l glutathione yeast extract L-Glutathione Enriched Extracts 98%, 50%, 15%, 8% - Food, Skin Care China 8% L-Glutathione Enriched Yeast
Description
In addition, the folate cycle is essential for the synthesis and regeneration of tetrahydrobiopterin [180]

Capasso 2013

What makes NAC so effective as a glutathione booster is the fact that it is a stable amino acid that can retain up to six times the amount of the sulfur and sulfhydryl groups after digestion

Glutathione, the brains major intracellular antioxidant, thus has a vital role to play in maintaining brain cell health
