Which food has less impact on blood sugar?

ALBACORE TUNA (ALBACORE TUNA, WATER, VEGETABLE BROTH [PEAS & CARROTS], SALT), DRESSING (SOYBEAN OIL, WATER, HIGHFRUCTOSE CORN SYRUP, DISTILLED VINEGAR, EGG YOLKS, MODIFIED FOOD STARCH, CONTAINS 2% OR LESS OF: SALT, MUSTARDFLOUR, ONION POWDER, CALCIUM DISODIUM EDTA [TO PROTECT FLAVOR], NATURAL FLAVORS), CELERY, RELISH (CUCUMBER, WATER, SALT, DISTILLED VINEGAR, CALCIUM CHLORIDE, XANTHAN GUM, LESS THAN 0.001% SODIUM BENZOATE [PRESERVATIVE], ALUM, NATURAL FLAVORS, DEHYDRATED RED BELL PEPPER, FD&C YELLOW #5, POLYSORBATE 80, FD&C BLUE #1), ONION, BREAD CRUMBS(BLEACHED WHEAT FLOUR, DEXTROSE, YEAST, SALT), SODIUM LACTATE AND SODIUM DIACETATE WITH SILICON DIOXIDE (FREE FLOW AGENT), MODIFIED FOOD STARCH, SEASONING (DEHYDRATED VEGETABLES [ONION, CARROTS, TOMATOES, CELERY, GREEN ONION, PEAS, GREEN BELL PEPPER, GARLIC], SALT, HYDROLYZED VEGETABLE PROTEIN, LACTOSE, SOYBEAN OIL, POTATO FLOUR, SPICE, NATURAL FLAVOR), RED PEPPERS, SEASONING (MALTODEXTRIN, BUTTERMILK, SALT, WHEY, SUGAR, NATURAL FLAVOR, GARLIC, ONION, LACTIC ACID, SPICES, CITRIC ACID, PARSLEY, ARTIFICIAL FLAVOR, GUAR GUM, LESS THAN 2% SILICON DIOXIDE ADDED TO PREVENT CAKING), GARLIC SALT, POTASSIUM SORBATE AND SODIUM BENZOATE (PRESERVATIVES).