Beef Flank Steak, Boneless, Choice, Raw — USDA FoodData Central nutrition facts (per 100g)

| Nutrient | Amount per 100g |
| --- | --- |
| Ash | 0.994 g |
| Calcium, Ca | 3.84 mg |
| Carbohydrate, by difference | 0 g |
| Cholesterol | 57.7 mg |
| Copper, Cu | 0.045 mg |
| Energy | 164 kcal |
| Energy (Atwater General Factors) | 164 kcal |
| Energy (Atwater Specific Factors) | 170 kcal |
| Fatty acids, total monounsaturated | 3.59 g |
| Fatty acids, total polyunsaturated | 0.314 g |
| Fatty acids, total saturated | 3.55 g |
| Fatty acids, total trans | 0.389 g |
| Iron, Fe | 1.83 mg |
| Magnesium, Mg | 18.9 mg |
| Manganese, Mn | 0.002 mg |
| Nitrogen | 3.22 g |
| Phosphorus, P | 167 mg |
| Potassium, K | 332 mg |
| Protein | 20.1 g |
| Sodium, Na | 51.3 mg |
| Total lipid (fat) | 9.4 g |
| Water | 69.8 g |
| Zinc, Zn | 5.56 mg |

Values are raw as published by USDA at the 100g basis — not rounded per 21 CFR 101.9(c) label-declaration rules, and 100g is USDA's publication basis, not a serving size any US nutrition label declares against.

Source: USDA FoodData Central, FDC ID 2646175, usda_ff (released 2026-04-30). https://bettermenu.live/tools/ingredient-search/us/foods/beef-flank-steak-boneless-choice-raw-2646175/