Kidney beans are a low-cost, versatile food with many nutritional and health benefits. Adding kidney beans to your meals is a simple way to increase protein and fiber without adding many calories to your diet. While red kidney beans are the most common, white, purple, and even striped kidney beans are available to brighten up your plate. Kidney beans are primarily made up of carbohydrates and fiber, but they also provide a good source of protein.
Kidney beans are a common bean (Phaseolus vulgaris), a Central American and Mexican legume.