So that was the direction of the pharmacologic industry very very early on, and that started in 2005
In the fish, creatine plus phosphocreatine concentrations in skeletal muscle were 1315, 1316, and 112125 times those in the proximal intestine, kidneys, and liver, respectively, whereas GSH concentrations in the liver were 3.23.5, 5.36.6, and 911 times those in the proximal intestine, kidneys, and skeletal muscle, respectively
However, if you need to choose one specifically for pigmentation, glutathione should be your priority
Short-term soy isoflavone intervention in patients with localized prostate cancer: a randomized, double-blind, placebo-controlled trial
In addition, propionyl-L-carnitine was found to improve lactate clearance by 43% and increase stroke volume by 8% in patients with ischemia