How long does baby formula, prepared last?
Quick answer
Baby formula, prepared keeps 1 day in the fridge.
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 fridge?
- Opened1 dayAfter opening
Your fridge should be set between 0 and 5°C.
Refrigerators should be set to maintain a temperature of 40 °F or below.
Can you freeze baby formula, prepared?
Can you refreeze baby formula, prepared?
- In the United KingdomOnly after cooking
- In the United StatesYes
You can freeze food again once cooked, but you’ll only be able to reheat it once after that
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.
Can baby formula, prepared be kept out of the fridge?
- Opened1 hour
Frequently asked questions
How long does baby formula, prepared last in the fridge?
Opened: 1 day.
Can you refreeze baby formula, prepared?
In the United Kingdom: Only after cooking; In the United States: Yes.
Sources
We always show the most cautious time among official sources. Last checked: 1 October 2026.