Primadophilus Bifidus5 billion CFUs per capsule4 strain formula specifically designed for adultsBifidobacteria & Lactobacilli (see ingredients for full listing of strains)The True Guarantee of PrimadophilusThe Primadophilus brand is backed by an unparalleled True Guarantee that ensures consistent purity, potency and intestinal delivery. This 3 part guarantee includes:True Potency ensures 5 billion CFUs per capsule for the entire shelf lifeTrue Identity ensures only the strains listed on the label are found in the productTrue Release delayed release ensures stomach acid survival and intestinal delivery