By just about any measure, tuna is one of the healthiest foods on earth. For millions of American families, tuna is a delicious, inexpensive and nutritious food rich in essential nutrients including protein, vitamin D and omega-3 fatty acids.

Studies have shown that the omega-3 fatty acids, which are found in abundance in tuna, help to keep brains and hearts healthy throughout a person’s life – and are even important before you’re born! Tuna’s omega-3 fatty acids help babies’ brains and eyes develop normally and may also help moms to prevent and manage a type of depression called post-partum depression.

Read on to learn more about the many health sustaining nutrients that tuna – canned, pouched and fresh – is loaded with including omega-3 fatty acids, protein, vitamin D, selenium and more.