is gizzard high in iron?
Nutrition and Benefits of Chicken Gizzards A one-cup serving of cooked chicken gizzards contains 223 calories, 44 grams of protein and 4 grams of fat, including 1 gram of saturated fat. 1﻿ They are an excellent source of iron and zinc, but high in cholesterol (536 milligrams) so they should be consumed in moderation.