Consumer Reports tested six different brands of canned black beans, and a half-cup contained up to 450 mg of sodium. That’s about 20 percent of the maximum 2,300 mg you should have in a day.

Consumer Reports tested six different brands of canned black beans and a half cup contained up to 450 mg of sodium. That’s about 20 percent of the maximum 2,300 mg you should have in a day.