Side effects of Probiotic Acidophilus BioBeads include increased stomach bloating and gas, notes WebMD. Rarely, people can experience serious infections or allergic reactions as a result of using this dietary supplement.
Probiotics generally have mild gastrointestinal side effects, explains MedicineNet. Some more severe side effects are possible, depending on an individual's tolerance. As of 2015, these supplements have not been thoroughly studied and are regulated as foods, not as drugs.
People use probiotic supplements to improve digestion and treat conditions such as irritable bowel, eczema and urinary tract infection. Probiotics may restore the balance of bacteria in a person's gut following the use of antibiotics, states WebMD. They are also used to treat ongoing lactose intolerance or an acute bout of diarrhea.
Probiotics are live microorganisms, of which there are multiple strains that can have different effects on digestion. The two most common groups of probiotics are lactobacillus and bifidobacterium. They are present in cultured and fermented foods such as yogurt, miso, tempeh and some soy beverages, according to MedicineNet. Probiotic supplements are available as capsules, tablets or powders. Some people take these supplements to maintain a strong immune system as the presence of friendly gut bacteria is essential to the body's ability to fight off infection.