When temperatures drop, your risk of catching a cold increases. But how can you keep from getting sick? Get plenty of exercise, stay warm and eat a balanced diet. In today’s blog post, we will tell you which five vitamins are essential in winter . VITAMIN D Vitamin D is the most important supplement to take during every winter season. Due to less sunlight caused by shorter days, our bodies naturally produce less vitamin D . Vitamin D . the “ sunshine vitamin .” Your body produces vitamin D when your skin is exposed to sunlight, which can be a bit problematic during the winter when the days are shorter and it's too cold to spend a lot of time outdoors. As our main source of vitamin D is from the action of sunlight on our skin, it's particularly important to supplement over the winter when exposure to sunlight is limited. The result of vitamin D deficiency includes reduced immune function ,impaird bone health , mood skin and dry skin . VITAMIN C While Vitamin C (ascorbic ac