JARROW FORMULAS SAME 400 - 60 TABLETSJarrow Formulas SAMe 400 provides a full 400 mg SAMe (net yield) from 800 mg of SAMe tosylate disulfate. SAMe 400 is manufactured under low temperature and low humidity and is enteric coated to ensure a biologically active product. With More of the Biologically Active S,S than R,S Form Found in all living cells, SAMe is a metabolite of methionine (an essential amino acid). SAMe is a chiral molecule consisting of two forms: (S,S) SAMe and (R,S) SAMe.