PKU sphere

PKU sphere™

A powdered medical food for the dietary management of Phenylketonuria. PKU sphere is Vitaflo’s first glycomacropeptide (GMP) based medical food and has a GMP-dominant protein source supplemented with amino acids, bringing patients the potential benefits of GMP without any compromise in nutritional profile. Suitable from 4 years of age.

PKU sphere is medical food intended for use under medical supervision.

Download the PKU sphere Datacard

What's GMP?
Glycomacropeptide (GMP) is a protein naturally low in phenylalanine. Protein substitutes based on GMP are regularly perceived to be more palatable than those based on amino acids1,2. Palatability of protein substitutes is key to compliance,3 making GMP an ideal alternative protein source for Phenylketonuria (PKU).
Key Features:
  • Available in 15g and 20g PE pre-measured sachets.
  • Contains a full range of micronutrients and DHA.
  • Each 15g PE sachet contains 28mg Phe and 20g PE sachet contains 36mg Phe.
  • Available in either Red berry or Vanilla flavor.
  • Contains just 91 calories and 1.7g sugar per 15g PE sachet. Contains just 120 calories and 2.2g of sugar per 20g PE sachet.

Product Number




PKU sphere 20 Red Berry

30 x 35g packets


PKU sphere 20 Vanilla

30 x 35g packets


PKU sphere 15 Red Berry

30 x 27g packets


PKU sphere 15 Vanilla

30 x 27g packets

Our product range for PKU

Inborn Errors of Metabolism