A double-blind study is one in which neither the participants nor the experimenters know who is receiving a particular treatment. This procedure is utilized to prevent bias in research results.
Total Dietary Fiber. Kidney beans contain more total dietary fiber per serving than the seven other most commonly consumed legumes in the United States, including black-eyed peas, chickpeas, lentils and black, navy, pinto and lima beans.
Pinto beans are an excellent source of molybdenum and a very good source of fiber and folate. Pinto beans are also a good source of copper, manganese, phosphorus, protein, phosphorus, vitamin B1, vitamin B6, magnesium, potassium, and iron.