Dr. Ohhira's Probiotics, is an award-winning, totally vegetarian, hypoallergenic, non-GMO, bovine-free probiotic product formulated by acclaimed Japanese microbiologist Dr. Iichiroh Ohhira. OMX probiotic formula is guaranteed to re-populate the colon with the good microflora that is essential to a healthy immune system and overall good health Dr. Ohhiras Probiotics Original Formula is a unique blend of: PREbiotics Culture Medium fermented vegetables and mushrooms that nourish the probiotics* PRObiotics friendly bacteria that help you digest food and support immune response* POSTbiotics pH balancing organic acids along with naturally occurring vitamins, minerals, enzymes, and amino acids to support digestive function and whole health