glutathione bioavailability oral liposomal randomized trial outperforms plain glutathione in uptake, cell regeneration and systemic availability US20140100283A1 - Method to Increase

IGF-1 is the real worker in this chain

The slight blue tint sometimes visible in reconstituted GHK-Cu comes from the copper component

Indeed, increased levels of SAM in arterial cord blood (irrespective of treatment) and venous cord blood (mainly in the NAC-arm), were observed in severe IPTB, as well as higher serine, homocysteine, and methionine in maternal blood, along with similar levels of cystathionine in both maternal and cord blood

The peptide appears particularly effective for surgical wounds , chronic ulcers , and traumatic injuries where normal healing processes may be impaired

Still, these numbers come from separate studies, so they arent accurate head-to-head comparisons