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Kefir is produced through a fermentation process, which undergoes biochemical changes induced by a community of desirable microorganisms at room temperature for approximately one to three days (Bensmira et al., 2019

This would imply the accumulation of serine that is very important for glycine synthesis and the activity of folate and methionine cycles, in order to supply the synthesis of nucleotides and methyl groups, respectively, needed for cell proliferation and epigenetic regulation

Fernando, R

Backed by over 45 years of scientific research and supported by 79 patents, Immunocal is one of the most extensively studied glutathione precursor formulas available

Xinyi Zhang wrote the original manuscript

[DOI] [PubMed] [Google Scholar] 29.Bizovi KE, Smilkstein MJ