Add whole grains such as quinoa or buckwheat to your salads for a gluten-free,carbohydrate-rich energy boost. Whole grains such as quinoa are especially beneficial to vegetarians due to their high protein content (12% to 18%). Quinoa has been widely used and revered for its high nutritional value since the time of the Incas. Click here to see how to prepare quinoa and all our other great recipes