BioFit pills are loaded with probiotic strains, some of which are e... Going through its ingredients list will tell you that each of these strains is already a part of the human gut. It is just that the body becomes deficient when a person doesn’t take care of his diet. Additionally, weight gain also changes the gut microbiota, giving more chances to the harmful bacteria to take over the body. When a user starts taking BioFit capsules, it adds these essential probiotics back to the body, lost because of the dietary changes. Some of them improve the gut lining, help in food absorption, increase immunity, while others relieve chronic inflammation or detoxify the body.