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Cytolline® is a Medical Food for the dietary management of MELAS Syndrome, Urea Cycle disorders, or Nitric Oxide Production disorders. Cytolline® is a pure, soluble, and slightly sweet-tasting L-Citrulline powder. Refer to the FAQs listed on this page to learn more.

How much Cytolline® powder should I take each day?

Daily intake should be determined by your healthcare professional specializing in mitochondrial or metabolic disorders.

What type of Citrulline is used in Cytolline®?

Cytolline® uses L-Citrulline. The powder is 100% pure.

How much Citrulline is in one bottle?

The bottle contains 275 grams.

Is there a scoop in the bottle?

Yes, each bottle contains a 4cc scoop that delivers 3 grams of powder.

Does Cytolline® contain allergens?

This product is allergen tested at No Detectable Limit (NDL) for egg, dairy, fish, crustacean, soy, corn, gluten, tree nuts, and peanut. It is free of GMOs, added flavorings, added preservatives, and added sweeteners.

How should I consume Cytolline®?

It can be consumed either orally or tube feeding. Using the scoop, measure the recommended amount of Cytolline™. Consume directly by mouth or add to juices, beverages or sprinkle on top of or mix with food. For tube feeding, measure the needed powder and mix into the formula.

Can Cytolline® be tube fed?

Yes, the powder is soluble and will readily suspend in formulas.

How should Cytolline® be stored?

Unopened bottles should be kept in a cool, dry place. Reseal opened bottles, store in a cool location and use within 3 months

What are the ingredients in Cytolline®?

It is made only from citrulline and no other ingredients.

Is Cytolline® flavored?


Does Cytolline® contain any preservatives?


How does Cytolline® taste?

This product is naturally sweet tasting and readily soluble.

Is Cytolline® nutritionally complete?

No, it contains only L-Citrulline. It is not a source of macronutrients or other vitamins and minerals. This powder should not be used as a sole source of nutrition.