S-Adenosyl-L-methionine (p-toluenesulfonate) is a naturally occurring molecule distributed to virtually all body tissues and fluids. S-Adenosyl-L-methionine takes parts in biochemical reactions involving enzymatic transmethylation, acting as a methyl group donor. S-Adenosyl-L-methionine can prevent mortality induced by Acetaminophen and acute and chronic lead poisoning in animals model. S-Adenosyl-L-methionine also possess antidepressant property.

Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months.
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.