Salmon is an excellent source of highly digestible proteins as well as omega-3 unsaturated fatty acids, which have a positive impact on mental development, the cardiovascular system, and metabolism (they reduce blood sugar levels). It also positively affects the quality and appearance of hair and skin. Turkey is rich in digestible proteins and has high levels of trace elements, such as zinc, and also contains vita – mins B 3 and B 6, which are critical for proper brain function, good muscle tone, and healthy growth.