According to a growing body of research, people with asthma may benefit from taking vitamin D.

Indeed, low or deficient levels could be to blame in the first place. Also, due to the vitamin’s anti-inflammatory properties, vitamin D can help calm inflamed asthmatic airways as well as reduce the risk of the common cold and other upper respiratory tract infections which can lead to asthma exacerbations (a flare-up of asthma symptoms needing steroid medication).

Read on to find out how research supports the use of oral vitamin D supplementation for the reduction of asthma flare-ups and emergency hospital treatment.