Maintain the health with NOW Foods - D-Mannose Powder, a simple sugar that helps regulate, cleanse, and maintain the bladder lining and urinary tract. Metabolized in small amounts, D-Mannose will not affect the blood sugar regulation, as excess amounts are excreted rapidly in the urine. With regular supplementation, it promotes normal function of the urinary tract and maintains and cleanses the health of the bladder lining.