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Pork, fresh, loin, sirloin (roasts), boneless, separable lean only, cooked, roasted

Whole food · Pork Products

High proteinKeto-friendlyLow sugar
Pork, fresh, loin, sirloin (roasts), boneless, separable lean only, cooked, roasted

Photo: Wikipedia

This is a lean, boneless cut from the sirloin end of the pork loin, roasted to a tender, juicy finish with a mild, clean pork flavor. Its texture is firm yet succulent, with minimal marbling, making it a high-protein, low-fat centerpiece. Nutritionally, it's a powerhouse, delivering over 30 grams of protein per 100g with negligible fat and zero carbohydrates.

= 100 g
178 kcal
Calories
30.4 g
Protein
0.00 g
Carbs
5.3 g
Fat
0.00 g
Fiber
0.00 g
Sugar

Calorie split: 72% protein · 0% carbs · 28% fat

↓ Full nutrition

💚 Why it's loved

People love it for its lean versatility—it's a blank canvas that absorbs marinades and rubs beautifully, roasting into a tender, sliceable roast perfect for weeknight dinners or elegant gatherings. Its mild flavor and satisfying texture make it a family-friendly staple across many cuisines.

⚠️ Watch-outs & how to enjoy it better

Its very leanness means it can dry out quickly if overcooked, leading to a tough, chalky texture. To counteract this, use a meat thermometer to pull it at 145°F (63°C), let it rest for 10 minutes before slicing, and consider brining or basting with a flavorful liquid like apple cider or broth during cooking.

Key benefits

🍽️ Popular dishes

🌍 Where it's eaten

💡 Did you know?

The sirloin end of the pork loin is anatomically equivalent to the top sirloin in beef, making it one of the most tender and prized sections of the loin.

Nutrition Facts
Amount Per 100 g
Calories178
% Daily Value*
Total Fat 5.3g7%
Saturated Fat 1.8g9%
Trans Fat 0.03g
Cholesterol 84.0mg28%
Sodium 66.0mg3%
Total Carbohydrate 0.00g0%
Dietary Fiber 0.00g0%
Total Sugars 0.00g
Protein 30.4g
Vitamin D 0.60mcg3%
Calcium 12.0mg1%
Iron 0.66mg4%
Potassium 408mg9%
* The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Full nutrition (USDA data · scales with serving)

Water64.1 g
Energy178 kcal
Energy743 kj
Protein30.4 g
Total lipid (fat)5.3 g
Ash1.4 g
Carbohydrate, by difference0.00 g
Fiber, total dietary0.00 g
Total Sugars0.00 g
Calcium, Ca12.0 mg
Iron, Fe0.66 mg
Magnesium, Mg28.0 mg
Phosphorus, P311 mg
Potassium, K408 mg
Sodium, Na66.0 mg
Zinc, Zn2.3 mg
Copper, Cu0.11 mg
Manganese, Mn0.02 mg
Selenium, Se45.9 ug
Vitamin C, total ascorbic acid0.00 mg
Thiamin0.72 mg
Riboflavin0.33 mg
Niacin8.2 mg
Pantothenic acid1.7 mg
Vitamin B-60.54 mg
Folate, total0.00 ug
Folic acid0.00 ug
Folate, food0.00 ug
Folate, DFE0.00 ug
Choline, total99.1 mg
Betaine3.8 mg
Vitamin B-120.94 ug
Vitamin B-12, added0.00 ug
Vitamin A, RAE1.0 ug
Retinol1.0 ug
Carotene, beta0.00 ug
Carotene, alpha0.00 ug
Cryptoxanthin, beta0.00 ug
Vitamin A, IU4.0 iu
Lycopene0.00 ug
Lutein + zeaxanthin0.00 ug
Vitamin E (alpha-tocopherol)0.20 mg
Vitamin E, added0.00 mg
Vitamin D (D2 + D3), International Units24.0 iu
Vitamin D (D2 + D3)0.60 ug
Vitamin D3 (cholecalciferol)0.60 ug
Vitamin K (phylloquinone)0.00 ug
Vitamin K (Dihydrophylloquinone)0.00 ug
Alcohol, ethyl0.00 g
Caffeine0.00 mg
Theobromine0.00 mg

Fat & fatty acid profile (per 100g)

Fatty acids, total saturated1.8 g
SFA 4:00.00 g
SFA 6:00.00 g
SFA 8:00.00 g
SFA 10:00.00 g
SFA 12:00.00 g
SFA 14:00.07 g
SFA 15:00.00 g
SFA 16:01.1 g
SFA 17:00.02 g
SFA 18:00.58 g
SFA 20:00.01 g
SFA 22:00.00 g
SFA 24:00.00 g
Fatty acids, total monounsaturated2.2 g
MUFA 14:10.00 g
MUFA 15:10.00 g
MUFA 16:10.13 g
MUFA 17:10.00 g
MUFA 18:12.0 g
MUFA 18:1 c2.0 g
MUFA 20:10.03 g
MUFA 22:10.00 g
MUFA 22:1 c0.00 g
Fatty acids, total polyunsaturated0.84 g
PUFA 18:20.72 g
PUFA 18:2 n-6 c,c0.72 g
PUFA 18:30.02 g
PUFA 18:3 n-3 c,c,c (ALA)0.02 g
PUFA 18:3 n-6 c,c,c0.00 g
PUFA 18:3i0.00 g
PUFA 18:40.00 g
PUFA 20:2 n-6 c,c0.03 g
PUFA 20:30.00 g
PUFA 20:40.07 g
PUFA 20:5 n-3 (EPA)0.00 g
PUFA 22:5 n-3 (DPA)0.01 g
PUFA 22:6 n-3 (DHA)0.00 g
Fatty acids, total trans0.03 g
Fatty acids, total trans-monoenoic0.02 g
TFA 18:1 t0.02 g
TFA 18:2 t not further defined0.00 g
Fatty acids, total trans-polyenoic0.00 g
Cholesterol84.0 mg

Amino acid profile (per 100g)

Tryptophan0.36 g
Threonine1.3 g
Isoleucine1.4 g
Leucine2.5 g
Lysine2.7 g
Methionine0.83 g
Cystine0.34 g
Phenylalanine1.3 g
Tyrosine1.2 g
Valine1.5 g
Arginine2.0 g
Histidine1.2 g
Alanine1.7 g
Aspartic acid2.8 g
Glutamic acid4.6 g
Glycine1.4 g
Proline1.2 g
Serine1.3 g
Hydroxyproline0.11 g

FAQ

What's the difference between pork loin and pork tenderloin?
They are different muscles. The loin is a large, thick roast from the back; the tenderloin is a long, thin, very tender muscle from under the loin. Loin roasts are larger and benefit from slower roasting, while tenderloins cook quickly.

How do I prevent a boneless pork loin roast from drying out?
Key steps: 1) Brine it in salted water for 1-2 hours. 2) Sear all sides before roasting. 3) Roast at a moderate temperature (325-350°F/165-175°C). 4) Use a meat thermometer and remove it at 145°F (63°C). 5) Let it rest, covered, for 10-15 minutes before slicing.

Is this cut suitable for a low-sodium diet?
Yes, the fresh meat itself is naturally very low in sodium. The sodium content will be determined entirely by any added salt, marinades, or seasonings you use during cooking.

Nutrient density (calculated · NRF9.3)

39
Good nutrient density — rich in protein
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)

57
Good for weight loss
Energy density 1.78 kcal/g · 68% 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)

+16.9
Acid-forming — PRAL 16.9 mEq / 100 g
Potential renal acid load. Positive = acid-forming, negative = alkaline-forming.

Sodium-to-potassium ratio: 0.16 (lower is better — aim for ≤ 1)

Sodium:potassium per WHO potassium guidance. Computed from USDA nutrients.

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