Vitamin D from Sun, a necessity for human life. Pollution of Earth affects electromagnetic spectrum and radiation of Sunlight. A very weak part of Ultraviolet ray of Sun reaches the Earth surface. It gives Vitamin D to the human, which…
Should you take vitamin D supplements during the winter months, or do you obtain enough vitamin D from sunlight? For more information please visit: www.roberybarrington.net Eat Well, Stay Healthy, Protect Yourself RdB