However, as research continued, experts found that GHK could modulate a number of different cells besides those in the liver.4 GHK is naturally found in human saliva, plasma, and urine, but its standard levels are reduced by over half once you reach age 60
The corresponding COAs are also available on the Chemyo website
Aldahmesh MA, Khan AO, Mohamed JY, Hijazi H, Al-Owain M, Alswaid A, et al
P Ou, HJ Tritschler, SP Thioctic (lipoic) acid: a therapeutic metal-chelating antioxidant
doi: 10.3389/fimmu.2022.833355 262 SinhaR.SinhaI.CalcagnottoA.TrushinN.HaleyJ