Food database · Meat & poultry
Protein content
23.2 g of protein in 3 oz cooked (85 g) of beef kidney, or 17.3 g for every 100 kcal it supplies.
Share of this food's calories that come from protein - it is extremely protein-dense.
| Protein per 100 kcal | 17.3 g |
|---|---|
| Protein per 100 g | 27.3 g |
| Protein per serving | 23.2 g in 3 oz cooked (85 g) |
| Calories from protein | 69% |
| Protein to fat | 5.9 g per 1 g fat |
| Rank in meats, per 100 kcal | 27th of 133 |
| Rank of all foods, per 100 g | 104th of 796 |
| Share of 50 g Daily Value | 46% per serving |
| Protein quality | Complete protein |
One 3 oz cooked, 23.2 g protein.
Every 100 kcal of beef kidney brings 17.3 g of protein. On that measure it ranks 27th of the 133 meats in this database and 94th of all 796 foods on the site. Measured by weight instead, its 27.3 g per 100 g ranks 58th in its group.
About 69% of the calories in beef kidney come from protein, which makes it extremely protein-dense - close to the practical ceiling for a whole food. Foods in this band are the ones that let you raise your protein intake without raising your calorie intake much at all.
Weight for weight, beef kidney has 5.9 g of protein for each gram of fat (27.3 g against 4.65 g per 100 g).
Set against flank steak, another meat entry in the database, a serving carries about 0.5 g less protein (flank steak has 23.7 g per 3 oz cooked).
It is a complete protein - it supplies all nine essential amino acids in adequate amounts, so it can carry a meal's protein on its own. The serving quoted here is measured by weight at 85 g, and it covers about 46% of the 50 g FDA Daily Value for protein.
Serving sizes
| Portion | Weight | Protein | Calories |
|---|---|---|---|
| 100 g | 100 g | 27.3 g | 158 kcal |
| 3 oz cooked (serving used here) | 85 g | 23.2 g | 134 kcal |
The USDA record lists no other household measure for this food; protein and calories scale from the per-100 g figures.
Related
Highest-protein meats per serving · Most protein-dense foods · Highest protein per 100 g
Quick answers
27.3 g. The 3 oz cooked serving used on this page weighs 85 g and so carries 23.2 g.
17.3 g. That figure divides its 27.3 g of protein per 100 g by its 158 kcal per 100 g, so it does not depend on serving size.
Yes. The protein in beef kidney supplies all nine essential amino acids in adequate amounts, so it can carry a meal's protein on its own.
About 46%. One 3 oz cooked serving has 23.2 g, and the FDA Daily Value for protein is 50 g.
Figures from USDA FoodData Central record #169450 (Beef, variety meats and by-products, kidneys, cooked, simmered), SR Legacy data. USDA data is in the public domain. Values are the published reference figures for that record, not lab measurements for a specific brand or batch.