Is black cumin seed oil effective against Covid 19? We know that black cumin seed oil is significant to regenerate immune systems impaired from things like cancer treatment. Now scientists are now focusing on whether the thymoquinone content of black cumin seed oil, might be useful in the battle against Covid 19. Here at this link, you can read some of that argument. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7338708/ Share your thoughts on black cumin seed oil, with me at my Zenian Facebook page. We need better answers to Covid 19 than what is available now.