How Long Food Lasts

Baby Food

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.