Mackerel is a big, oily fish, similar to tuna, but it has lower mercury.
It's high in both omega-3 and -6 fatty acids and a good source of protein, and has been found to lower blood pressure in men.
Mackerel is a big, oily fish, similar to tuna, but it has lower mercury.
It's high in both omega-3 and -6 fatty acids and a good source of protein, and has been found to lower blood pressure in men.