HCY 1
is an iron-fortified infant formula & medical food powder that is free of the essential amino acid methionine. It’s specially designed for infants & toddlers with homocystinuria.
HCY 1 provides all other essential amino acids, as well as nonessential amino acids, carbohydrates, fat, essential fatty acids, vitamins, and minerals.
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Methionine-free, and has cystine
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Vitamin & mineral amounts meet the U.S. Infant Formula Act requirements per 100 Calories
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Increased amounts of B vitamins, compared to routine infant formulas, for cofactor production
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Pleasant vanilla scent & can be easily enhanced with other flavors
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Mixes easily & stays blended well
- Use under direct & continuing supervision of a doctor.
Corn Syrup Solids:
An easily digestible source of carbohydrates.
Plant-Based Oils:
Palm olein, coconut, soy, and high oleic sunflower oils have important fats for infant and toddler growth and development.
Amino Acids:
The amino acid profile is adapted to meet the needs of infants and toddlers with documented homocystinuria, supporting their growth and development.
Modified Corn Starch:
Serves as a source of carbohydrate, an emulsifier to prevent separation in formula.
Calcium Phosphate:
A source of calcium to support bone health.
Mortierella Alpina Oil & Crypthecodinium Cohnii Oil:
Sources of DHA and ARA, important for brain and eye development.
Ethyl Vanillin:
A flavoring agent.
Sodium Citrate:
A source of sodium.
Essential Minerals:
Essential minerals to support bone development, nerve function, and cellular activities.
Choline Chloride & Inositol:
Important nutrients to support brain development and overall growth.
Essential Vitamins:
Essential vitamins for immune support, bone health, and overall growth.
Taurine & L-carnitine:
Amino acids playing roles in central nervous system development and energy metabolism.
* A source of Arachidonic Acid (ARA)
† A source of Docosahexaenoic Acid (DHA)
Please refer to your product packaging for the most accurate information.
Last Updated: 7/18/25
Nutrients
* WARNING: This protein is incomplete since it does not contain the essential amino acid methionine.
Vitamins
Minerals
Please refer to your product packaging for the most accurate information.
Last Updated: 11/13/24





