Acidophilus is a group of probiotics - Lactobacillus acidophilus is a bacteria present in both the vaginal and gastrointestinal tract. Acidophilus is one of the good bacteria that should be part of the daily diet. Our Store carries many beneficial nutritional supplements from Quality Brands which can be taken and ingested in different forms, such as a drink or in capsule form. [ AcidophilusArticle ]