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10.1038/s41568-022-00537-3 30 LimagneE.ThibaudinM.EuvrardR.BergerH.ChalonsP.VganF.et al (2017)

Like methionine, it can contribute to mild GI discomfort at higher doses in some individuals

Besides this, it is a major component of hormone replacement therapy in anti-aging clinics
Synaptogenesis: Promoting the formation of new synaptic connections between neurons