Tuna Loin is a cut portion of tuna. Tuna loin is supplied by many distributors in canned form. Though it is mainly cooked by Caribbean method but in many international recipes, tuna loin is preferred as compared to other tuna portions. Some good tuna loin recipes as side dish are yellow fin tuna loin, sweet Dijon grilled tuna loin and tuna loin with white sauce. Tuna loin is rich in omega-3 fatty acids.