Meat • Deep Nutrition Analytics
Lamb, leg, sirloin half, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted
Lamb, leg, sirloin half, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted is a meat providing 284 kcal per 100g serving, primarily fueled by fat (19.7g) for energy-dense lipids that support nutrient and fat-soluble vitamin absorption. Notably, a single 100g serving delivers an exceptional 106% DV of Vitamin B12 (2.54 µg), making it an elite dietary source. Despite a higher energy concentration (2.8 kcal/g), it delivers substantial micronutrient density to support nutrient-dense meal planning.
- Protein
- 25 g
- Carbohydrates
- 0 g
- Fat
- 19.7 g
- Fiber
- 0 g
Protein & Amino Acid Partitioning
Lamb, leg, sirloin half, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted supplies 25g of protein per 100g, accounting for approximately 35% of its total caloric value. With minimal or zero carbohydrates, it delivers efficient amino acid density for muscular recovery and metabolic support.
Complete Nutrition Profile (per 100 g)
Macronutrients
| Nutrient | Amount per 100 g |
|---|---|
| Energy | 1190 kJ |
| Total lipid (fat) | 19.7 g |
| Carbohydrate, by difference | 0 g |
| Energy | 284 kcal |
| Fiber, total dietary | 0 g |
| Protein | 25 g |
Micronutrients
| Nutrient | Amount per 100 g |
|---|---|
| Vitamin B12 | 2.5 µg |
| Selenium | 25.8 µg |
| Zinc | 4.2 mg |
| Phosphorus | 185 mg |
| Copper | 0.1 mg |
Vitamins
| Nutrient | Amount per 100 g |
|---|---|
| Vitamin B-6 | 0.1 mg |
| Vitamin B-12 | 2.5 µg |
Minerals
| Nutrient | Amount per 100 g |
|---|---|
| Selenium, Se | 25.8 µg |
| Calcium, Ca | 11 mg |
| Potassium, K | 304 mg |
| Zinc, Zn | 4.2 mg |
| Iron, Fe | 2 mg |
| Magnesium, Mg | 23 mg |
| Phosphorus, P | 185 mg |
| Sodium, Na | 68 mg |
| Copper, Cu | 0.1 mg |
| Manganese, Mn | 0 mg |
Other nutrients
| Nutrient | Amount per 100 g |
|---|---|
| Folate, DFE | 17 µg |
| Isoleucine | 1.2 g |
| Leucine | 1.9 g |
| Lysine | 2.2 g |
| Cystine | 0.3 g |
| Valine | 1.4 g |
| Arginine | 1.5 g |
| Histidine | 0.8 g |
| Aspartic acid | 2.2 g |
| Serine | 0.9 g |
| SFA 10:0 | 0.1 g |
| SFA 16:0 | 4.2 g |
| SFA 18:0 | 2.7 g |
| MUFA 18:1 | 7.5 g |
| PUFA 18:2 | 1.1 g |
| PUFA 18:3 | 0.3 g |
| PUFA 20:4 | 0.1 g |
| Fatty acids, total monounsaturated | 8.3 g |
| Fatty acids, total polyunsaturated | 1.4 g |
| Water | 54.8 g |
| Niacin | 6.6 mg |
| Pantothenic acid | 0.7 mg |
| Thiamin | 0.1 mg |
| Riboflavin | 0.3 mg |
| Folate, total | 17 µg |
| Folate, food | 17 µg |
| Tryptophan | 0.3 g |
| Threonine | 1.1 g |
| Methionine | 0.6 g |
| Phenylalanine | 1 g |
| Tyrosine | 0.8 g |
| Alanine | 1.5 g |
| Glutamic acid | 3.6 g |
| Glycine | 1.2 g |
| Proline | 1.1 g |
| Cholesterol | 96 mg |
| Fatty acids, total saturated | 8.3 g |
| SFA 12:0 | 0.1 g |
| SFA 14:0 | 0.8 g |
| MUFA 16:1 | 0.6 g |
| Ash | 1 g |
Serving calculator
Nutritional Highlights & Outliers
High Vitamin B12
Delivers 2.5 µg of Vitamin B12 (106% DV), essential for neurological function, DNA synthesis, and red blood cell formation.
Zinc Rich
Contains 4.2 mg of zinc, vital for cellular immunity, wound recovery, and protein metabolic processes.
Common serving sizes
- piece, cooked, excluding refuse (yield from 1 lb raw meat with refuse)260 g
- oz85 g
Compare Lamb, leg, sirloin half, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted with Category Peers
Beef, rib, small end (ribs 10-12), separable lean and fat, trimmed to 0" fat, select, cooked, broiled vs Lamb, leg, sirloin half, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted
Compared to Beef, rib, small end (ribs 10-12), separable lean and fat, trimmed to 0" fat, select, cooked, broiled, Lamb, leg, sirloin half, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted has 0% more protein and 0% higher calories per 100g.
Beef, short loin, porterhouse steak, separable lean and fat, trimmed to 1/8" fat, choice, cooked, grilled vs Lamb, leg, sirloin half, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted
Compared to Beef, short loin, porterhouse steak, separable lean and fat, trimmed to 1/8" fat, choice, cooked, grilled, Lamb, leg, sirloin half, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted has 1% more protein and 0% higher calories per 100g.
Frequently Asked Questions
How many calories are in Lamb, leg, sirloin half, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted?
A standard 100-gram serving of Lamb, leg, sirloin half, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted contains 284 calories (1188 kJ), alongside 25g of protein, 0g of carbohydrates, and 19.7g of fat.
In common serving sizes:- 260g (piece, cooked, excluding refuse (yield from 1 lb raw meat with refuse)): ~738 kcal
- 85g (oz): ~241 kcal
Is Lamb, leg, sirloin half, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted suitable for a keto or low-carb diet?
Yes. With only 0g of net carbs per 100g (0g total carbohydrates minus 0g dietary fiber), Lamb, leg, sirloin half, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted is exceptionally keto-friendly and fits easily within strict daily carbohydrate limits.
What are the main vitamins and minerals found in Lamb, leg, sirloin half, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted?
According to MicroNutritious deep analytics of USDA laboratory data, the most significant micronutrients in a 100g serving of Lamb, leg, sirloin half, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted are:
- Vitamin B12: 2.54 µg (106% of your daily value)
- Selenium: 25.8 µg (47% of your daily value)
- Zinc: 4.2 mg (38% of your daily value)
Values are standardized against FDA Daily Values for a 2,000 calorie diet.
Data source: USDA FoodData Central, SR Legacy (FDC ID 172550).