There's no magic solution for a strong immune system. The key is a healthy lifestyle and a diet rich in vitamins and minerals. These nutrients support your immunity in three ways: by protecting barriers like your skin and gut, promoting healthy immune function, and supporting antibody production. The good news is that FONAN is composed of essential vitamins and minerals to support your immune system, such as potassium, calcium, magnesium, iron, zinc, and vitamins A, C, D, E, K, B6, B12, among others.