Tag: Rancid peanut butter

While many assume expired food is harmless, a small percentage of improperly stored peanut butter can develop serious issues. This article explores what happens when you eat expired peanut butter, the side effects to watch for, and how to stay safe.

According to the National Peanut Board, an opened jar of conventional peanut butter is safe in the pantry for up to three months. This leads many to ask: **Do you have to refrigerate peanut butter?** The answer is nuanced and depends largely on the type you buy, from processed to natural.