A ready-to-drink glycomacropeptide (GMP)-based low phenylalanine formula for use in the dietary management of Phenylketonuria (PKU).

PKU sphere liquid is getting updated. Now with lower Phe: 30 mg per 20 g protein equivalent.

PKU sphere liquid (bottle) is suitable from 1 year of age.

PKU sphere liquid (carton) is suitable from 3 years of age.


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  • A blend of GMP, essential and non-essential amino acids, carbohydrate, fat (including docosahexaenoic acid - DHA), vitamins and minerals.
  • 20 g protein equivalent in one 237 ml bottle.
  • Convenient resealable bottle to grab-and-go for easy options at school, work, or when traveling. If necessary, it is possible to recap and consume within 4 hours at room temperature or within 24 hours if refrigerated. Re-shake before use.
  • PKU sphere20 liquid will be available in a Tetra Pak® reducing the amount of virgin plastic by 76%*
  • Wide range of micronutrients to support adequate intake of nutrients lacking in the typical PKU diet.

*when comparing each individual plastic bottle to an individual Tetra Pak 

Bottle Carton
Bottle image Carton image
26.85 g plastic 6.57 g plastic

Nutrition Information

PKU sphere liquid

per 237 ml (1 bottle)

  • 120  


  • 20 g

    Protein Equivalent

  • 6.6 g 


  • 1.2 g

    Total Fat

  • 109 mg


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