In test-tube studies, researchers have found that D-mannose can help stop certain bacteria from sticking to the walls of the urinary tract. These bacteria include Escherichia coli, the pathogen responsible for the vast majority of urinary tract infections. However, scientists have yet to explore D-mannose's effectiveness against urinary tract infections in clinical trials.
Natural sources of D-mannose include cranberries. In fact, a number of studies indicate that drinking cranberry juice might help decrease incidence of urinary tract infections among people prone to this condition. To keep from going overboard on sugar, make sure to opt for the unsweetened variety when using cranberry juice to protect against urinary tract infections. Read the full article: D-Mannose - What You Need to Know.