Glytactin® BUILD 10 - New 40% lower in Phe*

Glytactin BUILD is the lowest Phe GMP powdered medical food for PKU available!

Glytactin BUILD 10 is a versatile powdered medical food for PKU available for those on a low phenylalanine diet who are seeking more protein, fewer calories and lower Phe than other GMP-based PKU medical foods.

It includes a complete profile of vitamins and minerals and is neutral in flavor to be taken alone or as a way to build up the protein level of other PKU formulas or low protein food items. View our helpful tips for mixing BUILD.

  • 30-44% less Phe than other GMP PKU formulas
  • Only 10 mg Phe in 10 grams protein
  • 10g PE per packet
  • Only 54 calories per 10g PE
  • Only 2g total carbohydrates and no sugar
  • 100% natural protein boost – natural GMP plus naturally fermented amino acids**
  • Neutral taste
  • Convenient powder packet - just add to food, beverages or your PKU formula
  • Contains complete profile of vitamins and minerals
  • Contains probiotics to support digestive health
  • No artificial flavoring or coloring

Glytactin BUILD 10 is for use in the dietary management of phenylketonuria in people ages one year and older. BUILD 10 is intended for those ages 1 year and older who are under medical supervision for proven PKU. Protein in prescribed amounts must be supplemented to completely meet phenylalanine requirements. Work with your metabolic clinician to determine the daily protein intake (number of grams) you will use per day. Always use Glytactin BUILD 10 as directed by your physician or dietitian.

Glycomacropeptide, vitamin and mineral blend (calcium lactate, choline bitartrate, potassium phosphate, magnesium phosphate, ascorbic acid, vitamin E [dl-alpha-tocopheryl acetate], iron [ferrous fumarate], niacinamide, zinc sulfate, calcium d-pantothenate, manganese sulfate, vitamin B1 [thiamin mononitrate], vitamin B2 [riboflavin], vitamin B6 [pyridoxine HCl], copper gluconate, folic acid, vitamin A [palmitate], potassium iodide, sodium selenite, vitamin K1 [phylloquinone], vitamin K2 [menaquinone-7], sodium molybdate, chromium chloride, vitamin D3 [cholecalciferol], biotin, vitamin B12 [cyanocobalamin], potassium chloride), L-leucine, L-arginine, L-tyrosine, sunflower oil, maltodextrin, L-lysine acetate, L-histidine, L-tryptophan, natural flavor, Bacillus coagulans GBI-30 6086. Contains milk.

0.6 oz (16g) packet per 100g
Protein Equivalent, g 10 63
Calories 54 338
Phenylalanine, mg 10 62.5
Fat, g 0.5 3.1


30 x 0.6 oz (16g) packets


* Compared to previous Glytactin BUILD 10     ** Produced by fermentation categorized as a natural process by USDA