NOW&ampreg; Gr8-Dophilus&amptrade; is a combination of 8 different species of beneficial bacteria designed to support gastrointestinal health and immune system function.&ampnbsp; FOS is also included in this product to assist healthy growth of acidophilus and bifidus organisms.&ampnbsp; Because this capsule is enteric coated, NOW&ampreg; Gr8-Dophilus&amptrade; delivers its microflora directly to the intestine, bypassing the harsh acidic conditions of the stomach.*Read more about probiotic support formulas from Your Health Professor