Bio Petactive Dermadog Garlic & Brewers Yeast Tablet 0.5 150TABLETSBIO PETACTIVE DERMADOG GARLIC & BREWER'S YEAST TABLET 0. 5 150TABS Supplementary feeds with Vitamins and Amino Acids made to protect skin and bowel health of medium and large breed dogs. Brewers Yeast, Biotin helps support the development of healthy skin and coat, reduces shedding and keeps your pets coat shiny and healthy. MOS (Mannan oligosaccharide), with the prebiotic effect, increases the beneficial bacteria in the bowel; causing harmful bacteria