Is tuna steak keto?

Tuna steak

Keto-friendly Yes — tuna steak is keto-friendly.

Lean and carb-free. Sear quickly and serve with sesame and avocado.

Nutrition per serving

4 oz raw · 113 g
Net carbs
0g
Calories
123kcal
Protein
28g
Fat
0.6g
Total carbs
0 g
Fiber
0 g
One serving vs. a 20 g daily net-carb limit 0%

Tuna steak has virtually no net carbs, so portion size is about calories and fullness, not carbs.

Nutrition facts for tuna steak
NutrientPer servingPer 100 g
Calories123 kcal109 kcal
Total carbohydrate0 g0 g
Dietary fiber0 g0 g
Net carbs0 g0 g
Sugars 0 g 0 g
Protein28 g24 g
Fat0.6 g0.5 g

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Keto recipes with tuna steak

Frequently asked questions

Is tuna steak keto?

Yes — tuna steak is keto-friendly. Lean and carb-free. Sear quickly and serve with sesame and avocado.

How many net carbs are in tuna steak?

4 oz raw (113 g) of tuna steak has about 0 g net carbs (0 g total carbs minus 0 g fiber). Per 100 g, that's 0 g net carbs.

How much tuna steak can I eat on keto?

Tuna steak has virtually no net carbs, so portion size is about calories and fullness, not carbs. On a typical 20 g daily limit, one serving uses about 0% of your carbs.

More fish & seafood

Full fish & seafood list

Source: USDA FoodData Central (SR Legacy #175159): Fish, tuna, fresh, yellowfin, raw. Net carbs = total carbohydrate − fiber. Rating: Keto-friendly — Low in net carbs per typical serving (about 5 g or less). Fits easily into a 20–30 g daily limit. How we rate foods. Last reviewed October 18, 2026.

Typical price: about $12.99/lb — Our estimate of a typical supermarket price: $12.99 for 1 lb. How we estimate prices

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