Jarrow Formulas' SAM-e 200 pharmaceutical grade, stabilized SAM-e is a full 200mg elemental SAM-e from 400mg of SAM-e tosylate disulfate. SAM-e 200 is manufactured under low temperature and low humidity and is enteric-coated to ensure a biologically active product.

SAM-e is a chiral molecule and therefore consists of two forms: (S,S) SAM-e and (R,S) SAM-e. The biologically active form is the (S,S) structure, while the (R,S) structure is biologically inactive.
Jarrow Formulas' SAM-e is made naturally by microbiological fermentation and then specially processed to preserve 68-80% (S,S) SAM-e, the highest active level available.

SAM-e (S-Adenosylmethionine) is an amino acid derivative that has been clinically proven to benefit brain and joint function. Found in all living cells, SAM-e is also called activated methionine (an essential amino acid) since it is formed by the combining of ATP with methionine. SAM-e has undergone dozens of trials involving thousands of patients. Researchers studying the beneficial effects of SAM-e have identified the following benefits of SAM-e:
Joint Strength
SAM-e supports the production of healthy connective tissue through transulfuration. In this process, critical components of connective tissue, including glucosamine and the chondroitin sulfates, are sulfated by SAM-e metabolites.
Brain Metabolism
SAM-e methylation reactions are involved in the synthesis of neurotransmitters such as L-dopa, dopamine and related hormones, epinephrine and phosphatidylcholine (a component of lecithin).
Liver
SAM-e metabolism supports the synthesis of glutathione (GSH) and glutathione-dependent enzymes (glutathione peroxidase and glutathione-S-transferase), which are substances important for liver function.
Longevity
Methylation of DNA appears to be important in the suppression of errors in DNA replication. Demethylation of DNA is considered a contributor to the aging process. Proper methylation through substances such as SAM-e positively influences longevity.