People are most likely to get sick or catch the flu in winter. The sharp drop in temperature in winter causes our immune system to overload, so it is best to supplement with vitamins that can enhance immunity and anti-inflammatory. Supplementing more vitamins in our daily regimen will help us maintain good health throughout the winter. This article recommends several vitamins that can be properly supplemented in winter. In addition, it also provides some health tips, hoping to keep you healthy this winter.