Dairy · Shelf Life · 2026
🥛 How Long Does Yogurt Last?
How long yogurt stays fresh after opening — and how to spot when it has gone off.
QUICK ANSWER
Opened yogurt lasts 1-2 weeks in the refrigerator. Unopened yogurt typically lasts 1-3 weeks past the sell-by date when kept properly refrigerated.
How Long Does Yogurt Last?
Signs Yogurt Has Gone Bad
- ⚠️ Strong sour smell beyond normal yogurt tang
- ⚠️ Pink, orange, or green mould
- ⚠️ Unusual bitterness
- ⚠️ Excessive watery separation with off smell
Yogurt Storage Tips
- Stir the liquid (whey) back into the yogurt rather than pouring it off
- Use a clean spoon each time to prevent contamination
- Cover with the original foil or plastic wrap
- Do not leave yogurt out for more than 2 hours
- Buy individual serving sizes to reduce waste
⚠️
A small amount of watery whey on top of yogurt is normal and harmless. Mould of any colour, however, means the entire container should be discarded.
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Frequently Asked Questions
Unopened yogurt is often safe 1-3 weeks past the sell-by date if properly refrigerated and shows no signs of spoilage. Use your senses to judge.
The liquid is whey — a natural byproduct of yogurt. It is safe to stir back in and does not indicate spoilage.
Yes — yogurt freezes for 1-2 months. Expect a grainy or separated texture after thawing, but it is fine for smoothies and baking.
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