Calamari, otherwise known as squid in Italian, originated in the Mediterranean is a delicious appetizer. In just a 3-ounce serving, the squid in calamari provides 13 grams of protein. This helps the body to sustain energy and build muscle. Antioxidants found in squid can help the body fight free radicals from the air you breathe in every day. These antioxidants increase the efficiency of cells which can prevent cancer. Antioxidants can also help to increase the number of white blood cells that are absent from the process of chemotherapy. Squid contains a high number of vitamins and minerals, including Vitamin B-12, potassium, iron, phosphorus and copper. These essential nutrients aid in the performance and health of blood cells, bones and the immune system.