How long does baby formula, prepared last?
Quick answer
Baby formula, prepared keeps 1 day in the refrigerator.
Fridge
After opening
1day
Freezer
No known time
-
Pantry
1hour
Mine has been in the fridge for
Refreeze after thawing in the fridge?
- United States
- Yes
- United Kingdom
- Only after cooking
How long does baby formula, prepared last in the refrigerator?
- Opened1 dayAfter opening
Refrigerators should be set to maintain a temperature of 40 °F or below.
Your fridge should be set between 0 and 5°C.
Can you freeze baby formula, prepared?
Can you refreeze baby formula, prepared?
- In the United StatesYes
- In the United KingdomOnly after cooking
Food thawed in the refrigerator can be refrozen without cooking, although there may be some loss of quality.
Foods thawed by the cold water method should be cooked before refreezing.
After cooking raw foods which were previously frozen, it is safe to freeze the cooked foods.
You can freeze food again once cooked, but you’ll only be able to reheat it once after that
Can baby formula, prepared be stored at room temperature?
- Opened1 hour
Frequently asked questions
How long does baby formula, prepared last in the refrigerator?
Opened: 1 day.
Can you refreeze baby formula, prepared?
In the United States: Yes; In the United Kingdom: Only after cooking.
Sources
We always show the most cautious time among official sources. Last verified: October 1, 2026.