Vitamins play a central role in the body. However, the body cannot produce them itself. Therefore, vitamins must be continuously supplied in sufficient quantities through food, the sun (in the case of vitamin D), or at least through supplementation. In winter, however, the days are shorter; the days are usually spent indoors in frosty temperatures, and vitamin D suppliers are therefore reduced. So, how do we replenish our vitamin D stores without the sun to stay healthy? As we all know, the sun is in short supply in the winter.…
Read MoreCan you fill up on vitamin D through the window?
