SAMe (30 tabs)



S-Adenosyl-L-Methionine (SAMe) has several critical physiological functions and is the common thread between three key metabolic pathways. Well-recognized as a unique methyl donor for more than 100 biological reactions, including DNA methylation. It also links methylation to polyamine synthesis (necessary for cell survival and growth) and transsulfuration, which is responsible for cysteine production, the rate-limiting factor in glutathione synthesis.2,3 Its unique positioning within these intersecting pathways explain its role as a regulator of redox status, cellular metabolism, proliferation, and apoptosis.4,5

Clinically, it has proven beneficial for a number of conditions, most notably osteoarthritis, fibromyalgia, neurodegenerative disease, depression, and liver disease.6,7 For patients with major depressive disorder, SAMe has been shown to be effective not only when compared to standard antidepressants, but also for selective serotonin reuptake inhibitor (SSRI) non-responders.8,9 It has also been shown to reduce the incidence of sexual dysfunction which commonly accompanies treatment with SSRI/SNRI therapy.10 SAMe has also shown efficacy for osteoarthritis comparable to NSAIDs, including celecoxib.11,12 Quite importantly, it is likely via increases in cartilage formation, glutathione production, DNA methylation, and gene expression which contribute to its efficacy, a stark contrast from pharmaceutical analgesics.13 Research also suggests benefit for neurodegenerative disease, and potentially for improving endothelial function

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