Lactobacillus crispatus is a type of beneficial bacteria that is commonly found in the female genital tract. Though it is known for its unique capabilities to maintain a healthy vaginal pH, it also goes by various names such as L. crispatus and Lactobacillus jensenii. These microorganisms produce lactic acid to help prevent the growth of harmful bacteria, which could lead to infections. In addition to these synonyms, L. crispatus is often referred to as vaginal lactobacilli, probiotics, and L. acidophilus. With its numerous health benefits, L. crispatus is gaining popularity as a useful supplement for women's health.