A healthy diet, regular exercise, plenty of sleep, and reduced stress are all good for the immune system. Above all, a balanced diet plays an important role. So make sure that you have a good nutritious diet that includes vitamins A, C, D, E, and K, iron, zinc, and proteins.
Shake the plate
Most vitamins and minerals can be obtained through diet for a built immune system. Therefore, it is most important to have a balanced diet. Dishes should be served so the plate is decorated with various colors of vegetables and fruits. It should be noted that missing one or two leads to malnutrition. If you want to take it as a tablet, you should take the doctor's advice. But this way is not correct for the built immune system. The body absorbs the maximum nutrients from food.

Vitamin A
Vitamin A is known as an anti-inflammatory vitamin. Because, it plays a vital role in enhancing the function of the immune system. Vitamin A contributes to the proper functioning of the immune system as a whole. The heart, lungs, kidneys, and other organs work properly. Actually what it does is grow cells. Belonging to the class of fat-soluble vitamins, it improves the functioning of the immune system, including T cells, B cells, nitrogenase, and white blood cells. This protects against viral infections, colds, and flu. Not only that, it protects the skin cells from damage and prevents the entry of germs like bacteria. Vitamin A is also important among antioxidants.
High in what? : Lettuce, fish, carrots, eggs, mangoes, papayas.
How much is needed?
For men: 900 micrograms