Natren Bifido Factor Dairy Based® is step two in Natren®'s easy-to-use three-step probiotic supplement system for optimal digestive wellness. Bifido Factor® contains Bifidobacterium bifidum Malyoth super strain, 2 billion colony forming units (cfu) per 1/2 teaspoon. Bifidobacterium bifidum Malyoth super strain is the most potent and beneficial bifido bacteria available. It is available in powder (dairy and dairy free), and dairy-free capsules. Natren Bifido Factor®' Powder works in conjunction with Natren®'s other probiotic supplements: Megadophilus® and Digesta-Lac®.