Flank Steak Nutrition Facts 2026: Full Macro, Vitamin, and Mineral Data
A 3-ounce cooked serving of flank steak delivers approximately 170 to 180 calories, 23 grams of complete protein, 8 grams of total fat, and zero carbohydrates. This lean beef cut also packs substantial amounts of iron, zinc, and vitamin B12 into a single serving. According to the USDA FoodData Central database, flank steak qualifies as…