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Thick slices of ahi tuna are arranged on a plate, with a lightly browned outer edge and a glossy deep ruby-red center.
●Low GI
⚡High Potassium
💪High Protein

Seared ahi tuna Calories

High-protein, very low-carb fish rich in selenium and vitamin B12

CALORIES · 100 G

144kcal

GI

0low

POTASSIUM · 100 G

430mg

FIBER · 100 G

0g

Quick answer

1 piece (medium) of Seared ahi tuna (120 g) has 173 calories. That works out to 144 calories per 100 g. It contains 0 g of carbs, 29.3 g of protein, 5.9 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.

Seared ahi tuna Nutrition Facts

Selected: 1 piece (medium) · 120 g

173

KCAL / 120G

Carbs

0g

· 0% DV

Protein

29.3g

· 59% DV

Fat

5.9g

· 8% DV

Fiber

0g

· 0% DV

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

Calories come from: Carbs 0% · Protein 69% · Fat 31%

Seared ahi tuna nutrition facts table · 1 piece (medium) (120 g)

NutrientAmount% DV
Calories173 kcal
Total fat5.9 g8%
Saturated fat1.56 g8%
Trans fat0 g
Sodium47 mg2%
Total carbohydrate0 g0%
Fiber0 g0%
Protein29.3 g59%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 1 Medium Seared ahi tuna?

ServingAmountCalories
1 piece (medium)120 g173 kcal
1 piece (small)80 g115 kcal
100 g100 g144 kcal
4 ounce (medium)113 g163 kcal
1 serving (medium)150 g216 kcal
6 ounce (large)170 g245 kcal
1 piece (large)180 g259 kcal
1 serving (large)220 g317 kcal

Calculated from 144 calories per 100 g.

Frequently Asked Questions About Seared ahi tuna

How do you make seared ahi tuna at home?

To make seared ahi tuna, pat the fish dry and cook it briefly in a very hot pan so the outside browns while the center stays rare or medium-rare. Use a pan large enough to avoid crowding, which can prevent proper searing.

Is seared ahi tuna raw in the middle?

Usually, yes: seared ahi tuna is browned on the outside and served raw or lightly cooked in the center. If you want it fully cooked, leave it in the pan longer, though the lean fish can become dry.

What kind of tuna is ahi in seared ahi tuna?

Ahi usually refers to yellowfin tuna or bigeye tuna, both used for seared ahi tuna. The exact species can vary by restaurant or supplier, so ask which one is being served if the distinction matters to you.

Can you eat seared ahi tuna rare?

Yes, seared ahi tuna is commonly served rare, but the fish should come from a reliable source and have been handled for raw or undercooked eating. “Sushi-grade” is not a regulated guarantee of safety, so ask the fishmonger about its handling.

How long should you sear ahi tuna on each side?

Sear ahi tuna briefly on each side in a very hot pan; the time depends on the steak’s thickness and how rare you want the center. Drying the surface first helps it brown instead of steaming.

What sauce goes well with seared ahi tuna?

A soy-ginger or citrus-based sauce pairs well with seared ahi tuna without overwhelming its flavor. Sesame, scallions, ponzu, and a small amount of wasabi are also common accompaniments; serve richer sauces on the side.

How should you store leftover seared ahi tuna?

Refrigerate leftover seared ahi tuna in a covered container within two hours, and eat it within three to four days. Because the center may be rare, keep it cold during serving and avoid leaving leftovers at room temperature.

Can you sear frozen ahi tuna?

Thaw ahi tuna in the refrigerator before searing so it cooks evenly and its surface can be dried. If you plan to serve it rare, choose fish handled for raw or undercooked consumption rather than assuming any frozen tuna is suitable.

Is seared ahi tuna safe during pregnancy?

Rare seared ahi tuna is best avoided during pregnancy because its center is undercooked, and tuna can contain mercury. Advice depends on the species and how often you eat it, so ask your healthcare professional about safer cooked choices and portions.

What is the difference between seared ahi tuna and tuna steak?

Seared ahi tuna is a tuna steak cooked quickly at high heat, usually leaving the center rare; “tuna steak” simply describes the cut and does not specify how it is cooked. A tuna steak can also be grilled or cooked through.

Seared ahi tuna Vitamins & Minerals

Vitamins

B3

22.56mg · 141% DV

B12

3µg · 125% DV

B6

1.12mg · 66% DV

Vitamin D

6µg · 30% DV

Minerals

Selenium

96µg · 175% DV

Phosphorus

300mg · 43% DV

Potassium ⭐

516mg · 15% DV

Iodine

22µg · 15% DV

Sodium

47mg · 2% DV

Seared ahi tuna Glycemic Index

GLYCEMIC INDEX

0
Low
0 Low5570100

GLYCEMIC LOAD

0
Low

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

How to Burn Off Seared ahi tuna

To burn the 173 calories in 1 piece (medium) (120 g):

🚶

43min

Walking (5 km/h)

🏃

18min

Running (8 km/h)

🚴

24min

Cycling

🏊

20min

Swimming

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

What is Seared ahi tuna?

Seared ahi tuna is a quick-cooked tuna steak associated with Hawaiian and Pacific cooking. “Ahi” commonly refers to yellowfin or bigeye tuna; the fish is seared over high heat so the outside browns while the centre stays pink and tender. Its savoury, clean flavour is often paired with a tangy or lightly sweet sauce.

It’s served sliced as a main, or over salad and grain bowls, and is also familiar in poke-inspired meals. A protein-rich choice with virtually no carbohydrates, it suits a lighter meal alongside greens and citrus. If you prefer it cooked through, leave it in the pan longer, though the texture will be firmer.

How Nutritious Is Seared ahi tuna?

Nutrient density

Very high

82/ 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

Medium

56/ 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.

Is Seared ahi tuna 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 Seared ahi tuna 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 Seared ahi tuna 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

Seared ahi tuna Fat Profile

SATURATED

1.56g

MONOUNSATURATED

1.68g

POLYUNSATURATED

0.6g

⚖️

Omega 6:3 ratio 0.3:1

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

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116 kcal

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Nutrition data compiled from USDA FoodData Central and scientific sources.