Skirt Steak Nutrition Facts

FoodData Central Updated 6 April 2026

4 oz of skirt steak contains 185.3 calories, 23.9g protein, 0g carbs, and 10g fat. Skirt Steak is a protein-rich food. It is high in protein.

185.3

cal

0g

carbs

23.9g

protein

amino acids ↓

10g

fat

0g

fiber

0g

sugar

Vitamins in Skirt Steak

Per 4 oz ~113g

Vitamin A
2.26mcg
<1%
Vitamin D
0.11mcg
<1%
Vitamin E
0.16mg
1%
Vitamin K
1.69mcg
1%
Vitamin B6
0.5mg
29%
Vitamin B12
2.69mcg
112%
Thiamin (B1)
0.07mg
6%
Niacin (B3)
6.15mg
38%
Folate
3.39mcg
<1%

Minerals in Skirt Steak

Per 4 oz ~113g

Calcium
6.78mg
<1%
Iron
1.98mg
11%
Magnesium
23.7mg
6%
Phosphorus
171mg
14%
Potassium
307mg
7%
Sodium
74.6mg
3%
Zinc
7.07mg
64%
Selenium
26mcg
47%
Copper
0.1mg
11%
Manganese
0.1mg
4%

Amino Acids in Skirt Steak

Protein breakdown per 4 oz (113g), from the USDA record for this food.

Complete protein

Skirt Steak supplies all nine essential amino acids at or above the FAO/WHO adult reference pattern.

Essential Amino Acids Per 4 oz (113g) Per 100g % of Protein
Histidine 971mg 859mg 4.1%
Isoleucine 1219mg 1079mg 5.1%
Leucine 2250mg 1991mg 9.4%
Lysine 2515mg 2226mg 10.5%
Methionine 695mg 615mg 2.9%
Phenylalanine 1042mg 922mg 4.4%
Threonine 1229mg 1088mg 5.1%
Tryptophan 294mg 260mg 1.2%
Valine 1289mg 1141mg 5.4%
Other Amino Acids Per 4 oz (113g) Per 100g % of Protein
Alanine 1562mg 1382mg 6.5%
Arginine 1755mg 1553mg 7.3%
Aspartic Acid 2527mg 2236mg 10.6%
Cystine 262mg 232mg 1.1%
Glutamic Acid 4266mg 3775mg 17.8%
Glycine 1127mg 997mg 4.7%
Proline 1098mg 972mg 4.6%
Serine 1061mg 939mg 4.4%
Tyrosine 976mg 864mg 4.1%

Protein quality is scored against the FAO/WHO/UNU 2007 adult indispensable amino acid reference pattern. The FDA publishes no Daily Values for individual amino acids, so the share of total protein is shown instead.

Learn More About Skirt Steak

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Verified Nutrition Data

Trusted & Verified Nutritional Information

All nutritional data on Food Index is sourced from official U.S. government databases and verified by nutrition experts at leading federal agencies.

USDA Official Source
FDA Safety Standards
HHS Health Standards
NIH Research Verified

Laboratory Analyzed

Nutrient values from certified lab analysis

Peer Reviewed

Data reviewed by nutrition scientists

Regularly Updated

Synced with latest official database releases

Nutritional values are based on standard reference data and may vary slightly based on preparation methods, brands, and natural variation in foods. Always consult with a healthcare professional for personalized dietary advice.