BioDoph-7 Plus. BioDoph-7 Plus contains a specific blend of 3 prebiotics and 7 probiotics extensively tested to ensure optimal colonization. Classically defined probiotics are "a preparation of or a product containing viable defined microorganisms in sufficient numbers which alter the microbiota (typically by colonization) in a compartment of the host and by that exert beneficial health effects in this host". Traditionally probiotics have consisted of species from the genera Lactobacillus and Bifidobacterium.