Value Per Nutrient Food 2.66 mg 100 grams Iron, Fe Fast foods, cheeseburger; single, regular patty; plain 2.66 mg 100 grams Iron, Fe Fast foods, cheeseburger, regular, double patty and bun, plain 2.66 mg 100 grams Iron, Fe Tofu, raw, firm, prepared with calcium sulfate 2.66 mg 100 grams Iron, Fe Beef, composite of trimmed retail cuts, separable lean and fat, trimmed to 1/8" fat, choice, cooked 2.66 mg 100 grams Iron, Fe Beef, round, top round, steak, separable lean only, trimmed to 1/8" fat, select, cooked, broiled 2.66 mg 100 grams Iron, Fe Beef, shoulder pot roast or steak, boneless, separable lean and fat, trimmed to 0" fat, choice, raw 2.66 mg 100 grams Iron, Fe Snacks, popcorn, air-popped, white popcorn 2.66 mg 100 grams Iron, Fe Game meat, bison, top round, separable lean only, 1" steak, raw