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Calories in Grilled Tuna Steaks

author image Melodie Anne
Melodie Anne Coffman specializes in overall wellness, with particular interests in women's health and personal defense. She holds a master's degree in food science and human nutrition and is a certified instructor through the NRA. Coffman is pursuing her personal trainer certification in 2015.
Calories in Grilled Tuna Steaks
A grilled tuna steak on a plate with vegetables. Photo Credit: FabioBalbi/iStock/Getty Images

Grilled tuna steaks are rich in protein, low in calories and full of B vitamins and minerals. Even though tuna itself won’t give you a lot of calories, adding oil during the cooking process can quickly up the calorie content. To keep your tuna steak as light as possible, you might want to use nonstick cooking spray, which only has a trace amount of calories, instead of a high-calorie oil.

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Calorie Counts

The exact number of calories in your perfectly grilled tuna steak depends on the type of tuna. Both yellowfin and skipjack tuna provide around 110 calories from a 3-ounce grilled steak. By opting for bluefin tuna steak, though, you’ll get over 155 calories from the same amount. If you cook tuna steaks in oil to prevent sticking on the grill, you’ll want to account for those calories. One teaspoon of oil adds nearly 40 calories to your otherwise low-calorie entree.

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