Flank Steak Nutrition Facts: Calories, Macros & Health Benefits
Summary: One piece (140g) of flank steak contains 368 calories, 37.8g protein, 0g carbs, and 23.0g fat. Flank Steak is a good source of saturated fat, cholesterol, potassium.

Nutrition Facts — one piece (140g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 368 kcal | 18% |
| Protein | 37.8g | 76% |
| Total Fat | 23.0g | 29% |
| Saturated Fat | 9.7g | 48% |
| Cholesterol | 100.8mg | 34% |
| Sodium | 98.0mg | 4% |
| Potassium | 471.8mg | 10% |
| Calcium | 8.4mg | 1% |
| Iron | 4.7mg | 26% |
| Magnesium | 32.2mg | 8% |
| Zinc | 8.1mg | 73% |
| Vitamin B6 | 0.49mg | 29% |
| Vitamin B12 | 4.6mcg | 192% |
| Folate | 12.6mcg | 3% |
| Vitamin K | 3.5mcg | 3% |
| Phosphorus | 358.4mg | 29% |
Is Flank Steak Good for You?
Flank Steak provides 368 calories per piece (140g) with 37.8g of protein, 0g of carbohydrates, and 23.0g of fat. It is a source of saturated fat (48% dv), cholesterol (34% dv), potassium (10% dv).
Key Health Benefits of Flank Steak
- Good source of saturated fat (48% dv)
- Good source of cholesterol (34% dv)
- Good source of potassium (10% dv)
- Good source of iron (26% dv)
- Good source of zinc (73% dv)
- Provides 37.8g of protein per serving
Frequently Asked Questions
How many calories is in flank steak?
One piece (140g) of flank steak contains 368 calories.
How much protein is in flank steak?
One piece (140g) of flank steak provides 37.8g of protein.
Is flank steak gluten-free?
Yes, flank steak is naturally gluten-free.
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Nutrition data sourced from USDA FoodData Central. Track flank steak and thousands of other foods with the Gram app.