The Essential Role of Vitamins in Boosting Immunity We all want strong immunity, especially in times when infections spread quickly. One of the easiest and most natural ways to support your immune system is through vitamins. Your body needs a variety of vitamins to function at its best and defend against illness. According to PubMed Central , vitamins like C, D, and E are essential for immune defense. Without these nutrients, the body becomes more vulnerable to viruses and inflammation. Keyword Focus: “Vitamins for immune system” The keyword vitamins for immune system is a strong performer with low competition and high year-round interest. Many people search for this topic looking for guidance on natural immunity boosters. Learn more about this keyword at Google Trends . Top Vitamins That Strengthen Immunity Vitamin C: Found in oranges, strawberries, and peppers. It helps produce white blood cells and fight infections. Vitamin D: Boosts immune cell function and red...