Question: what is the best vitamin to take in winter?
Answer: B-Vitamins. This is a group of water-soluble vitamins known collectively as vitamin B-complex. ... 
Vitamin C. This water-soluble vitamin, also known as ascorbic acid, is an antioxidant that helps protect your body from free radicals. ... 
Vitamin D. ... 
Zinc. ... 
Probiotic supplements.