How Long Does Oat Milk Last?
Quick Answer
Oat Milk lasts 6-12 months when unopened. Once opened, it should be used within 7-10 days.
Shelf Life by Storage Condition
| Storage Condition | Duration |
|---|---|
| Pantry (Unopened) | 6-12 months |
| Pantry (Opened) | Not applicable |
| Refrigerator (Unopened) | Up to 1 month (if refrigerated) |
| Refrigerator (Opened) | 7-10 days |
| Freezer | Not applicable |
How to Tell If It Has Gone Bad
- Sour or off smell
- Curdling or separation that doesn't mix when shaken
- Change in color (darker or yellowish tint)
- Off or sour taste
Proper Storage Tips
- Store unopened oat milk in a cool, dry place away from direct sunlight.
- Refrigerate immediately after opening and keep tightly sealed.
- Do not freeze oat milk as it can cause separation and texture changes.
Risks of Using Expired Oat Milk
Consuming expired oat milk can lead to gastrointestinal discomfort such as nausea, vomiting, or diarrhea due to bacterial growth. Spoiled oat milk may harbor harmful bacteria or molds that can cause foodborne illness, especially in sensitive individuals.
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Frequently Asked Questions
How long does Oat Milk last?
Unopened oat milk lasts 6-12 months at room temperature; once opened, it should be consumed within 7-10 days if refrigerated.
Does Oat Milk expire?
Yes, oat milk has an expiration date and will spoil after that time, especially once opened.
How can you tell if Oat Milk has gone bad?
Signs include a sour smell, curdling or separation that doesn’t mix when shaken, discoloration, and an off or sour taste.