6 Sources of animal protein that are rich in Vitamin B12 and Omega-3 fatty acids
Frequent fatigue and muscle pain may signal declining vitamin B12 and protein levels. Animal proteins such as salmon, mackerel, sardines, tuna, liver, and cod provide essential nutrients like vitamin B12 and omega-3 fatty acids. Incorporating these into your diet can improve nerve health, red blood cell formation, heart health, and brain function.