It's not FDA approved and exists in a legal gray zone
Gao Y, Li Y, Wang J, Zhang X, Yao D, Ding X, et al
Dobric I, Drvis P, Petrovic I, et al
doi: 10.1128/microbiolspec.TBS-0010-2012
Aging itself reduced synthesis capacity in cells Chronic oxidative stress from inflammation, poor diet, and environmental toxins Mitochondrial dysfunction your cellular energy factories become less efficient Nutrient deficiencies particularly B vitamins, selenium, and sulfur-containing amino acids Excessive alcohol consumption depletes glutathione rapidly Certain medications including acetaminophen, which consumes glutathione during metabolism The result
It has been the subject of extensive preclinical research examining its cytoprotective, angiogenic, and regenerative properties across multiple tissue systems