l citrulline l glutathione Simplified scheme of L-arginine pathways in mammalian host L-Arginine + L-Citrulline – Type
Description
Nerve and Brain Support: Studies have shown it may support nerve and brain health

Espinosa et al., 2002

SAMe (S-adenosylmethionine) is present in all living cells

Science 294 , 15401543 (2001)

A deficiency can lead to fatigue and weakness
