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How much protein is in canned tuna?

3 oz (85 g) of canned tuna has 16.5 g of protein and 73 calories: about 22.6 g of protein per 100 calories, which is very high.

At a glance

  • 16.5 g protein and 73 calories per 3 oz (85 g).
  • 22.6 g protein per 100 calories: #3 of 536 foods in our USDA list, #3 of 46 in fish & seafood.
  • 0 g fiber and 210 mg sodium per serving.

What is canned tuna like to eat?

Canned tuna is cooked tuna packed in water or oil, ready to eat straight from the can. It is a pantry staple for quick lunches and needs no cooking, which makes it useful on days when you want protein with almost no effort.

How can you eat more canned tuna?

Try this

Mix with Greek yogurt and mustard for tuna saladToss with white beans, lemon and parsleyFold into a pasta salad with vegetablesSpoon onto crackers or cucumber slices

Is canned tuna good on a GLP-1?

A few spoonfuls on crackers is a small, cold option that needs no cooking, and mixing it with something creamy can make it easier to eat. Protein density matters more when your appetite is small: see protein on a GLP-1.

How does canned tuna compare?

FoodServingProteinCaloriesProtein per 100 kcal
Canned tuna3 oz16.5 g7322.6 g
Salmon3 oz18.8 g17510.7 g
Sardines3 oz20.9 g17711.8 g
Chicken breast3 oz26.4 g14018.8 g

Close to canned tuna per calorie: shrimp (24.2 g), cod (21.7 g), mahi mahi (21.7 g).

Compare more foods with the protein finder, or see protein in every food we cover.

What should you look for when you buy it?

Light tuna and albacore are different species, so compare labels, and look for "no salt added" or packed in water if that suits you.

What's the full nutrition for canned tuna?

NutrientPer 3 oz (85 g)Per 100 g% Daily Value
Calories7386
Protein16.5 g19.4 g33%
Fat0.9 g1 g
Saturated fat0.2 g0.2 g1%
Carbohydrate0 g0 g
Fiber0 g0 g0%
Sugar0 g0 g
Sodium210 mg247 mg9%
Calcium14 mg17 mg1%
Iron1.4 mg1.63 mg8%
Vitamin B122.2 mcg2.55 mcg92%
Vitamin D1 mcg1.2 mcg5%

USDA FoodData Central, SR Legacy: "Fish, tuna, light, canned in water, drained solids (Includes foods for USDA's Food Distribution Program)". % Daily Value uses the FDA's values for adults (protein 50 g, fiber 28 g, sodium 2,300 mg). "Not listed" means USDA didn't measure it for this food, not that it's zero. Brands differ, so check your label.

General education about food, not medical advice. If you have kidney disease or another condition that affects protein, talk to your doctor or a registered dietitian about your own needs.
Sources (3)
  1. USDA FoodData Central (SR Legacy): Fish, tuna, light, canned in water, drained solids (Includes foods for USDA's Food Distribution Program)
  2. FDA: How to understand and use the Nutrition Facts label
  3. Mozaffarian et al. Nutritional priorities to support GLP-1 therapy for obesity: a joint advisory (ACLM, ASN, OMA, TOS). Obesity Pillars, 2025

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