Swordfish has no scales and no teeth. Swordfish has a lot of nutritional value, every 3-ounce serving provides 566 units of vitamin D, or 93 percent of the daily value. Protein of Swordfish is important to maintain your muscle mass. The content of vitamin D and E of swordfish helps build and maintain strong bones, the immune system and helps regulate the body's calcium levels and protect against free radicals. Swordfish also provides potassium and selenium.
Fresh swordfish, tend to be low in sodium and high in potassium. It can treat high blood pressure or hypertension and reduce the risk of heart disease and stroke. Swordfish is a popular food in many restaurants since the late 1990s. These fish are usually treated like a grilled steak with spices or herbs. These fish can be found in tropical and subtropical areas of the Atlantic, Pacific, and Indian and sometimes in cold waters, including the Mediterranean Sea, the Sea of Marmara, the Black Sea and the Sea of Azov.