Immunity Boosters: 15 Supplements to Strengthen Your Immune System Your immune system is your body’s built-in defense against infections and illnesses—and it relies heavily on proper nutrition. That’s why many people turn to immunity boosters, such as vitamins, minerals, and herbal remedies, to help support their immune function. In this article, you’ll discover 15 of the most effective supplements that may give your immune system the extra support it needs. Important Note: No supplement can prevent or cure any disease, including COVID-19. Always follow public health guidelines and consult a healthcare provider before starting new supplements. 1. Vitamin D Vitamin D is one of the most essential immunity boosters. It…