Cyto® B2

Unflavored Riboflavin powder

A Medical Food for the dietary management of Mitochondrial Cytopathies or Glutaric Acidemia. A soluble, microencapsulated powder form of Riboflavin or Vitamin B2.

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Cyto® B2 is a Medical Food containing microencapsulated Vitamin B2. 

Product Form: Powder

Indications: Mitochondrial Cytopathies or Glutaric Acidemia Type II


  • Non-flavored and odor-free to promote better compliance
  • Orange, free-flowing powder that mixes into any beverage or food
  • Does not stain
  • It may be consumed orally or via tube feeding

Scoop Size: 

Grams per scoop Grams per Teaspoon Grams per Tablespoon
Scoop Size (cc) Powder Riboflavin Powder Riboflavin Powder Riboflavin
0.15 0.075 0.03 2.465 0.85 7.394 2.54
0.625 0.30 0.10 2.37 0.81 7.10 2.43

*This powdered formula comes with two different sized scoops.


Reimbursement Code: 57771-0007-03

HCPCS Code: A9270

Cyto® B2 is free of GMOs, artificial flavorings, and any preservatives. This product is allergen tested at No-Detectable Limit (NDL) for eggs, dairy, fish, crustacean, soy, gluten, corn, tree nuts, and peanut.

Net Weight: 3.3 oz (100 g)


Riboflavin, mono – and diglycerides

Directions for Use

Cyto® B2 is to be consumed orally or via tube feeding. The daily intake of this powder is to be determined by your physician or dietitian. It is formulated to be consumed or administered enterally under the supervision of a physician. 

Cyto® B2 should be consumed in equal portions throughout the day. Using the scoop provided, measure the amount of powder required to meet your serving requirements. Each scoop of Cyto® B2 contains:

  • Small white scoop = 25 mg of pure Riboflavin
  • Large white scoop = 100 mg of pure Riboflavin


  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 1 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.


All containers (opened or unopened bottles) should be kept in a cool, dry place (not in a (not in the refrigerator). Reseal unopened bottles and use within six months.


All containers (opened or unopened) should be kept in a cool, dry place (not in refrigerator). Reseal opened containers and use within 6 months.


This product is intended only for those under the supervision of a healthcare professional. It is not for the general population of consumers. Not for parenteral use or for use as a sole source of nutrition. This product is for individuals with mitochondrial cytopathies or glutaric acidemia over the age of 1 year.

Additional information

Weight 0.56 lbs
Dimensions 4 × 4 × 4 in


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