February 27, 2021

Background: As the COVID pandemic rages on, we continue to search for treatments to help combat the disease. Severely ill patients commonly have low levels of vitamin D and it has been suggested that optimal levels of Hydroxyvitamin D may have some immunomodulatory and anti-inflammatory properties which could benefit patients.  Vitamin D supplementation is cheap and has relatively minimal side effects making it an intriguing treatment modality. However, the data is limited.

February 19, 2021

Update: This article was removed from the Lancet server on February 19th, 2021 (Link)

Background: Vitamin D deficiency is common amongst critically ill patients and there has been ample speculation about a possible role for supplementation (with calcifediol) in the treatment of patients with COVID19. Calcifediol is cheap, readily available and, has minimal side effects making it an ideal therapeutic - if it works. To date, there is limited high-quality evidence on efficacy.