In the freezer
Not recommended
Not recommended
Freezing kefir is not recommended; texture breaks down or the result is unsafe to rely on.
Quick answer
Freezing kefir is not recommended; texture breaks down or the result is unsafe to rely on. Store it in the fridge instead: 1–2 days.
How to freeze kefir
Freezing kefir is not recommended; texture breaks down or the result is unsafe to rely on. Keep it in the fridge and use within 1–2 days.
Freezer vs fridge vs counter
Per USDA FoodKeeper
On the counterCounter
2 hours
1 hour if above 90°F
In the fridgeFridge
1–2 days
at or below 40°F (4°C)
In the freezerFreezer
Not recommended
texture or safety suffers
On the counterCounter
Not recommended
keep it cold
In the fridgeFridge
1 week
at or below 40°F (4°C)
In the freezerFreezer
Not recommended
texture or safety suffers
More about kefir
FAQ
How long can you freeze kefir?
Freezing kefir is not recommended; texture breaks down or the result is unsafe to rely on.
How do you thaw frozen kefir?
Move it to the fridge the night before; this keeps texture best.
Can you refreeze kefir?
Only if it was thawed in the fridge and has not been left out. Quality drops each time.
Does freezing kill bacteria in kefir?
No. Freezing pauses bacteria; they become active again as the food thaws. Cook or reheat to a safe temperature.
Numbers on this page come from USDA FoodKeeper and FSIS guidance. Last verified November 2026. How we verify our data · Report a wrong number