Do Protein Shakes Make You Gain Weight?

Protein shakes are plugged by bodybuilders and fitness experts, but they have a lot of gray area in regards to what they do. Those people are often large and muscular, so the answers are not always obvious. Can protein shakes cause you to gain weight? Protein shakes are really a double-edged sword, they can make you gain weight, or with the right diet, can help you lose weight