With nearly 14% of your daily value of omega-3 fatty acids, a 4-ounce serving aids your program of maintaining lean body mass and improving insulin response. One omega-3 fatty acid, eicosapentaenoic acid (EPA) has been shown to stimulate hormone release that helps regulate bodyweight and metabolic function.

Spices: Pepper

Sides: Spinach salad and sweet potato slices on the side.

Instructions: Make sure to use tuna from a bag, not a can. This will avoid any Bisphenol A (BPA) from leaching into the tuna. Crumble 6 ounces of tuna over the spinach, season lightly with pepper.

From Tuna:

Calories: 246

Protein: 37 grams

Carbohydrates: 0 grams

Fat: 8 grams

Saturated Fat: 0 grams