High Potency Probiotic With Vitamin D3 is our unique and comprehensive blend of four strains of broad-spectrum “probiotic” (friendly ﬂora) species, delivering a high potency 30 Billion Colony Forming Units (CFU) per capsule. Numerous published studies have supported the beneﬁts of probiotics in human health. This product is intended to enhance and promote the population of beneﬁcial friendly ﬂora in the intestinal tract ecosystem to support overall digestive, immune, urinary, and genital system health.Probiotics literally mean “for life” and are the beneﬁcial microorganisms found in the human intestine. Probiotics are essential for healthy bowel function and optimal intestinal health. They are called “friendly bacteria” or “good bacteria” and displace the non-beneﬁcial or “bad bacteria” in the intestine. Factors that can destroy intestinal bacteria include; daily stress, aging, antibiotics and other drugs, travel, etc.