Meta-Analyses Confirm Vitamin D Defends Against COVID

Proper amounts of sun exposure allow your body to optimize production of vitamin D and melatonin.

STORY AT-A-GLANCE

• Since December 2021, four large systematic meta-analyses have been published, looking at either vitamin D levels, supplementation or both. In all cases, the data consistently show that low vitamin D levels raise your risk of COVID while higher baseline levels and/or supplementation lowers all risks by 1.5 to three times

• In the first of t…