I am guessing curry powder (main ingredient is turmeric) must be helpful to subdue viruses, because India with more than 4 times bigger population crammed into a landmass 1/3rd size of USA had less deaths from covid than USA.
It was suggested as a substitute for Ivermectin in a posting yesterday. Yes, it is black cumin seed powder. I think the posting was a suggestion from Frontline Doctors.