In short: 100 g of lamb contains 180 calories, 28 g of protein, 0 g of carbohydrate and 6.7 g of fat. A oz (85 g) portion has about 153 calories and 24 g of protein.
Below are the full values per 100 g and per typical portion, taken from the USDA FoodData Central figure for this exact food, followed by what those numbers mean in practice.
| Nutrient | Per 100 g | Per oz |
|---|---|---|
| Calories | 180 kcal | 153 kcal |
| Protein | 28 g | 24 g |
| Total fat | 6.7 g | 5.7 g |
| Saturated fat | 2.4 g | 2 g |
| Monounsaturated fat | 2.9 g | 2.5 g |
| Polyunsaturated fat | 0.44 g | 0.37 g |
| Carbohydrate | 0 g | 0 g |
| Dietary fiber | 0 g | 0 g |
| Cholesterol | 87 mg | 74 mg |
| Sodium | 66 mg | 56 mg |
It is a high-protein food, at 28 g of protein per 100 g.
It contains no dietary fiber.
It is low in sodium, at 66 mg per 100 g.
The standout micronutrient is vitamin B-12, at 113% of the daily value per 100 g — vitamin B-12 is needed for healthy nerves and blood cells.
| Nutrient | Per 100 g | Per oz |
|---|---|---|
| Potassium | 342 mg | 291 mg |
| Calcium | 8 mg | 6.8 mg |
| Iron | 2.1 mg | 1.8 mg |
| Magnesium | 26 mg | 22 mg |
| Zinc | 5 mg | 4.3 mg |
| Selenium | 32 µg | 27 µg |
| Nutrient | Per 100 g | Per oz |
|---|---|---|
| Vitamin A | 0 µg | 0 µg |
| Vitamin C | 0 mg | 0 mg |
| Vitamin E | 0.18 mg | 0.15 mg |
| Thiamin | 0.11 mg | 0.09 mg |
| Riboflavin | 0.28 mg | 0.24 mg |
| Niacin | 6.4 mg | 5.4 mg |
| Vitamin B-6 | 0.17 mg | 0.14 mg |
| Vitamin B-12 | 2.7 µg | 2.3 µg |
| Folate | 24 µg | 20 µg |
How it compares with similar foods
Protein per calorie is the measure that matters when the goal is to hit a protein target without overshooting total energy. By protein per 100 calories it ranks 12th out of 109 foods in this reference. Within protein foods, the highest are:
| Food | Protein | Calories |
|---|---|---|
| Shrimp | 24 g | 99 kcal |
| Tuna | 26 g | 116 kcal |
| Cod | 23 g | 105 kcal |
How to use these numbers
Percentages of daily value are calculated from the FDA Daily Values used on US nutrition labels, which assume a 2,000 calorie diet; your own targets may be higher or lower. If you want the values for your own body weight and activity level rather than a reference diet, the protein and macro calculator turns a calorie and protein target into numbers you can use.
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Source
All values come from USDA FoodData Central (SR Legacy), food ID 172487, published under CC0 1.0 as public domain data. Values are per 100 g of the food as described: Lamb, leg, shank half, separable lean only, trimmed to 1/4" fat, choice, cooked, roasted.