Digging into a serving of pinto beans in a Mexican dish or as part of a stew provides a satisfying feeling that is customary upon eating many carbohydrates. As you chew these fiber-rich beans, however, you don't need to fret about the effect they're having on your blood sugar. Although pinto beans increase your blood sugar, they do so only minimally.
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Low Glycemic Load
Boiled pinto beans have a glycemic index of 14, while steamed pinto beans have a glycemic index of 33. In either type of preparation, pinto beans are a low-glycemic food, which means that while they'll increase your blood sugar, it won't rise as quickly as when you eat medium- or high-glycemic foods. The high amount of protein and fiber in pinto beans contributes to their low ranking on the glycemic index. High-fiber foods are valuable in preventing your blood sugar from rising too quickly.