10 Smart Snack to Keep Your Metabolism Burning All Day

5. Canned Tuna

Tuna is low in fat and calorie, but rich in quality protein, EPA, vitamin B12, and Omega-3 fatty acids. Tuna is loaded with DHA which plays an important role in brain and memory. A three-ounces canned light tuna containing 98 calories and 21 grams of protein and 0.8 grams of fat, which makes it an excellent choice for those people seeking a low-fat source of protein.