human glutathione synthetase enzymes Frontiers Glutathione synthetase - Wikipedia
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Pyridoxine-dependent epilepsy: an expanding clinical spectrum
Intriguingly, increased accumulation of ABA and GSH inducing resistance toward drought stress has been observed in mutant plants (Chen et al., 2012)

Over-the-counter options include multivitamins or vitamin B complex formulas

A 2017 clinical trial published in Clinical, Cosmetic, and Investigational Dermatology reported that oral glutathione supplementation improved skin elasticity and reduced wrinkles in female subjects (Weschawalit et al., 2017)
