It is not a drug, food, cosmetic, or dietary supplement, and has not been evaluated by the FDA
The Hardware Defense (Glutathione): Glutathione is protective and preventative
S., Llorca Prez, V
Research protocols typically employ intermittent dosing strategies (once weekly or 3-day cycles) designed to prevent excessive apoptosis while enabling effective senescent cell elimination, with doses ranging from 5-10 mg/kg body weight in animal studies
[2] High-dose intramuscular administration creates a tissue depot that releases vitamin D slowly over weeks, potentially enabling a single injection to lift serum 25-hydroxyvitamin D levels into the sufficient range in severe deficiency and to potentially support bone mineralisation, neuromuscular function, and secondary hyperparathyroidism reversal while bypassing the gastrointestinal tract
An experienced cosmetic physician will give you the best results since they know how much and where to administer it