“The glycemic index is based on a system where foods are ranked zero to 100 according to how drastically they cause blood sugar to rise,” says Vandana Sheth, RDN, CDCES, a Los Angeles-based ...

The glycemic index, or GI, is a tool for evaluating the ability of foods containing carbohydrates to raise blood sugar. When blood sugar increases, the hormone insulin is released to metabolize it. If ...

The way a food affects your blood sugar — the concentration of glucose in your blood — matters. In the short term, a meal that rapidly raises your blood sugar triggers the release of insulin, which ...