Powering our appetite for protein

Proteins, whether from whey, plants or animals, are essential for building muscle. Last year, approximately 71% of consumers identified protein as the nutrient they most frequently try to eat. That's an appetite corporate America is more than happy to feed – even though protein often doesn't taste very good. Lee Cowan looks at how companies like General Mills are developing protein-fueled products, and how Americans may be consuming more protein than they need.