Dr. Formulated Probiotics Once Daily Women €™s is a unique €œjust one capsule a day €� shelf stable probiotic. Once Daily Women's is a specifically designed vegetarian supplement with a high probiotic count to support a healthy microbiome and women €™s specific health needs. Dr. Perlmutter created this unique formula with a high count of beneficial probiotics made from diverse strains, including Lactobacilli and Bifidobacteria, that are resistant to stomach acid and bile, exclusively for women €™s digestion, immune system health. David Perlmutter, M.D., is an expert in the human microbiome, a board-certified neurologist, Fellow of the American College of Nutrition, America €™s brain-health expert and 1st New York Times best-selling author.