A typical 3 oz cooked serving of pork tenderloin contains 22.3 grams of protein (26.2 g per 100 g), which makes it a very good source of protein. That covers roughly 45% of the 50 g reference Daily Value, so it can anchor a high-protein meal for the day.
About 73% of the calories in pork tenderloin 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.
Among the 133 meats in the database, pork tenderloin ranks 66th by protein per serving, and 96th out of all 796 foods on the site. Set against rotisserie chicken, another meat entry in the database, a serving carries about 0.5 g less protein (rotisserie chicken has 22.8 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 above is measured by weight at 85 g. The per-100 g figure lets you compare it directly against any other food here, whatever its serving.
Rich in leucine, the amino acid that most strongly triggers muscle-protein synthesis.
Source: USDA FoodData Central #168250 - "Pork, fresh, loin, tenderloin, separable lean only, cooked, roasted" (SR Legacy, published 4/1/2019). Values are the published reference figures for that record, not lab measurements for a specific brand or batch.
Quick answers
Pork tenderloin protein FAQ
How much protein is in pork tenderloin per 100 g?
Pork tenderloin has 26.2 g of protein per 100 g. A typical 3 oz cooked serving (85 g) provides 22.3 g.
Is pork tenderloin a complete protein?
Yes. Pork tenderloin 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.
How much of the Daily Value does a serving of pork tenderloin cover?
A 3 oz cooked serving of pork tenderloin contains 22.3 g of protein, about 45% of the 50 g reference Daily Value.
Is pork tenderloin a good source of protein?
Pork tenderloin is a very good source of protein, and about 73% of its calories come from protein, which makes it extremely protein-dense. Set against rotisserie chicken, another meat entry in the database, a serving carries about 0.5 g less protein (rotisserie chicken has 22.8 g per 3 oz cooked).