Which food has less impact on blood sugar?

CEREAL (WHOLE GRAIN CORN, SUGAR, CORN MEAL, CORN SYRUP, COCOA PROCESSED WITH ALKALI, CANOLA OIL, CARAMEL COLOR, SALT, FRUCTOSE, REFINER'S SYRUP, BAKING SODA, NATURAL FLAVOR. VITAMINS AND MINERALS: TRICALCIUM PHOSPHATE, CALCIUM CARBONATE, VITAMIN C (SODIUM ASCORBATE), IRON AND ZINC (MINERAL NUTRIENTS), A B VITAMIN (NIACINAMIDE), VITAMIN B6 (PYRIDOXINE HYDROCHLORIDE), VITAMIN B (THIAMIN MONONITRATE), VITAMIN A (PALMITATE), VITAMIN B (RIBOFLAVIN), A B VITAMIN (FOLIC ACID), VITAMIN B12, VITAMIN D3), CHOCOLATE FLAVORED COATING (SUGAR, FRACTIONATED PALM KERNEL OIL, NONFAT MILK, COCOA PROCESSED WITH ALKALI, SOY LECITHIN, NATURAL FLAVOR), CORN SYRUP, CHOCOLATE FLAVORED CHIPS (SUGAR, PALM KERNEL AND/OR PALM OIL, COCOA PROCESSED WITH ALKALI, NONFAT MILK, SOY LECITHIN, VANILLA EXTRACT), CHOCOLATE FLAVORED CRISP RICE (RICE FLOUR, COCOA PROCESSED WITH ALKALI, SUGAR, MALT EXTRACT, SALT, CARAMEL COLOR, BHT TO RETAIN FRESHNESS), MARSHMALLOW BITS (SUGAR, CORN SYRUP, MODIFIED CORN STARCH, GELATIN, NATURAL AND ARTIFICIAL FLAVOR, SODIUM HEXAMETAPHOSPHATE, BLUE 1), FRUCTOSE, HIGH FRUCTOSE CORN SYRUP, SUGAR, CANOLA OIL, WHOLE WHEAT FLOUR, CALCIUM CARBONATE, BROWN RICE FLOUR. CONTAINS 2% OR LESS OF: VEGETABLE GLYCERIN, MALTODEXTRIN, COCOA PROCESSED WITH ALKALI, SORBITOL, WHOLE OAT FLOUR, YELLOW CORN FLOUR, NOT A SIGNIFICANT SOURCE OF VITAMIN D AND POTASSIUM. CARAMEL COLOR, SALT, GELATIN, MODIFIED WHEAT STARCH, NATURAL AND ARTIFICIAL FLAVOR.