System xc facilitates the exchange of intracellular glutamate (Glu) for extracellular cystine (Cys) in a 1:1 ratio
It orchestrates the release of growth hormones in a way that is similar to how the body naturally works
The peptide exists in eight stereoisomeric forms, but only the all-L form (natural configuration) has been studied
Hong L, Negrao MV, Dibaj SS, Chen R, Reuben A, Bohac JM, Liu X, Skoulidis F, Gay CM, Cascone T, Mitchell KG, Tran HT, Le X, Byers LA, Sepesi B, Altan M, Elamin YY, Fossella FV, Kurie JM, Lu C, Mott FE, Tsao AS, Rinsurongkawong W, Lewis J, Gibbons DL, Glisson BS, Blumenschein GR Jr, Roarty EB, Futreal PA, Wistuba II, Roth JA, Swisher SG , Papadimitrakopoulou VA, Heymach JV, Lee JJ, Simon GR, Zhang J
All dogs were fed commercial diets without supplementation aimed at enhancing semen quality
Cycling too frequently does not compound the benefit