Dr. Formulated Probiotics Once Daily Women’s is a unique “just 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