People shop inside a Metro grocery store in Toronto, on July 18. Depending on the type of food, it may still be ok to eat some foods that are past their best before dates. Cole Burston/The ...

Eggs As another high-protein food, eggs are one of the best foods to eat after fasting. Eggs are a complete source of protein, which means that they contain all nine essential amino acids.

However, eating a variety of antioxidant-rich foods is believed to help reduce the risk. Furthermore, such foods can benefit other areas of the body, including the skin, eyes, and gut.

Pasta can still safely be eaten past the best before date, as long as the box stays dry, but Sandberg said the older it gets the less you'll want to eat it. "As long as there's no gain in moisture ...