Protein content
A 3 oz cooked serving of grouper contains 21.1 g of protein - a very good source of protein, about 42% of the 50 g Daily Value.
Share of this food's calories that come from protein - it is extremely protein-dense.
| Serving | 3 oz cooked (85 g) |
|---|---|
| Protein per serving | 21.1 g |
| Protein per 100 g | 24.8 g |
| Calories per serving | 100 kcal |
| Protein density | 84% of calories |
| Share of 50 g Daily Value | 42% |
| Protein quality | Complete protein |
| Category | Seafood |
| Food type | Whole food |
| USDA record | FoodData Central #171963 |
A typical 3 oz cooked serving of grouper contains 21.1 grams of protein (24.8 g per 100 g), which makes it a very good source of protein. That covers roughly 42% of the 50 g reference Daily Value, so it can anchor a high-protein meal for the day.
About 84% of the calories in grouper 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 121 seafood in the database, grouper ranks 32nd by protein per serving, and 124th out of all 796 foods on the site. Set against canned clams, another seafood entry in the database, a serving carries about 0.5 g more protein (canned clams has 20.6 g per 3 oz drained).
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.
Source: USDA FoodData Central #171963 - "Fish, grouper, mixed species, cooked, dry heat" (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
Grouper has 24.8 g of protein per 100 g. A typical 3 oz cooked serving (85 g) provides 21.1 g.
Yes. Grouper 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.
A 3 oz cooked serving of grouper contains 21.1 g of protein, about 42% of the 50 g reference Daily Value.
Grouper is a very good source of protein, and about 84% of its calories come from protein, which makes it extremely protein-dense. Set against canned clams, another seafood entry in the database, a serving carries about 0.5 g more protein (canned clams has 20.6 g per 3 oz drained).
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