We know we are what we eat, but do we know what we're eating? Chances are, not really. Even the most conscientious label readers among us can be fooled, because too often those labels are lying.

It's sad, scary, and true. According to the Huffington Post, food fraud is a growing trend. So much of our food today is imported, and it's pretty easy to fool most consumers. So buyer beware, especially of the following five common foods that are prime targets for fake substitutes. You'll never view the contents of your grocery cart the same way again.