the achilles tendons were harvested by aseptic procedures followed by dissection into pieces at size about 1.5 to 2.0 mm^3 and separation into six-well culture plates
Cysteine is often a limiting factor to GSH production, therefore, supplementing with L-cysteine can be used to improve GSH status in the body and has also been associated with lower levels of inflammation and insulin resistance
Stevens LA, Claybon MA, Schmid CH, Chen J, Horio M, Imai E, et al
A 2018 review (9) also found that IV glutathione therapy and injections could cause the following, rare effects as well: Skin rashes Stevens-Johnson syndrome, a rare but serious disorder that affects mucous membranes
It might make your skin produce more collagen and other substances