How much protein is in tuna?

The exact tuna protein content depends on the type of tuna and how it’s prepared. As a practical guide, a 3-ounce cooked serving usually provides roughly: - Light canned tuna in water: about 20 to 22 grams of protein - Albacore (white) canned tuna in water: about 24 to 26 grams of protein - Fresh tuna steaks: often about 22 to 25 grams of protein Per 100 grams, many tuna products land around 23 to 26 grams of protein, which is why tuna is considered a high-protein food.

Why tuna is such a high-protein food

Tuna is lean, so most of its calories come from protein rather than fat. That makes it helpful if you want a meal that is filling without being heavy. It also gives you important nutrients like vitamin B12, selenium, and, depending on the type of tuna, omega-3 fats.

For context, many adults need about 0.8 grams of protein per kilogram of body weight per day as a basic minimum, though active people often need more. A single can of tuna can cover a large share of that daily requirement.

Canned tuna vs. fresh tuna: does protein change?

The protein content is usually similar whether tuna is fresh or canned, but the calories, sodium, and fat can change depending on the packing liquid and species. Tuna packed in oil generally has more calories than tuna packed in water, while the protein stays close to the same.

If you’re comparing labels, look at the serving size carefully. One brand’s 2-ounce serving may look lower in protein than another brand’s 3-ounce serving, even when the tuna itself is very similar. Drain weight matters too, especially for canned tuna.

Best ways to use tuna for a high-protein meal

Tuna is easy to turn into a balanced meal. Try it in a tuna salad with Greek yogurt, on whole-grain toast, mixed into pasta with vegetables, or alongside rice and beans for extra carbs and fiber. If you’re tracking macros, tuna can make it easier to raise protein without overshooting calories.

If you use Fitnit for workout tracking, its rep counting and form analysis can help keep home training efficient while you build meals around protein-rich foods like tuna. That can be useful when you want a simple routine that supports both training and nutrition.

Tips

• Check the label for serving size before comparing protein numbers.
• Choose tuna in water if you want the leanest option.
• Mix tuna with vegetables, whole grains, or beans to make a more balanced meal.
• Watch sodium if you eat canned tuna often.
• Vary your protein sources across the week, especially if you eat tuna regularly.