Evaluation of Butyrate Effect on Diarrhea

The goal of this clinical trial is to evaluate the effects of a Food Supplement containing calcium butyrate, vitamin D, and zinc, on the variation of intestinal microbiota and prevention of antibiotic-induced diarrhea, in individuals who have been prescribed antibiotic therapy. The main questions it aims to answer is: Does Dibuzin improve the microbiota composition in patients undergoing antibiotic treatment? Does Dibuzin prevent antibiotic-induced diarrhea? Participants will: - take 2 capsules/day of DBZ (1 /morning and 1 /evening, away from meals) for 14 gg. -Visit the clinic two times ( T0 and at the end), collect three fecal samples, and fill out two questionnaires 3 times.