l carnitine tmao JCI Dietary lecithin, choline, and L-carnitine,

Of the 20 plasma proteins that were significantly up-or downregulated, only 16 were represented among 3,346 proteins detected by liver tissue proteomic analysis

It helps hydrate the skin and has antioxidant benefits

Crystal structures and catalytic mechanism of l-erythro-3,5-diaminohexanoate dehydrogenase and rational engineering for asymmetric synthesis of beta-amino acids

While glutathione itself crosses this barrier poorly, the brain can synthesize glutathione from precursor amino acids, and systemic glutathione elevation may indirectly support brain glutathione status through various mechanisms including reduced oxidative stress on blood-brain barrier integrity and improved availability of glutathione precursors

PMID: 15867254