Dr. Formulated probiotics. 30 Billion. Pre+post+probiotics. 14 Probiotic strains. Digestive & immune. 3 x action formula. David Perlmutter, M.D. One of American's leading experts in the human microbiome. The preforpro difference clinically proven prebiotic that increases the growth of good bacteria, and limits the growth of bad bacteria. Increase: Good. Decrease: Bad. B. lactis only. B. lactis + preforpro. Grubb, et al. (2020). Triple action formula: A complete probiotic formula with Pre + pro + postbiotics, delivering digestive and immune system support. Prebiotic: Clinically studied to promote the growth of good bacteria. Probiotic: Featuring clinically studied strains proven to promote digestive & immune system health. Postbiotic: Our exclusive upcycled metabolites that support probiotic growth. Bifidobacteria: Time (24h); B. Lactis only. B. Lactis + postbiotic. Package size is determined by labeling information, not the number of servings in this container. The serving size and contents are clearly marked. Certified carbonfund.org. Carbon neutral product. Certified B Corporation.