homocysteine low glutathione N-Acetyl-Cysteine supplementation lowers high plasma levels and increases synthesis in the trans-sulfuration pathway Homocysteine, Nutrition, and Gut Microbiota:
Description
& Hollander, J

frischer gegart das Lebensmittel ist, desto mehr Glutathion ist enthalten

75 ShahR.ShchepinovM

313 Neurosteroids (Box 3) may also be implicated in the regulation of gut 5-HT levels, probably via GABA A Rs

He did advise subcutaneous b12 injections
