RCT: Vitamin D3 does not improve outcomes in hospitalized patients with moderate to severe COVID-19

Effect of a Single High Dose of Vitamin D₃ on Hospital Length of Stay in Patients With Moderate to Severe COVID-19: A Randomized Clinical Trial – JAMA

Editorial: Vitamin D₃ to Treat COVID-19: Different Disease, Same Answer

In this RCT a single high dose of #vitaminD3 (100K IU) raised mean serum 25OH D levels but had no effect on hospital LOS (primary outcome), in-hospital mortality, ICU admission, or need for mechanical ventilation (secondary outcomes) https://t.co/eozVaYnb25

— JAMA (@JAMA_current) February 17, 2021