1 can (medium) of Tuna in water (120 g) has 115 calories. That works out to 96 calories per 100 g. It contains 0 g of carbs, 27 g of protein, 1 g of fat and 0 g of fiber. Its 96 µg of Selenium covers 175% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.

Tuna in water Nutrition Facts

Selected: 100 g

KCAL / 100G

Carbs

· 0% DV

Protein

22.5g

· 45% DV

Fat

0.8g

· 1% DV

Fiber

· 0% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 0% · Protein 93% · Fat 7%

Tuna in water Vitamins & Minerals

Vitamins

B12

2.2µg · 92% DV

10.5mg · 66% DV

0.35mg · 21% DV

0.6mg · 12% DV

Minerals

Selenium

80µg · 145% DV

Iodine

50µg · 33% DV

Phosphorus

180mg · 26% DV

Sodium

280mg · 12% DV

How Nutritious Is Tuna in water?

Nutrient density

High

75/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

High

60/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Tuna in water Glycemic Index

GLYCEMIC INDEX

Low

0 Low5570100

GLYCEMIC LOAD

Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Tuna in water

To burn the 96 calories in 100 g:

🚶

24min

Walking (5 km/h)

🏃

10min

Running (8 km/h)

🚴

13min

Cycling

🏊

11min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

Is Tuna in water Processed?

NOVA 2

Minimally Processed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Tuna in water Contain Allergens?

Contains these allergens:

Gluten free

Dairy free

Eggs free

Peanuts free

Tree nuts free

Fish yes

Soy free

Sesame free

Which Diets Is Tuna in water Good For?

Vegan

— Not suitable

Vegetarian

— Not suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

✓ Suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

✓ Suitable

Low FODMAP

— Not suitable

Tuna in water Fat Profile

SATURATED

0.2g

MONOUNSATURATED

0.1g

POLYUNSATURATED

0.3g

⚖️

Omega 6:3 ratio 0:1

Below the ideal 4:1 — a good omega balance.

Compare Tuna in water

🐟vs🐟

Tuna in water vs Salmon Fillet110 kcal fewer per 100 g

→🐟vs🐟

Tuna in water vs Canned Tuna20 kcal fewer per 100 g

→🐟vs🐟

Tuna in water vs Fish14 kcal fewer per 100 g

→🐟vs🐟

Tuna in water vs Tuna36 kcal fewer per 100 g

→

Foods Similar to Tuna in water

🐟

Salmon Fillet

206 kcal

🐟

Canned Tuna

116 kcal

🐟

Fish

110 kcal

🐟

Tuna

132 kcal

🐟

Baked Sea Bass

110 kcal

🐟

Grilled Sea Bass

124 kcal

🐟

Whiting

90 kcal

🦪

Stuffed Mussels

175 kcal

Frequently Asked Questions About Tuna in water

How many calories and how much protein are in tuna in water?

Tuna in water provides 96 calories and 22.5 g of protein per 100 g. It contains 0 g of carbohydrates and 0.8 g of fat.

Is tuna in water suitable for a keto diet?

Yes. With 0 g of carbohydrates and a glycemic index of 0, tuna in water is compatible with keto and ketovore diets. It is also suitable for pescatarian, paleo, Mediterranean, flexitarian, and gluten-free diets, but contains fish.

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Nutrition data compiled from USDA FoodData Central and scientific sources.

· Last updated: September 23, 2026