Quest® D-Mannose 500 mg is a naturally occurring simple sugar that can help to prevent and treat recurrent urinary tract infections (UTIs). This exclusive formula is recommended for people who experience frequent UTIs as an effective alternative to antibiotic treatment that won’t disrupt normal intestinal microflora. Recommended use: Helps to prevent recurrent urinary tract infections. Recommendations: Adults take 2 capsules daily. Use for a minimum of four weeks to see benefi cial effects.