Because oral glutathione supplements have historically demonstrated poor bioavailability and are rapidly broken down by enzymes in the gastrointestinal tract, the body relies heavily on intracellular de novo synthesis to maintain its protective antioxidant pools
Kiesewetter DO, Guo N, Guo J, Gao H, Zhu L, Ma Y, Niu G, Chen X
NMDA antagonists lead to a paradoxical increase in frontal cortical glutamate (presumably by preferentially inactivating inhibitory interneurons), illustrating the potentially counterintuitive effect of agents acting at this receptor (Moghaddam & Adams, 1998)
The most effective approach combines NAC (600-1,200 mg daily) for cysteine, glycine supplementation (5-15g daily) to correct deficiency, whey protein (20-40g daily), selenium (200 mcg), and sulforaphane from cruciferous vegetables
If youre someone obsessed with having high energy levels throughout the day, consider taking Klow peptide but not without your doctors prescription