It might be cat treats, bacon, tuna, cheese
A small copper-binding peptide (Copper Tripeptide-1), naturally present in human plasma which has proven to stimulate hair growth, seal the brittle hair in several ways: GHK-Cu has angiogenic properties, is very important for hair growth, because each follicle receives its essential oxygen and blood from a solitary capillary
In one study, Pentadecapeptide BPC 157 Enhances the Growth Hormone Receptor Expression in Tendon Fibroblasts the authors found that the healing promotion displayed by BPC-157 in tendon fibroblasts was associated with an increase in growth hormone receptor expression
I don't know, man, but he's a kid
Additionally, low laminar flow found in smaller vessels promotes a quiescent state in ECs, while in larger vessels, higher physiological shear stress induces ECs' elongation and alignment parallel to the flow direction [208, 209]