https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2022.1011522/full
Frontiers | The effect of Nigella sativa and vitamin D3 supplementation on the clinical outcome in...
Apr 28, 2026 - Background: The coronavirus disease 2019 (COVID-19) is a novel coronavirus that causes a severe respiratory infection. Since the immune status plays an essen...
nigella sativavitamin d3frontierseffectsupplementation