Style: Cold Ship For everyone looking for a powerful probiotic and prebiotic supplement to add to their daily health plan, Dr. Perlmutter formulated Once Daily. This convenient, one capsule per day formula promotes digestive balance, regularity and helps relieve occasional discomfort with 30 Billion CFU from 14 diverse beneficial probiotic strains including Lactobacillus acidophilus, that are resistant to stomach acid and bile, for DAILY digestive and immune system support. € Prebiotics help feed good bacteria in the gut, and we have included an Organic Prebiotic Fiber blend with Organic Potato and Organic Acacia (A. senegal) to help beneficial bacteria to thrive. Dr. Formulated Once Daily is proudly Third-Party Certified Non-GMO Project Verified and NSF Gluten-Free, as well as Vegetarian and Hypoallergenic (Dairy Free, Gluten Free, Soy Free and Wheat Free). The Doctor behind our Doctor Formulated line is David Perlmutter, M.D., America's Brain-Health Expert, a Board-Certified Neurologist, #1 New York Times best-selling author, Fellow of the American College of Nutrition, and expert in the human MICROBIOME.