Calories in 100 G:
17.4 g
Protein
3.09 g
Fats
0.29 g
Carbs
103
kcal
Calories in 1 oz:
4.93 g

Protein

0.88 g

Fats

0.08 g

Carbs

29

kcal

Calories in 1 lb:
78.93 g

Protein

14.02 g

Fats

1.32 g

Carbs

467

kcal

Raw beef kidneys are among the most nutritionally dense organ meats available, offering an impressive protein content alongside essential vitamins and minerals. Though less commonly consumed in Western cuisine today, kidneys have been a dietary staple across cultures for centuries, prized for their rich nutritional profile and distinctive flavor.

Name Amount Unit
Water 77.9 g
Energy 103 kcal
Energy 431 kJ
Protein 17.4 g
Total lipid (fat) 3.09 g
Ash 1.33 g
Carbohydrate, by difference 0.29 g
Fiber, total dietary 0 g
Sugars, total including NLEA 0 g
Calcium, Ca 13 mg
Iron, Fe 4.6 mg
Magnesium, Mg 17 mg
Phosphorus, P 257 mg
Potassium, K 262 mg
Sodium, Na 182 mg
Zinc, Zn 1.92 mg
Copper, Cu 0.426 mg
Manganese, Mn 0.142 mg
Selenium, Se 141 µg
Vitamin C, total ascorbic acid 9.4 mg
Thiamin 0.357 mg
Riboflavin 2.84 mg
Niacin 8.03 mg
Pantothenic acid 3.97 mg
Vitamin B-6 0.665 mg
Folate, total 98 µg
Folic acid 0 µg
Folate, food 98 µg
Folate, DFE 98 µg
Vitamin B-12 27.5 µg
Vitamin A, RAE 419 µg
Retinol 419 µg
Carotene, beta 0 µg
Carotene, alpha 0 µg
Cryptoxanthin, beta 0 µg
Vitamin A, IU 1400 IU
Lycopene 20 µg
Lutein + zeaxanthin 0 µg
Vitamin E (alpha-tocopherol) 0.22 mg
Tocopherol, beta 0 mg
Tocopherol, gamma 0.02 mg
Tocopherol, delta 0 mg
Tocotrienol, alpha 0 mg
Tocotrienol, beta 0 mg
Tocotrienol, gamma 0 mg
Tocotrienol, delta 0 mg
Vitamin D (D2 + D3), International Units 45 IU
Vitamin D (D2 + D3) 1.1 µg
Vitamin D3 (cholecalciferol) 1.1 µg
Vitamin K (phylloquinone) 0 µg
Fatty acids, total saturated 0.868 g
SFA 4:0 0 g
SFA 6:0 0 g
SFA 8:0 0 g
SFA 10:0 0 g
SFA 12:0 0 g
SFA 14:0 0.021 g
SFA 15:0 0.01 g
SFA 16:0 0.393 g
SFA 17:0 0.023 g
SFA 18:0 0.374 g
SFA 20:0 0.012 g
SFA 22:0 0.035 g
Fatty acids, total monounsaturated 0.586 g
MUFA 14:1 0 g
MUFA 15:1 0 g
MUFA 16:1 0.039 g
MUFA 18:1 0.535 g
MUFA 20:1 0.012 g
MUFA 22:1 0 g
Fatty acids, total polyunsaturated 0.545 g
PUFA 18:2 0.292 g
PUFA 18:3 0.013 g
PUFA 18:3 n-3 c,c,c (ALA) 0.007 g
PUFA 18:3 n-6 c,c,c 0.006 g
PUFA 18:4 0 g
PUFA 20:2 n-6 c,c 0.012 g
PUFA 20:3 0 g
PUFA 20:4 0.228 g
PUFA 20:5 n-3 (EPA) 0 g
PUFA 22:5 n-3 (DPA) 0 g
PUFA 22:6 n-3 (DHA) 0 g
Fatty acids, total trans 0.1 g
Cholesterol 411 mg
Alcohol, ethyl 0 g
Caffeine 0 mg
Theobromine 0 mg

Nutritional Profile of Raw Beef Kidneys

The nutritional composition of raw beef kidneys makes them a particularly lean protein source. Per 100 grams, beef kidneys contain 103 calories with 17.4 grams of protein, 3.09 grams of fat, and just 0.29 grams of carbohydrates. This macronutrient distribution translates to approximately 68% of calories from protein, 27% from fat, and 1% from carbohydrates, making kidneys an excellent choice for high-protein, low-carb diets.

For portion reference, a one-ounce serving provides 29 calories with 4.93 grams of protein, while a full pound delivers 467 calories and nearly 79 grams of protein. The minimal carbohydrate content makes beef kidneys suitable for ketogenic and other low-carb dietary approaches.

Micronutrient Density

Beyond macronutrients, beef kidneys are exceptionally rich in B vitamins, particularly vitamin B12, which is crucial for nerve function and red blood cell formation. They also provide significant amounts of riboflavin, niacin, and folate. The mineral content includes high levels of selenium, an important antioxidant, along with iron, zinc, and phosphorus. This micronutrient density is characteristic of organ meats and contributes to their reputation as nutritional powerhouses.

Health Considerations

The high protein content in beef kidneys supports muscle maintenance, immune function, and tissue repair. The low fat content, predominantly unsaturated fats, makes kidneys a heart-healthy protein option when consumed as part of a balanced diet. However, kidneys are also high in cholesterol and purines, so individuals with gout or cholesterol concerns should consult healthcare providers before adding them regularly to their diet.

Organ meats like kidneys are also concentrated sources of vitamin A and other fat-soluble vitamins, which means moderation is important to avoid excessive intake. As with all organ meats, sourcing from grass-fed, organically raised cattle can minimize exposure to environmental contaminants that may accumulate in filtering organs.

Culinary Applications

Raw beef kidneys require proper preparation to remove their characteristic strong flavor. Traditional methods include soaking in milk or acidulated water to mellow the taste. Once prepared, kidneys can be grilled, sautéed, braised, or incorporated into traditional dishes like steak and kidney pie. Their firm texture and rich flavor pair well with bold seasonings, mustard-based sauces, and red wine reductions.

Storage and Safety

Raw beef kidneys are highly perishable and should be stored in the coldest part of the refrigerator, used within one to two days of purchase, or frozen for longer storage. As with all raw meat products, proper food safety practices including thorough cooking to an internal temperature of at least 160°F (71°C) are essential to eliminate potential pathogens.

Beef kidneys represent a nutrient-dense, sustainable protein choice that offers exceptional nutritional value per calorie. While they may require some culinary adaptation for modern palates, their impressive protein content, minimal carbohydrates, and rich micronutrient profile make them worth considering for those seeking to diversify their protein sources and maximize nutritional density in their diet.

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02.1k.
Serving Size 100 g