Medical Food

A tasteless, microencapsulated, powdered form of Riboflavin for individuals over the age of 1 year with Mitochondrial Cytopathies or Glutaric Acidemia Type II.

A Medical Food for the dietary management of Mitochondrial Cytopathies or Glutaric Acidemia. Not for the general population of consumers.

A tasteless, microencapsulated, powdered form of Riboflavin (Vitamin B2)

Allergen-free for egg, milk, fish, crustacean, soy, gluten, corn, tree nuts, and peanut.

Net weight: 100 g (3.3 oz)

Product Form

  • Powder


  • Diagnosed Mitochondrial Disorders
  • Glutaric Acidemia Type II


  • Tasteless – promotes better compliance
  • Does not stain

View Dietary Reference Intakes (DRI) Values

Cyto B2 Nutrition Information
1 level, unpacked, small white scoop = 75 mg powder = 25 mg riboflavin
1 level, unpacked, large white scoop = 300 mg powder = 100 mg riboflavin


Riboflavin, mono – and diglycerides

Directions for Use

The daily amount of Cyto B2 powder is to be determined by a physician or dietitian specialized in mitochondrial diseases or metabolic disorders and is based on age, body weight and metabolic condition of the patient. Cyto B2 should be consumed in equal portions throughout the day.

Each scoop of Cyto B2 contains:

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

Using one of the scoops enclosed, measure the recommended amount of Cyto B2. Consume directly by mouth or add to juices, beverages or sprinkle on top of or mix into food.


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


For individuals with a mitochondrial disease or an inborn error of metabolism. For enteral use only. Not to be used as a sole source of nutrition.

Additional information

Weight 0.56 lbs


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