D-Mannose powder

A Medical Food for the dietary management of Congenital Disorders of Glycosylation (CDG disorder), such as Phosphoglucomutase 1b (PGM 1b) deficiency.

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MannXtra® is a Medical Food and soluble powder containing 100% concentrated Mannose for Congenital Disorders dietary management of Glycosylation (CDG disorder) Phosphoglucomutase 1b (PGM 1b) deficiency. 

Product Form: Powder

Indications: Congenital Disorders of Glycosylation (CDG disorder), such as Phosphoglucomutase 1b (PGM 1b) deficiency


  • Gluten Free
  • No additives or preservatives
  • Pure D-Mannose powder
  • Soluble
  • Animal-free, non-BSE, non-GMO, and hypoallergenic
  • Plant-based
  • Does not contain any synthetic materials or ingredients 

Scoop size: 

  Grams per scoop Grams per Teaspoon Grams per Tablespoon
Scoop Size (cc) Powder Powder Powder
9 4.5 2.47 7.39

Reimbursement Code: 57771-0001-21

HCPCS Code: B4155

MannXtra® is free of GMOs, artificial flavorings, and any preservatives. MannXtra® is allergen tested at No-Detectable Limit (NDL) for eggs, dairy, fish, crustacean, soy, gluten, corn, tree nuts, and peanut.

Net Weight: 10.58 oz (300 g)



Directions for Use

MannXtra® is soluble in water and can be consumed either orally or via tube feeding. The daily intake of MannXtra® powder is to be determined by your physician or dietitian.

Oral or Tube Feeding

  1. Measure (using the scoop provided or a gram scale) the recommended amount of powder.
  2. For oral consumption, consume powder by either sprinkling on food or into liquids, or taken directly by mouth followed with water.
  3. For tube feeding, add powder in 4.5 g (one scoop) increments to the formula (room temperature or cold) and stir well. Stir or agitate tube feeding mixture if powder separates from formula during feeding. Formula mixture should be used within 4 hours.


Reseal opened bottles, store in a refrigerator, and use within three months


This product is intended only for those under the supervision of a healthcare professional. Not for parenteral use. Not for use as the sole source of nutrition. Only for individuals with Congenital Disorders of Glycosylation.

Additional information

Weight 0.83 lbs
Dimensions 4 × 4 × 4 in


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