Immunity Boostup 08.08.2020, 12:01:31 | Spending some time in natural light is one of the key ways our bodies manufacture vitamin D. Vitamin D plays a role in helping our immune systems produce antibodies, low levels of vitamin D, on the other hand, have been correlated with a higher risk of respiratory infection. http://www.ladyfunclub.com/2020/07/immunity-911-review/ |