3D molecular ball-and-stick model of D-mannose on a white background, a simple sugar used for urinary tract health.

D-mannose

Also known as: D-mannose, Mannose, 2-deoxy-D-mannose, D-mannose powder, Mannoz, Mannose monohydrate, Mannofructose

D-mannose is a naturally occurring sugar found in fruits such as cranberries and apples, commonly used as a dietary supplement to help prevent urinary tract infections (UTIs). UTIs are often caused by bacteria, particularly Escherichia coli (E. coli), adhering to the walls of the urinary tract. D-mannose works by entering the bloodstream and being filtered by the kidneys into the urinary tract, where it acts as a blocking agent. By preventing E. coli from attaching to the urinary tract walls, D-mannose can significantly reduce the likelihood of developing infections. Many individuals prone to...

Potential Side Effects

Side effects score: 2; D-mannose is generally considered safe for most people. However, some individuals may experience gastrointestinal upset, including diarrhea, bloating, or nausea. In rare instances, allergic reactions can occur, although severe side effects are uncommon.

Health Categories

View efficacy ratings for D-mannose across multiple health categories.

Research & Evidence

Our efficacy ratings are based on scientific research and clinical studies.

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