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It cannot tell you why you are tired
Established vendors with consistent positive community feedback have more to lose from quality lapses than fly-by-night operations
In vitro, kefir has shown antimicrobial activity comparable to that of antibiotics (Azizi et al., 2021), attributed to competitive adhesion to the intestinal epithelium, pathogen exclusion, and immune modulation
It has the molecular formula C 14 H 22 CuN 6 O 4 , a molecular weight of 401.9 g/mol, and CAS number 89030-95-5
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