Beef, round, knuckle, tip side, steak, separable lean and fat , trimmed to 0" fat, select, raw
Whole food · Beef Products
This is a lean, boneless cut from the round primal, specifically the tip side of the knuckle, trimmed of all visible fat. It offers a firm, dense texture with a clean, beefy flavor that's less marbled than premium cuts. Nutritionally, it's a powerhouse of high-quality protein with minimal fat and zero carbohydrates.
Calorie split: 75% protein · 0% carbs · 25% fat
↓ Full nutrition💚 Why it's loved
People love it for its lean, meaty flavor and remarkable versatility—it holds up well to high-heat searing, slow braising, and precise slicing for stir-fries. It's a budget-friendly cut that delivers satisfying, protein-rich meals without excess fat.
⚠️ Watch-outs & how to enjoy it better
Its low fat content can make it tough and dry if overcooked, which is a common pitfall. To counteract this, use moist-heat methods like braising or marinating, and avoid cooking past medium doneness. Pairing with a flavorful sauce or cooking it in a stew helps ensure tenderness.
Key benefits
- Excellent source of complete protein for muscle maintenance.
- Very low in fat and calories, ideal for lean diets.
- Rich in iron and B vitamins like B12 and niacin.
- Provides zinc for immune function.
- Zero carbohydrates, suitable for low-carb and ketogenic diets.
🍽️ Popular dishes
🌍 Where it's eaten
💡 Did you know?
The 'knuckle' is anatomically the animal's patella (kneecap) area, and this cut is essentially the large muscle mass surrounding it, making it a hardworking muscle group that benefits from slower cooking.
Full nutrition (USDA data · scales with serving)
| Water | 73.5 g |
| Energy | 123 kcal |
| Energy | 514 kj |
| Protein | 22.0 g |
| Total lipid (fat) | 3.2 g |
| Ash | 1.1 g |
| Carbohydrate, by difference | 0.00 g |
| Fiber, total dietary | 0.00 g |
| Total Sugars | 0.00 g |
| Calcium, Ca | 5.0 mg |
| Iron, Fe | 2.4 mg |
| Magnesium, Mg | 25.0 mg |
| Phosphorus, P | 219 mg |
| Potassium, K | 386 mg |
| Sodium, Na | 57.0 mg |
| Zinc, Zn | 5.7 mg |
| Copper, Cu | 0.10 mg |
| Manganese, Mn | 0.01 mg |
| Selenium, Se | 31.3 ug |
| Vitamin C, total ascorbic acid | 0.00 mg |
| Thiamin | 0.08 mg |
| Riboflavin | 0.20 mg |
| Niacin | 5.8 mg |
| Pantothenic acid | 0.82 mg |
| Vitamin B-6 | 0.62 mg |
| Folate, total | 7.0 ug |
| Folic acid | 0.00 ug |
| Folate, food | 7.0 ug |
| Folate, DFE | 7.0 ug |
| Choline, total | 91.1 mg |
| Betaine | 8.1 mg |
| Vitamin B-12 | 2.9 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) | 0.17 mg |
| Vitamin E, added | 0.00 mg |
| Tocopherol, beta | 0.01 mg |
| Tocopherol, gamma | 0.02 mg |
| Tocopherol, delta | 0.01 mg |
| Tocotrienol, alpha | 0.02 mg |
| Tocotrienol, beta | 0.00 mg |
| Tocotrienol, gamma | 0.00 mg |
| Tocotrienol, delta | 0.00 mg |
| Vitamin K (phylloquinone) | 0.20 ug |
| Vitamin K (Dihydrophylloquinone) | 0.00 ug |
| Vitamin K (Menaquinone-4) | 1.2 ug |
| Alcohol, ethyl | 0.00 g |
| Caffeine | 0.00 mg |
| Theobromine | 0.00 mg |
Fat & fatty acid profile (per 100g)
| Fatty acids, total saturated | 1.2 g |
| SFA 4:0 | 0.00 g |
| SFA 6:0 | 0.00 g |
| SFA 8:0 | 0.00 g |
| SFA 10:0 | 0.00 g |
| SFA 12:0 | 0.00 g |
| SFA 14:0 | 0.08 g |
| SFA 15:0 | 0.01 g |
| SFA 16:0 | 0.71 g |
| SFA 17:0 | 0.03 g |
| SFA 18:0 | 0.37 g |
| SFA 20:0 | 0.00 g |
| SFA 22:0 | 0.01 g |
| Fatty acids, total monounsaturated | 1.3 g |
| MUFA 14:1 | 0.02 g |
| MUFA 15:1 | 0.00 g |
| MUFA 16:1 | 0.10 g |
| MUFA 17:1 | 0.00 g |
| MUFA 18:1 | 1.2 g |
| MUFA 18:1 c | 1.1 g |
| MUFA 20:1 | 0.01 g |
| Fatty acids, total polyunsaturated | 0.27 g |
| PUFA 18:2 | 0.21 g |
| PUFA 18:2 n-6 c,c | 0.18 g |
| PUFA 18:3 | 0.01 g |
| PUFA 18:3 n-3 c,c,c (ALA) | 0.01 g |
| PUFA 18:3 n-6 c,c,c | 0.00 g |
| PUFA 18:4 | 0.00 g |
| PUFA 20:2 n-6 c,c | 0.00 g |
| PUFA 20:3 | 0.00 g |
| PUFA 20:4 | 0.05 g |
| Fatty acids, total trans | 0.12 g |
| Fatty acids, total trans-monoenoic | 0.09 g |
| TFA 18:1 t | 0.09 g |
| TFA 18:2 t,t | 0.03 g |
| Fatty acids, total trans-polyenoic | 0.03 g |
| Cholesterol | 61.0 mg |
Amino acid profile (per 100g)
| Tryptophan | 0.14 g |
| Threonine | 0.88 g |
| Isoleucine | 1.00 g |
| Leucine | 1.7 g |
| Lysine | 1.9 g |
| Methionine | 0.57 g |
| Cystine | 0.28 g |
| Phenylalanine | 0.87 g |
| Tyrosine | 0.70 g |
| Valine | 1.1 g |
| Arginine | 1.4 g |
| Histidine | 0.70 g |
| Alanine | 1.3 g |
| Aspartic acid | 2.0 g |
| Glutamic acid | 3.3 g |
| Glycine | 1.3 g |
| Proline | 1.0 g |
| Serine | 0.86 g |
| Hydroxyproline | 0.09 g |
FAQ
Is this the same as 'beef tip'?
Yes, 'beef tip' or 'sirloin tip' is a common retail name for this cut. It's not from the sirloin but from the round.
What's the best way to cook it to avoid toughness?
For quick cooking, slice it very thinly against the grain for stir-fries or sandwiches. For whole pieces, braise it slowly in liquid (like in a stew) to break down connective tissue and ensure tenderness.
How does it compare nutritionally to a ribeye?
Per 100g, this cut has about half the fat and calories of a typical ribeye, with a similar protein content. It's a much leaner choice.
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 1.23 kcal/g · 71% 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: 0.15 (lower is better — aim for ≤ 1)
Sodium:potassium per WHO potassium guidance. Computed from USDA nutrients.