
Selenium, in particular, is essential for activating glutathione enzymes[25]
If you eat protein first, eggs, hearty, heavy foods, dense, nutrient packed foods, your appetite is suppressed