SAMe-1,4-Butanedisulfonate-d3 is the deuterium labeled SAMe-1,4-Butanedisulfonate (HY-W105505). SAMe-1,4-Butanedisulfonate, a natural compound, is a methyl donor in the central nervous system. SAMe-1,4-Butanedisulfonate has antidepressant activity. SAMe-1,4-Butanedisulfonate can be used for research of CNS disorders[1]