When is Kefir Alltag actually useful?

Kefir Alltag (daily kefir consumption) can be useful for individuals seeking a diverse probiotic boost for gut health. The evidence is human-moderate: kefir contains multiple lactic acid bacteria and yeasts that, in controlled studies, may improve digestion, enhance lactose tolerance, and exert anti-inflammatory effects. However, effects vary by person and are not equivalent to clinical probiotics. For specific conditions like IBS or IBD, there are hints but no strong evidence. Importantly, kefir is not a substitute for a balanced diet or medical treatment. In lactose intolerance or histamine sensitivity, kefir may even cause discomfort. The DNA tests mentioned in the context are irrelevant to this question. Bottom line: daily kefir is useful as part of a healthy lifestyle, but not a miracle cure.