SAMe (S-adenosyl-methionine) is an amino acid derivative normally synthesized in the body. SAMe is used by the body in three important pathways:
Methylation (contributing methyl groups to activate certain molecules)47,48
The synthesis of polyamines (for cell growth, gene expression, neuronal regeneration, etc.)49-51
Trans-sulfuration (synthesis of cysteine, glutathione, and other sulfate chemicals)52-54