The Healthiest Bean

The best bean:

1. Black
2. Lentil
3. Kidney
4. Pinto
5. Yellow split pea
6. Green split pea
7. Chickpea

NOTE: Lentil have Protein, Iron, Zinc, Folate three times better than Black Bean

Source: 

M. Dong, X. He, and R. H. Liu. Phytochemicals of black bean seed coats: Isolation, structure elucidation, and their antiproliferative and antioxidative activities. J. Agric. Food. Chem., 55(15):6044-6051, 2007.

D.M. Winham, A.M. Hutchins, C.S. Johnston. Pinto bean consumption reduces biomarkers for heart disease risk. J Am Coll Nutr, 26(3):243-9, 2007.

U.S. Department of Agriculture. Oxygen Radical Absorbance Capacity (ORAC) of Selected Foods 2007. November 2007.