Probiotic+ is a must have for anyone looking to promote a healthy gut and digestive track. Probiotics 40 Billion is a blend of 4 strains (40 billion CFU/g) of Probiotic Bacteria. Our Probiotic supplement is designed to provide a high potency and balance of beneficial bacteria. By taking this product on a regular basis Probiotic-40 can help assist in maintaining healthy intestinal flora. This supplement also contains FOS to help with acidophilus and bifidus.