OA 1 Infant Formula & Medical Food
OA 1 is an iron-fortified infant formula & medical food powder that is free of the essential amino acids isoleucine, methionine, threonine, and valine. It’s specially designed for infants & toddlers with propionic or methylmalonic acidemia (organic acidemias).
OA 1 provides all other essential amino acids, as well as nonessential amino acids, carbohydrates, fat, essential fatty acids, vitamins, and minerals.
- Isoleucine-, methionine-, threonine-, and valine-free, plus has DHA & ARA
- Vitamin & mineral amounts meet the U.S. Infant Formula Act requirements per 100 Calories
- Increased amounts of B vitamins, compared to routine infant formulas, for cofactor production
- Pleasant vanilla scent & can be easily enhanced with other flavors
- Mixes easily & stays blended well
- Use under direct & continuing supervision of a doctor
Available Formats and Sizes
OA 1 Infant Formula & Medical Food is available in 1 lb powder cans. If you want to stock up on OA 1 Infant Formula & Medical Food you can purchase it in cases of 6.
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 propionic and methylmalonic acidemias (organic acidemias), 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: 7/19/25
Nutrients
* WARNING: This protein is incomplete since it does not contain the essential amino acids isoleucine, methionine, threonine, and valine.
Vitamins
Minerals
Please refer to your product packaging for the most accurate information.
Last Updated: 11/13/24





