💎 Key Nutrients
What Is Beef Top Sirloin Steak? Origin and Varieties
❤️ Health Benefits
Supports Muscle Growth and Repair
High‑quality complete protein provides essential amino acids required for muscle protein synthesis.
Evidence: StrongContributes to Iron Status
Heme iron in beef is more bioavailable than plant sources, aiding in oxygen transport and preventing anemia.
Evidence: ModerateRich in B Vitamins
B vitamins like B12 and niacin support energy metabolism, neurological function, and red blood cell production.
Evidence: StrongMay Support Healthy Aging
Protein and amino acids contribute to maintenance of lean mass and physical function in older adults.
Evidence: PreliminaryPotential Effect on Heart Disease Biomarkers
Lean red meat intake exhibits minimal impact on many blood lipid parameters but may slightly raise LDL cholesterol.
Evidence: Moderate⚖️ Comparisons
Ribeye typically has higher total and saturated fat compared to lean top sirloin.
Chicken breast is lower in saturated fat and calories per similar protein serving.
Pork tenderloin and top sirloin have similar lean protein profiles, but beef offers more iron.
🧊 Storage Guide
- smell: Sour or rotten odor
- visual: Discoloration (greenish or brown)
- texture: Slimy or sticky surface
- when to discard: Any off smell or sliminess
👥 Special Considerations
elderly
Why: Helps maintain muscle mass and functional status.
Recommendation: Regular lean servings
athletes
Why: Supports muscle repair and iron status.
Recommendation: Higher priority
children
Why: Provides growth‑supporting protein and micronutrients.
Recommendation: Offer appropriate portion
pregnancy
Why: Provides iron and B12 supporting maternal needs.
Recommendation: Include lean beef in moderation
breastfeeding
Why: Supports increased nutrient demands.
Recommendation: Moderate servings
🔬 Detailed Nutrition Profile (USDA)
Common Portions
| Nutrient | Amount | Unit |
|---|---|---|
| Water | 62.9800 | g |
| Energy | 183.0000 | kcal |
| Energy | 764.0000 | kJ |
| Protein | 30.5500 | g |
| Total lipid (fat) | 5.7900 | g |
| Ash | 1.3100 | g |
| Carbohydrate, by difference | 0.0000 | g |
| Fiber, total dietary | 0.0000 | g |
| Total Sugars | 0.0000 | g |
| Calcium, Ca | 20.0000 | mg |
| Iron, Fe | 1.9600 | mg |
| Magnesium, Mg | 26.0000 | mg |
| Phosphorus, P | 244.0000 | mg |
| Potassium, K | 393.0000 | mg |
| Sodium, Na | 64.0000 | mg |
| Zinc, Zn | 5.7100 | mg |
| Copper, Cu | 0.0910 | mg |
| Manganese, Mn | 0.0110 | mg |
| Selenium, Se | 35.8000 | µg |
| Vitamin C, total ascorbic acid | 0.0000 | mg |
| Thiamin | 0.0830 | mg |
| Riboflavin | 0.1550 | mg |
| Niacin | 8.7410 | mg |
| Pantothenic acid | 0.6010 | mg |
| Vitamin B-6 | 0.6560 | mg |
| Folate, total | 10.0000 | µg |
| Folic acid | 0.0000 | µg |
| Folate, food | 10.0000 | µg |
| Folate, DFE | 10.0000 | µg |
| Choline, total | 116.3000 | mg |
| Betaine | 15.3000 | mg |
| Vitamin B-12 | 1.7100 | µg |
| Vitamin B-12, added | 0.0000 | µg |
| Vitamin A, RAE | 0.0000 | µg |
| Retinol | 0.0000 | µg |
| Carotene, beta | 0.0000 | µg |
| Carotene, alpha | 0.0000 | µg |
| Cryptoxanthin, beta | 0.0000 | µg |
| Vitamin A, IU | 0.0000 | IU |
| Lycopene | 0.0000 | µg |
| Lutein + zeaxanthin | 0.0000 | µg |
| Vitamin E (alpha-tocopherol) | 0.3900 | mg |
| Vitamin E, added | 0.0000 | mg |
| Tocopherol, beta | 0.0000 | mg |
| Tocopherol, gamma | 0.0000 | mg |
| Tocopherol, delta | 0.0000 | mg |
| Vitamin D (D2 + D3), International Units | 4.0000 | IU |
| Vitamin D (D2 + D3) | 0.1000 | µg |
| Vitamin D3 (cholecalciferol) | 0.1000 | µg |
| Vitamin K (phylloquinone) | 1.4000 | µg |
| Vitamin K (Dihydrophylloquinone) | 0.0000 | µg |
| Fatty acids, total saturated | 2.2050 | g |
| SFA 4:0 | 0.0000 | g |
| SFA 6:0 | 0.0000 | g |
| SFA 8:0 | 0.0000 | g |
| SFA 10:0 | 0.0020 | g |
| SFA 12:0 | 0.0070 | g |
| SFA 14:0 | 0.1570 | g |
| SFA 16:0 | 1.2840 | g |
| SFA 18:0 | 0.7550 | g |
| Fatty acids, total monounsaturated | 2.3100 | g |
| MUFA 16:1 | 0.1730 | g |
| MUFA 18:1 | 2.1350 | g |
| MUFA 20:1 | 0.0020 | g |
| MUFA 22:1 | 0.0000 | g |
| Fatty acids, total polyunsaturated | 0.2130 | g |
| PUFA 18:2 | 0.1690 | g |
| PUFA 18:3 | 0.0160 | g |
| PUFA 18:4 | 0.0000 | g |
| PUFA 20:4 | 0.0280 | g |
| PUFA 20:5 n-3 (EPA) | 0.0000 | g |
| PUFA 22:5 n-3 (DPA) | 0.0000 | g |
| PUFA 22:6 n-3 (DHA) | 0.0000 | g |
| Cholesterol | 82.0000 | mg |
| Tryptophan | 0.2010 | g |
| Threonine | 1.2200 | g |
| Isoleucine | 1.3900 | g |
| Leucine | 2.4300 | g |
| Lysine | 2.5810 | g |
| Methionine | 0.7950 | g |
| Cystine | 0.3940 | g |
| Phenylalanine | 1.2070 | g |
| Tyrosine | 0.9730 | g |
| Valine | 1.5150 | g |
| Arginine | 1.9750 | g |
| Histidine | 0.9750 | g |
| Alanine | 1.8570 | g |
| Aspartic acid | 2.7820 | g |
| Glutamic acid | 4.5860 | g |
| Glycine | 1.8600 | g |
| Proline | 1.4560 | g |
| Serine | 1.2030 | g |
| Hydroxyproline | 0.3210 | g |
| Alcohol, ethyl | 0.0000 | g |
| Caffeine | 0.0000 | mg |
| Theobromine | 0.0000 | mg |
Source: USDA FoodData Central (FDC ID: 168634)
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