glutathione is safe as a skin whitening agent: Facts, myths, evidence and controversies Glutathione : Benefits and Safety

Nature 438 , 662666 (2005)

How do biomarkers like collagen levels influence GHK-Cu dosing decisions

NAC (N-acetylcysteine) as precursor: Rather than supplementing glutathione directly, NAC provides the rate-limiting amino acid (cysteine) for endogenous glutathione synthesis

The role of semaphorin3A in myogenic regeneration and the formation of functional neuromuscular junctions on new fibres

Low glutathione also increases the risk of developing hemolytic anemia (in which red blood cells are destroyed faster than they can be replaced), metabolic acidosis (an electrolyte disorder) and CNS dysfunction

The Recommended Dietary Allowance (RDA) for men is 55 micrograms a day