nac n acetylcysteine glutathione has direct antioxidant properties on oxidant species (e.g. OH • ) NAC N-Acetyl L-Cysteine 2028 Mg
Description
Nature (1996) 381:5719

CC CHT DINH DNG GIP TNG HM LNG, TNG HP COLLAGEN B sung nhng cht dinh dng di y c th kch thch v tng cng hm lng collagen trong c th bn

Alawieh A, Elvington A, Zhu H, Yu J, Kindy MS, Atkinson C, et al
The SAHH from this thermophilic bacterium was shown to catalyse SIH cleavage in addition to SAH cleavage (with K M values in the same order of magnitude) 15

The recipe and component can be made as your requirements
