Cyto B1

Unflavored, soluble, thiamine powder

A Medical Food for the dietary management of Mitochondrial Cytopathies or Thiamine-Responsive disorders. A non-flavored, soluble, microencapsulated powder form of Thiamine or Vitamin B1.

FAQs Product Label


Cyto B1 is a Medical Food containing highly concentrated Vitamin B1. 

Product Form: Powder

Indications: Mitochondrial Cytopathies and Thiamine-Responsive disorders 


  • Non-flavored and soluble powder
  • It may be consumed orally or via tube feeding

Scoop Size: 


Scoop Size (cc)



Cyto B1





Reimbursement Code: 57771-0001-26

HCPCS Code: B4155

Cyto B1 is free of GMOs, artificial flavorings, and any preservatives. Cyto B1 is allergen tested at No-Detectable Limit (NDL) for eggs, dairy, fish, crustacean, soy, gluten, corn, tree nuts, and peanut.

View Dietary Reference Intakes (DRI) Values


Thiamine, mono & diglycerides

Directions for Use

Cyto B1 is to be consumed orally or via tube feeding. The daily intake of Cyto B1 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.

Using the scoop provided, measure the amount of Cyto B1 required to meet your serving requirements. Each scoop of Cyto B1 contains 90 mg of Thiamine (Vitamin B1).

  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 by 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. The formula mixture should be used within 4 hours.


Unopened bottles should be kept in a cool, dry place. Reseal unopened bottles and use within three months.


Unopened bottles should be kept in a cool, dry place. Reseal unopened bottles and use within three 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. Not for use as a sole source of nutrition, only for individuals with mitochondrial disease or thiamine-responsive disorders.

Additional information

Weight 0.35 lbs
Dimensions 4 × 4 × 4 in


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