Which food has less impact on blood sugar?

TUNA SALAD (TUNA [YELLOW FIN TUNA, WATER, SALT], MAYONNAISE [SOYBEAN OIL, WATER, WHOLE EGGS AND EGG YOLKS, VINEGAR, SALT, SUGAR, LEMON JUICE {FROM CONCENTRATE}, OLEORESIN PAPRIKA, NATURAL FLAVORS, CALCIUM DISODIUM EDTA {USED TO PROTECT QUALITY}, CELERY, SEASONING {MALTODEXTRIN, CULTURED DEXTROSE, SODIUM DIACETATE, SALT, SODIUM CHLORIDE, EGG WHITE LYSOZYME, NISIN PREPARATION}, DRIED ONION, SOYBEAN OIL, GARLIC SALT {SALT, DEHYDRATED GARLIC, SILICONE DIOXIDE {PREVENTS CAKING}], SALT, XANTHAN AND GUAR GUM [STANDARDIZED WITH DEXTROSE], SODIUM BENZOATE AND POTASSIUM SORBATE [PRESERVATIVES]), ROLL (UNBLEACHED ENRICHED WHEAT FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, YEAST, HIGH FRUCTOSE CORN SYRUP, SOYBEAN AND/OR CANOLA OIL, CONTAINS 2% OR LESS OF THE FOLLOWING: WHEAT GLUTEN, SALT, CULTURED WHEAT FLOUR, YEAST NUTRIENTS [MONOCALCIUM PHOSPHATE, CALCIUM SULFATE, AMMONIUM SULFATE], DOUGH CONDITIONERS [SODIUM STEAROYL LACTYLATE, MONOGLYCERIDES, ASCORBIC ACID, ENZYMES], CALCIUM PROPIONATE [PRESERVATIVE], VINEGAR, EXPELLER PRESSED SOY LECITHIN).