Omschrijving
Some conventional foods containing probiotics are yogurt, fermented and unfermented milk, miso, tempeh, and some juices and soy beverages. In those foods, and in probiotic supplements, the bacteria may have been present originally or added during preparation. Most often, they come from two groups of bacteria, Lactobacillus or Bifidobacterium. Within each group, there are different species (for example, Lactobacillus acidophilus and Bifidobacterium bifidus), and within each species, different strains (or varieties).
