Any food, including salmon, can be fattening if one eats too much of it. Salmon is considered to be a fatty fish. It contains heart healthy fats in quantities ranging from 3.5 to 12 grams of fat per serving, according to the United States Department of Agriculture.
BBC Good Food states that salmon has long been considered a nutritional powerhouse by health professionals. It contains protein, healthy Omega-3 fatty acids, and vitamins and minerals. Salmon is purported to be good for skin and joints and even for fighting mental health diseases such as depression. It is recommended to eat oily fish such as salmon three times a week for optimal health.