One of the most famous weight loss aids is protein shakes. These healthy drinks are designed to help you build muscle, which in turn boosts your body's natural metabolism. An increase in metabolism means that you lose more weight. However, as a vegan, it can be hard to find protein shakes that adhere to your vegan lifestyle as most shakes contain some form of animal byproduct. But not all hope is lost. Here are 14 of the best organic vegan protein powders for weight loss: