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How Long Does Kefir (milk kefir) Last? — Shelf Life & Storage Guide
Must Knowdairy
❄️
Refrigerator: 2-3 weeks (unopened), 5-7 days (opened)
Freezer: 1-2 months
Overview
Kefir (milk kefir) lasts 2-3 weeks (unopened), 5-7 days (opened) in the fridge. Complete shelf life, storage tips, and spoilage signs.
Key Details
- Refrigerator: 2-3 weeks (unopened), 5-7 days (opened)
- Freezer: 1-2 months
- Pantry/Counter: Not recommended
- Category: Dairy
Why This Matters
- Spoilage sign: Extremely sour or bitter taste
- Spoilage sign: Separation is normal — mold on surface is not
- Spoilage sign: Pink or orange discoloration
- Spoilage sign: Bloated container
- Spoilage sign: Yeasty or off smell beyond normal tang
How To
- 1Separation into whey and curds is normal — shake before drinking
- 2Kefir lasts longer than yogurt due to higher probiotic and acid content
- 3Kefir grains can be frozen for backup — thaw in milk to reactivate
- 4Homemade kefir is ready when thick and tangy, usually 24-48 hours
- 5The longer it ferments, the more sour and lower in lactose it becomes
Tags
shelf-lifedairykefir-milk-kefirstoragefood-safety
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UsefulFrequently Asked Questions
Kefir (milk kefir) lasts 2-3 weeks (unopened), 5-7 days (opened) in the fridge.