Which food has less impact on blood sugar?

PIZZA CRUST: FLOUR (BLEACHED WHEAT FLOUR, MALTED BARLEY FLOUR, POTASSIUM BROMATE), WATER, SHORTENING (BEEF FAT, SOYBEAN OIL, BHA, BHT AND CITRIC ACID), SALT: (YELLOW PRUSSIATE OF SODA, MAY ALSO CONTAIN TRICALCIUM PHOSPHATE, DEXTROSE, POTASSIUM IODIDE, SODIUM BICARBONATE), DOUGH CONDITIONER: (WHEY, (MILK), L-CYSTEINE HYDROCHLORIDE), YEAST (SACCHAROMYCES CREVISIAE, SORBITAN MONSTEARATE, ASCORBIC ACID), SUGAR, CALCIUM PROPIONATE. SAUCE: [WATER, TOMATO PASTE (TOMATOES), SUGAR, SPICES (DEHYDRATED ONION, SALT, SPICES (BLACK PEPPER, BASIL), DEHYDRATED GARLIC, SOYBEAN OIL, SODIUM BENZOATE (2.63%))], PROVEL CHEESE: [CHEDDAR, SWISS, AND PROVOLONE CHEESE), (CULTURED PASTEURIZED MILK AND PART SKIM MILK, WATER, SODIUM PHOSPHATE, MILKFAT, SALT, CONTAINS LESS THAN 0.5% OF LACTIC ACID, SORBIC ACID AS A PRESERVATIVE, ENZYMES, SMOKE FLAVOR], PEPPERONI: (PORK AND BEEF, SALT, CONTAINS LESS THAN 2% OF WATER, PAPRIKA, DEXTROSE, NATURAL SPICES, SMOKE FLAVORING, LACTIC ACID STARTWR CULTURE, SODIUM ASCORBATE (VITAMIN C), FLAVORING, GARLIC POWDER, SODIUM NITRITE, BHA, BHT, CITRIC ACID. OREGANO AND GRATED ROMANO CHEESE: (PASTEURIZED COW'S MILK, CHEESE CULTURES, SALT, ENZYMES), OREGANO, POWDERED CELLULOSE (ANTI-CAKING AGENT).