
OA 1
OA 1 is an iron-fortified infant formula and medical food powder that is free of the essential amino acids isoleucine, methionine, threonine and valine for infants and young children with documented propionic and methylmalonic acidemias (organic acidemias). The product has the other essential amino acids as well as nonessential amino acids, carbohydrates, fats, essential fatty acids, vitamins and minerals. Use under direct and continuing medical supervision.
OA 1 has all the essential amino acids appropriate for babies and young children with documented organic acidemias, as well as nonessential amino acids, carbohydrates, fats, essential fatty acids, vitamins and minerals
- DHA and ARA
- Isoleucine-, methionine-, threonine- and valine-free
- Has choline, an essential nutrient important for brain development and the normal functioning of cells1,2
- Increased levels of B vitamins, compared to routine infant formulas, for cofactor production
- Vitamin and mineral levels meet the U.S. Infant Formula Act requirements per 100 Calories
Additional product features:
- Vanilla scent
- Mixes easily and stays in suspension well
- Kosher Dairy (OU-D), Halal
Ingredients: Corn syrup solids, vegetable oil (palm olein oil, coconut oil, soy oil, high oleic sunflower oil), amino acids (L-alanine, L-leucine, L-lysine hydrochloride, potassium aspartate, L-proline, L-arginine, glycine, L-phenylalanine, L-tyrosine, L-serine, L-histidine, L-tryptophan, L-cystine), modified corn starch, sugar, calcium phosphate and less than 1%: Mortierella alpina oil*, Crypthecodinium cohnii oil†, ethyl vanillin, sodium citrate, potassium citrate, magnesium oxide, ferrous sulfate, potassium chloride, zinc sulfate, cupric sulfate, manganese sulfate, sodium iodide, sodium selenite, choline chloride, inositol, ascorbic acid, niacinamide, calcium pantothenate, vitamin B6 hydrochloride, thiamin hydrochloride, riboflavin, vitamin D3, folic acid, biotin, vitamin K1, vitamin E acetate, vitamin A palmitate, vitamin B12, taurine, L-carnitine.
*A source of arachidonic acid (ARA).
†A source of docosahexaenoic acid (DHA).
| Per 100 grams Powder | |
|---|---|
| Calories | 500 |
| Protein equivalent, g* | 15.7 |
| Fat, g | 26 |
| Linoleic acid, mg | 4000 |
| Carbohydrate, g | 51 |
| Vitamins/Other Nutrients | |
| Vitamin A, IU | 1520 |
| Vitamin D, IU | 380 |
| Vitamin E, IU | 10 |
| Vitamin K, mcg | 40 |
| Thiamin (Vitamin B1), mcg | 1000 |
| Riboflavin (Vitamin B2), mcg | 1000 |
| Vitamin B6, mcg | 1000 |
| Vitamin B12, mcg | 2 |
| Niacin, mcg | 10000 |
| Folic acid (Folacin), mcg | 100 |
| Pantothenic acid, mcg | 3800 |
| Biotin, mcg | 38 |
| Vitamin C (Ascorbic acid), mg | 60 |
| Choline, mg | 124 |
| Inositol, mg | 86 |
| Minerals | |
| Calcium, mg | 660 |
| Phosphorus, mg | 440 |
| Magnesium, mg | 66 |
| Iron, mg | 9.6 |
| Zinc, mg | 7.2 |
| Manganese, mcg | 380 |
| Copper, mcg | 460 |
| Iodine, mcg | 76 |
| Selenium, mcg | 14.1 |
| Sodium, mg | 240 |
| Potassium, mg | 560 |
| Chloride, mg | 480 |
Product nutrient values and ingredients are subject to change. Please see product label for current information.
| Protein Equivalent (% Calories)* | 12 |
|---|---|
| Fat (% Calories) | 47 |
| Carbohydrate (% Calories) | 41 |
| Potential Renal Solute Load (mOsm/100 g powder)3 | 142 |
| Osmolality (mOsm/kg water)† | 370 |
| Osmolarity (mOsm/L)† | 330 |
| Lactose-free | Suitable for someone with lactose intolerance |
*WARNING: Protein is incomplete since it does not contain the essential amino acids isoleucine, methionine, threonine and valine.
†Determined at 20 Cal/fl oz dilution.
AMINO ACID COMPOSITION
| ESSENTIAL AMINO ACIDS | mg/100 g powder |
|---|---|
| Histidine | 470 |
| Isoleucine | 0 |
| Leucine | 2400 |
| Lysine | 1510 |
| Methionine | 0 |
| Cysteine | 290 |
| Phenylalanine | 790 |
| Tyrosine | 790 |
| Threonine | 0 |
| Tryptophan | 350 |
| Valine | 0 |
| NONESSENTIAL AMINO ACIDS | mg/100 g powder |
|---|---|
| Arginine | 1000 |
| Alanine | 4600 |
| Aspartic Acid | 1320 |
| Glutamic Acid | 0 |
| Glycine | 1000 |
| Proline | 1320 |
| Serine | 690 |
DILUTION INFORMATION FOR OA 1
Mixing instructions by calories, measures and displacement
Download dilution information ↗
POWDER
WARNING: A child’s health depends on carefully following the instructions below. Use only as directed by a medical professional. Improper hygiene, preparation, dilution, use or storage may result in severe harm. Powdered foods are not sterile and should NOT be fed to premature infants or infants who might have immune problems unless directed and supervised by a child’s medical professional.
Discuss with parents whether they need to use cooled, boiled water for mixing and whether they need to boil clean utensils, bottles and nipples in water before use.
The medical professional will provide instructions for the correct amounts of water and powder. Pour the required amount of water into the bottle/container. Add the correct amount of powder, cap the bottle/container and shake vigorously.
If instructed to use the scoop in the can, each unpacked, level scoop delivers approximately 4.5 g of powder. Store DRY scoop in can.
Failure to follow these instructions could result in severe harm. Once prepared, product can spoil quickly. Either feed immediately or cover and store in refrigerator at 35–40°F (2–4°C) for no longer than 24 hours. Do not use prepared product if it is unrefrigerated for more than a total of 2 hours. Do not freeze prepared product. After feeding begins, use product within 1 hour or discard.
WARNING: Do not use a microwave oven to warm product. Serious burns may result.
Refer to the product label for the most accurate information.
CAUTION: Mead Johnson Nutrition OA 1 is to be used only in the dietary management of infants and young children with documented propionic and methylmalonic acidemias while under direct and continuing medical supervision.
WARNING: This product is nutritionally incomplete. Care must be taken to provide enough isoleucine, methionine, threonine and valine to support growth using other foods with these amino acids as required. Medical professionals must carefully and constantly supervise use of OA 1 with other foods and liquids and adjust the diet based on frequent blood tests.
WARNING: Not for parenteral (I.V.) use.
Powder Storage: Store cans at room temperature. After opening can, keep tightly covered, store in a dry area and use contents within 1 month. Do not freeze powder and avoid excessive heat.
Use by date on bottom of can.
OA 1 IS AVAILABLE IN POWDER
When using this information, please note the following:
Coding systems and reimbursement allowable rates vary by payer:
- Medicare Part B uses HCPCS (Healthcare Common Procedure Coding System) to group products
- Medicaid systems vary by state; some use HCPCS while others use NDC format code or systems of their own—contact your state provider for more information
- Private health insurance and managed care companies may use HCPCS, NDC format code or their own system—contact your provider for more information

OA 1, Powder
Item #: 893201
Description: Powder
Unit Size: 1 lb can
Calories/Unit: 2270
Product Yield/Unit (fl oz): Varies
Case: 6 cans per case
HCPCS Code: B4162
NDC Format Code: 00087-5101-99
Contact a Mead Johnson representative to request information.
Metabolic Products Letter of Medical Necessity
Letters of medical necessity are available to help make accessing the Mead Johnson formula you recommend easier for your patients. Use this form for patients prescribed BCAD 1 or 2, GA, HCY 1 or 2, LMD, OA 1 or 2, PFD Toddler or PFD 2, Phenyl-Free 1 or 2, Phenyl-Free 2 HP, TYROS 1 or 2, WND 1 or 2, WND 2 HP, TYROS 1 or 2, or WND 1 or 2.
Increase dietary compliance with motivational interviewing
Use this toolkit to help incorporate motivational interviewing when counselling your patients and caregivers affected by metabolic disorders.
- Food and Nutrition Board, Institute of Medicine, Choline. In: Dietary References Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline. Washington, DC: National Academies Press; 1998:390-422.
- Zeisel SH, da Costa KA. Choline: an essential nutrient for public health. Nutr Rev.2009;67:615-623.
- Fomon SJ, Ziegler EE. Renal solute load and potential renal solute load in infancy. J Pediatr. 1999;134:11-14.