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.


Each easy-to-swallow capsule of Quest D-Mannose 500 mg contains 500 mg of D-Mannose from beech wood (Fagus grandifolia) and birch (Betula pendula). This product contains no artificial preservatives, colours, or flavours, starch, dairy, wheat, gluten, or yeast.

Recommended Daily Allowance:  N/A
Food Sources:  N/A
Cause of Deficiency:  E. coli bacteria.
Symptoms of Deficiency:  Urinary tract infections.
Complementary Nutrients:  Adequate intake of water.

Recommended Use

For the natural treatment of urinary tract infections.


Adults and children over 12 years of age take 1 to 2 capsules twice daily at the first sign of a urinary tract infection.

Side Effects

No side effects expected at recommended dosage.

About Quest Vitamins

Quest was started in the 1950's by a vegetarian weightlifter who was passionate in leading the industry by providing quality products with great formulations. 'Quality without Question' was then created and followed throughout the years. Today, with Purity Life, it isn't just 'Quality without Question' - it is 'Expecting Excellence'. Quest continues to provide innovative products using a 'back-to-basics' philosophy, creating a balance of body, mind and spirit.

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