Can Sealed Flour Go Bad?

Flour has a long shelf life but generally goes bad after 3–8 months. ... You can extend flour's shelf life by sealing it properly or refrigerating or freezing it. Be sure to throw out your flour if it has any unpleasant odors, discoloration, or mold growth.

CAN expired flour make you sick?

However, there is a small chance that eating expired flour might make you sick. “If rancid flour contains large amounts of mycotoxins, it can make you sick,” explains Knauer. ... Spoiled flour will smell slightly sour, but eating it typically doesn't cause any real harm.

Does flour expire if unopened?

There are several types of flour, but the most common are whole wheat and white. Wheat flour has a shelf life of up to six months if stored unopened in the pantry. Once you've opened it, keeping flour refrigerated can extend its shelf life to eight months.