Boost your Vitamin D Levels to Reduce COVID-19 Risk

Vitamin D is a superstar nutrient for supporting the immune system and reducing the risk of a cold, flu and acute respiratory tract infection. Researchers are now linking low vitamin D status (less than 20 ng/mL or 18 pg/mL, respectively) to an increased risk of COVID-19 in a study published this week. Vitamin D levels were tested in nearly 500 patients…