Beef, top sirloin, steak, separable lean and fat, trimmed to 1/8" fat, all grades, cooked, broiled
Whole food · Beef Products
Photo: Wikipedia
A classic, lean cut of beef from the rear loin, the top sirloin steak offers a robust, beefy flavor with a firm yet tender texture when cooked properly. With a high protein content of nearly 27g per 100g and zero carbohydrates, it is a powerhouse for muscle maintenance and satiety. The trimmed fat provides just enough richness to enhance the taste without overwhelming the palate.
Calorie split: 46% protein · 0% carbs · 54% fat
↓ Full nutrition💚 Why it's loved
People love top sirloin for its deep, savory umami flavor and satisfying chew, which makes it a staple in American steakhouses and home grilling. Its versatility allows it to shine in everything from simple grilled steaks to hearty stir-fries, embodying a timeless comfort in meat-centric cuisines.
⚠️ Watch-outs & how to enjoy it better
The cut can be tough if overcooked or not sliced against the grain, which may deter those who prefer ultra-tender meats. To counteract this, marinate the steak for 30 minutes to an hour or use a meat mallet to tenderize before cooking; also, pair it with a fiber-rich side like roasted vegetables to balance the meal and aid digestion.
Key benefits
- Excellent source of complete protein for muscle repair
- Rich in essential minerals like iron, zinc, and selenium
- Zero carbohydrates, making it ideal for low-carb and ketogenic diets
- Contains B vitamins, particularly B12 and B6, for energy metabolism
🍽️ Popular dishes
🌍 Where it's eaten
💡 Did you know?
The sirloin cut was historically considered so prized in England that legend says King Henry VIII knighted it, dubbing it 'Sir Loin'—though this is likely a playful myth.
Full nutrition (USDA data · scales with serving)
| Water | 58.4 g |
| Energy | 243 kcal |
| Energy | 1019 kj |
| Protein | 27.0 g |
| Total lipid (fat) | 14.2 g |
| Ash | 1.1 g |
| Carbohydrate, by difference | 0.00 g |
| Fiber, total dietary | 0.00 g |
| Total Sugars | 0.00 g |
| Calcium, Ca | 20.0 mg |
| Iron, Fe | 1.7 mg |
| Magnesium, Mg | 22.0 mg |
| Phosphorus, P | 209 mg |
| Potassium, K | 336 mg |
| Sodium, Na | 56.0 mg |
| Zinc, Zn | 4.9 mg |
| Copper, Cu | 0.08 mg |
| Manganese, Mn | 0.01 mg |
| Selenium, Se | 29.2 ug |
| Fluoride, F | 22.4 ug |
| Vitamin C, total ascorbic acid | 0.00 mg |
| Thiamin | 0.07 mg |
| Riboflavin | 0.13 mg |
| Niacin | 7.2 mg |
| Pantothenic acid | 0.53 mg |
| Vitamin B-6 | 0.56 mg |
| Folate, total | 8.0 ug |
| Folic acid | 0.00 ug |
| Folate, food | 8.0 ug |
| Folate, DFE | 8.0 ug |
| Choline, total | 103 mg |
| Betaine | 13.5 mg |
| Vitamin B-12 | 1.6 ug |
| Vitamin B-12, added | 0.00 ug |
| Vitamin A, RAE | 0.00 ug |
| Retinol | 0.00 ug |
| Carotene, beta | 0.00 ug |
| Carotene, alpha | 0.00 ug |
| Cryptoxanthin, beta | 0.00 ug |
| Vitamin A, IU | 0.00 iu |
| Lycopene | 0.00 ug |
| Lutein + zeaxanthin | 0.00 ug |
| Vitamin E (alpha-tocopherol) | 0.44 mg |
| Vitamin E, added | 0.00 mg |
| Tocopherol, beta | 0.00 mg |
| Tocopherol, gamma | 0.00 mg |
| Tocopherol, delta | 0.00 mg |
| Vitamin D (D2 + D3), International Units | 9.0 iu |
| Vitamin D (D2 + D3) | 0.20 ug |
| Vitamin D3 (cholecalciferol) | 0.20 ug |
| Vitamin K (phylloquinone) | 1.6 ug |
| Alcohol, ethyl | 0.00 g |
| Caffeine | 0.00 mg |
| Theobromine | 0.00 mg |
Fat & fatty acid profile (per 100g)
| Fatty acids, total saturated | 5.6 g |
| SFA 4:0 | 0.00 g |
| SFA 6:0 | 0.00 g |
| SFA 8:0 | 0.00 g |
| SFA 10:0 | 0.04 g |
| SFA 12:0 | 0.03 g |
| SFA 14:0 | 0.43 g |
| SFA 16:0 | 3.4 g |
| SFA 18:0 | 1.7 g |
| Fatty acids, total monounsaturated | 5.9 g |
| MUFA 16:1 | 0.54 g |
| MUFA 18:1 | 5.4 g |
| MUFA 20:1 | 0.02 g |
| MUFA 22:1 | 0.00 g |
| Fatty acids, total polyunsaturated | 0.55 g |
| PUFA 18:2 | 0.37 g |
| PUFA 18:3 | 0.13 g |
| PUFA 18:4 | 0.00 g |
| PUFA 20:4 | 0.03 g |
| PUFA 20:5 n-3 (EPA) | 0.00 g |
| PUFA 22:5 n-3 (DPA) | 0.02 g |
| PUFA 22:6 n-3 (DHA) | 0.00 g |
| Cholesterol | 92.0 mg |
Amino acid profile (per 100g)
| Tryptophan | 0.18 g |
| Threonine | 1.1 g |
| Isoleucine | 1.2 g |
| Leucine | 2.1 g |
| Lysine | 2.3 g |
| Methionine | 0.70 g |
| Cystine | 0.35 g |
| Phenylalanine | 1.1 g |
| Tyrosine | 0.86 g |
| Valine | 1.3 g |
| Arginine | 1.7 g |
| Histidine | 0.86 g |
| Alanine | 1.6 g |
| Aspartic acid | 2.5 g |
| Glutamic acid | 4.0 g |
| Glycine | 1.6 g |
| Proline | 1.3 g |
| Serine | 1.1 g |
| Hydroxyproline | 0.28 g |
FAQ
How should I cook top sirloin steak for best results?
For optimal tenderness and flavor, grill or broil the steak to medium-rare (135°F internal temperature), then let it rest for 5-10 minutes before slicing against the grain.
Is top sirloin a healthy choice for weight management?
Yes, it's high in protein and low in carbs, which can promote fullness and help control calorie intake, but be mindful of portion sizes and cooking fats.
Can I use top sirloin in slow-cooked dishes?
While it's best for quick cooking methods, you can use it in slow-cooked dishes if you slice it thinly and add it near the end to prevent toughness.
Nutrient density (calculated · NRF9.3)
Nutrient Rich Foods index: beneficial nutrients (protein, fiber, vitamins, minerals) minus saturated fat, added sugar & sodium, per 100 kcal.
NRF9.3 index — Fulgoni, Keast & Drewnowski, 2009. Computed from USDA nutrients.
Weight-loss friendliness (composite index)
Energy density 2.43 kcal/g · 44% calories from protein · 0.0 g fiber · 0.0 g sugar per 100 g.
Composite of energy density (Rolls et al., 1999), protein & fiber satiety, minus sugar. A calculated heuristic — ranks satiety-per-calorie, not a clinical measure.
Dietary load (calculated from USDA values)
Potential renal acid load. Positive = acid-forming, negative = alkaline-forming.
Sodium-to-potassium ratio: 0.17 (lower is better — aim for ≤ 1)
Sodium:potassium per WHO potassium guidance. Computed from USDA nutrients.