Most of us are aware that vitamin C is important for our immune system, but did you know that many other vitamins and minerals are needed too? These include vitamin D, vitamin A, B vitamins, and the minerals selenium, zinc, copper and iron. For a strong immune system, then, it’s important to eat nutrient-dense whole foods to get a good supply of these vitamins and minerals. Sugar ...Read more and sugary foods are best avoided, as they may actually weaken the immune system. If you need additional support, a multivitamin and mineral or specific immune support supplement containing some or all of these ingredients may be helpful. Extra vitamin D and vitamin C may be supportive too, especially over the winter months when we can be more susceptible to colds – and get little or no sun exposure to top up our vitamin D levels.