S-Adenosyl-L-methionine (S-Adenosyl methionine) 1,4-butanedisulfonate is an orally active methyl group donor. S-Adenosyl-L-methionine 1,4-butanedisulfonate is a dietary supplement with potent antidepressant effects. S-Adenosyl-L-methionine 1,4-butanedisulfonate also has anti‑proliferative, pro‑apoptotic and anti‑metastatic roles in cancers. S-Adenosyl-L-methionine 1,4-butanedisulfonate has the potential for, cancer, liver disease and osteoarthritis research[1][2][3].