Commonly marketed as over-the-counter dietary supplements, acidophilus pills and tablets are available in most drug stores, at health and wellness stores and online. A helpful bacteria that grows naturally in the body, acidophilus regulates acid levels in the stomach and intestines to prevent the growth of harmful bacteria.
Acidophilus pills are used to help treat and prevent vaginal or oral yeast infections and urinary tract infections. The supplement may also help reduce occurrences of diarrhea caused by antibiotics. These pills are not approved by the Federal Drug Administration. Pregnant women, children and those who are breastfeeding should not take acidophilus supplements without a doctor's recommendation.