How long can you leave oat milk unrefrigerated?
2 hours
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What happens if you don't refrigerate oat milk?
Oat milk left out for more than two hours (including overnight) should be discarded unless it is in an unopened, shelf-stable package. Even if the oat milk does not show signs of spoilage, it could have unsafe levels of bacteria and toxins produced by those bacteria
Does Oatly oat milk need to be refrigerated?
The 64 oz and 32 oz chilled cartons sold in grocery stores should always be refrigerated and consumed by the best by date. Once you open a carton, please refrigerate it and drink it within a week as noted on the carton.