Why Take Ultra Probiotic-50? Did you know that your digestive system dictates whether you're sick or not? About 90% of your body's genetic material is owned by bacteria, fungi, and other microorganisms that compose your microflora. Ultra Probiotic-50 is an extra potent critical care supplement, for MEN and WOMEN, that helps support your digestive health, and overall well being. Contains the primary strains needed to support healthy digestion including Lactobacillus Acidophilus, Lactobacillus Casei, Lactobacillus Lactis, Lactobacillus Paracasei, Lactobacillus Plantarum, Lactobacillus Rhamnosus, Bifidobacterium Bifidum, Bifidobacterium Breve, Bifidobacterium Lactis, Bifidobacterium Longum.What is Sunfiber Prebiotics? Sunfiber is an essential dietary fiber and prebiotic thatstimulates the growth and activity of beneficial bacteria in the gut. (Patented by Taiyo Intl.) Contains no Maltodextrin or Stearates. Kosher, Gluten Free, Non-Dairy, and Non-GMO.