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What is D-Mannose?

D-Mannose is a simple sugar that occurs naturally in apples, peaches, cranberries, other berries and some plants.

Absorbed by the body eight times slower than glucose, D-Mannose is not converted into glycogen or stored in the liver when ingested. Instead, as D-Mannose is excreted, it passes through the kidneys, fills the bladder, and flushes the urinary tract during urination. It also does not interfere with blood sugar regulation.

D-Mannose was originally identified as an aldohexose by the German chemist Hermann Emil Fischer in 1894. Fischer won the Nobel Prize for Chemistry in 1902 for his work with sugars and purine synthesis. His greatest success however, was in 1890 when he synthesized glucose, fructose and mannose from glycerol.

Health Benefits of D-Mannose

D-Mannose is best known for its protective properties in the bladder and urinary tract. It is considered more effective than cranberry for promoting a healthy bladder and urinary tract.

The sugars in D-mannose coat the lining of the bladder and urinary tract when they pass through the body, surrounding bacteria cells, which makes it impossible for them to stick to the walls of the bladder and urinary tract. The bacteria is then excreted out of the body through urination.

Purity and Concentration of D-Mannose

D-Mannose is free of any other ingredients including fillers, taste additives and anti-caking agents.

Suggested Use of D-Mannose

The suggested use of D-Mannose is 500 milligrams to 2000 milligrams (2 grams) taken up to three times per day. A 1/4 teaspoon serving yields 519 milligrams and a 1 teaspoon serving yields 2076 milligrams. You can see the full bulk density/volumetric conversion chart for D-Mannose here.

Potential Side Effects of D-Mannose

D-Mannose is safe at suggested serving sizes. In fact, D-Mannose is considered to be the safest of all sugars because it is the only sugar with no known toxicity level. However, taking large amounts of D-Mannose (over 500 grams/day) on a regular basis could reduce the amount of other nutrients absorbed from the diet. It would also likely cause diarrhea, as is common with other sugars. D-Mannose is not recommended for women who are pregnant or nursing.

Preparation and Solubility of D-Mannose

D-Mannose is soluble in water. It tastes slightly sweet and has a slightly bitter aftertaste. It can be mixed in water, tea (except green tea), some fruit juices, or most beverages. It should not be mixed in acidic drinks such as coffee, green tea, citrus or cranberry juice. The powder can also be put in empty capsules, which PureBulk also sells.

References and Further Research

Mannose.org.uk: D-Mannose, The Sugar with the Hook!

Healing Therapies: D-Mannose and Urinary Tract Infections

Livestrong: What are the Benefits of D-Mannose?

NOTE: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

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