Meat & Seafood Nutrition: Protein Facts for Beef & Fish

Meat and seafood are primary protein sources, but their nutritional values vary by cut and preparation. From the benefits of swordfish to the digestibility of red meat, learn the facts about calories and protein in your favorite proteins.

Horse Mackerels, Full frame, high angle view, close up

Nutrition of Salmon Vs. Mackerel

Published Sep,01 2011 | By Emma Cale

Salmon and mackerel both provide significant amounts of omega-3 fatty acids; however, salmon does provide more, according to Dr. Bruce Holub, B.Sc., Ph.D., of the DHA/EPA Omega-3 Institute. Salmon and mackerel also provide sources of vitamin D, although salmon offers more.