The acid in yogurt stops the growth of harmful bacteria, but spoilage organisms like molds and yeasts can still grow. These won't give you food poisoning, but it pays to follow the best before date on these products if there is one. The USDA recommends refrigerating and consuming yogurt within one to two weeks of purchase or storing in the freezer for up to two months.

Liked this? Click on the Follow button above for more great stories from loveFOOD

Now discover the foods that should NEVER be kept in the refrigerator

35 Everyday Foods With A Surprising Shelf Life