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HCY 2 – A medical food powder for children and adults

A medical food powder for children and adults with homocystinuria.


HCY 2 – A medical food powder for children and adults

HCY 2 is a medical food powder that is free of the essential amino acid methionine for children and adults with documented homocystinuria. The product provides all other essential amino acids as well as nonessential amino acids, carbohydrate, fat, essential fatty acids, vitamins and minerals. Use under direct and continuing supervision of a doctor.

Product Features:

  • Methionine-free
  • Cystine level is similar to the sum of cystine and methionine found in cow’s milk
  • 22 g protein equivalent/100 g powder
  • Suitable for someone with lactose intolerance
  • Vanilla scent
  • Can be easily modified with preferred flavor enhancers
  • Mixes easily and stays in suspension well
  • Vitamin and mineral levels appropriate for children and adults
  • Halal


Per 100 grams Powder
Protein equivalent, g *22
Fat, g8.5
Linoleic acid, mg4200
Carbohydrate, g61
Vitamins/Other Nutrients
Vitamin A, IU1730
Vitamin D, IU350
Vitamin E, IU12.2
Vitamin K, mcg47
Thiamin (Vitamin B1), mcg1430
Riboflavin (Vitamin B2), mcg1140
Vitamin B6, mcg1140
Vitamin B12, mcg2.9
Niacin, mcg26000
Folic acid (Folacin), mcg410
Pantothenic acid, mcg5700
Biotin, mcg57
Vitamin C (Ascorbic acid), mg57
Choline, mg98
Inositol, mg57
Calcium, mg730
Phosphorus, mg730
Magnesium, mg163
Iron, mg13.8
Zinc, mg13.8
Manganese, mcg1500
Copper, mcg1430
Iodine, mcg63
Selenium, mcg33
Chromium, mcg45
Molybdenum, mcg45
Sodium, mg590
Potassium, mg1100
Chloride, mg960

Product nutrient values and ingredients are subject to change. Please see product label for current information.

* WARNING: Protein is incomplete since it does not contain the essential amino acid methionine.

Nutrient Facts

Protein Equivalent (% Calories)*22
Fat (% Calories)19
Carbohydrate (% Calories)59
Lactose-freeSuitable for someone with lactose intolerance

* WARNING: Protein is incomplete since it does not contain the essential amino acid methionine.


Ingredients: Corn syrup solids, amino acids (L-glutamine, L-leucine, L-lysine hydrochloride, potassium aspartate, L-proline, L-valine, L-isoleucine, L-alanine, L-arginine, L-threonine, L-phenylalanine, L-tyrosine, L-serine, L-cystine, glycine, L-histidine, L-tryptophan), sugar, soy oil, modified corn starch, calcium phosphate, sodium citrate, magnesium phosphate, potassium chloride and less than 1%: sodium phosphate, potassium citrate, choline chloride, ascorbic acid, taurine, inositol, ferrous sulfate, L-carnitine, zinc sulfate, niacinamide, vitamin E acetate, vitamin A palmitate, calcium pantothenate, cupric sulfate, manganese sulfate, vitamin B12, thiamin hydrochloride, vitamin B6 hydrochloride, riboflavin, folic acid, vitamin D3, chromic chloride, sodium molybdate, sodium selenite, sodium iodide, biotin, vitamin K1, ethyl vanillin.

Amino Acid Composition

mg/100 g powder
mg/100 g powder
Aspartic Acid1760
Glutamic Acid3500

Preparation of Feedings


The medical professional will provide the correct amount of powder to mix with water for consumption.

It is important to follow the directions below.

Measure the correct amount of water into a suitable container for mixing. Then add the required amount of product. Mix well until blended. Consume the prepared beverage immediately or cover and refrigerate. Use within 48 hours of preparation. Mix before drinking.

If instructed to use the scoop in the can, each unpacked, level scoop delivers approximately 14.5 g of powder. Store DRY scoop in can.

Refer to the product label for the most accurate information.

CAUTION: Mead Johnson Nutrition HCY 2 is to be used only in the dietary management of children and adults with documented homocystinuria while under direct and continuing medical supervision.

WARNING: This product is nutritionally incomplete. Continuing medical supervision and frequent blood tests are required. HCY 2 must be supplemented using other food sources of protein and fluid to provide enough methionine to support dietary requirements of children and adults.

WARNING: Not for parenteral (I.V.) use.

Weight—one unpacked, level scoop (g)
HCY 214.5