Bio PetActive Dermadog 0.5 Small Breed Garlic and Brewers Yeast Tablet 60tabsBIO PETACTIVE DERMADOG 0. 5 SMALL BREED GARLIC AND BREWERS YEAST TABLET 60 TABS Brewers Yeast & Garlic Tablet Fortified with Yucca, Biotin, B Vitamins, Vitamin E, Folic Acid, Amino Acids and Prebiotics. Supplementary feeds with Vitamins and Amino Acids made to protect skin and bowel health of cats, 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