Eating healthy foods will always help you stay healthy. Some foods also help in boosting your immunity.
Karen Ansel, RD, a spokesperson for the Academy of Nutrition and Dietetics, says that the importance of good nutrition and its effect on immune system cannot be underestimated. He says that vitamins, minerals, antioxidants keep the body strong, and without them the body doesn’t get the edge it needs to ward off infection.
And it’s just fruits and vegetables: Foods from every food group are represented here. Make them a part of your diet for your best defense against colds and flu.
Oily fish—including salmon, tuna, and mackerel—are rich in omega-3 fatty acids, compounds that help reduce harmful inflammation in the body. Chronic inflammation prevents your immune system from working properly, and can contribute to colds and flu as well as more serious diseases.
Omega 3s may fight colds on more than one front. In a placebo-controlled 2011 study published in Brain, Behavior and Immunity, medical students who took fish oil supplements for three months had lower inflammation levels and also fewer symptoms of anxiety—a condition that can itself weaken immune function.