It is a dietary supplement with probiotics. Probiotics are microorganisms that have to reach the intestine alive or active so that they can adhere to the mucosa and enrich and repopulate the intestinal flora. Probiotic bacteria are beneficial and you can't live without them and they can't live without humans, both are species that depend on each other. These beneficial bacteria are called probiotics. The best known are the Lactobacillus type (L. acidophilus, L. casei, L. rhamnosus, L. bulgaricus, L. plantarum, L. helveticus, L. sporogens...), the Bifidobacteria type (B. bifidus, B. longum...), but there are others, such as Lactococus lactis, Streptococcus thermophilus or Saccharomyces boulardii.