Natren Canine-Dophilus For Dogs 20 Ml Potency guaranteed through expiration. Perfect for all dogs with IBS, Celiac's disease or other gastrointestinal issues. Natural ingredients with no chemical fillers. May be used for dogs with loose stools, diarrhea, nutrient absorption problems. May be used following antibiotic or deworming therapy. Simple, accurate dosing. Backed by over 30 yrs of probiotic expertise by Natren.