@success811
You can read in this list and use appropriate serums for breathing coughing ear balance and fatigue
https://www.litairian.com/cosmic-serums/
You have been a VK user past few years , we suggest you to read the articles and choose.
Or use SEARCH option on this forum and litairian website.
Sharat Sir guides us to be independent with reading
GOLDEN SUNRISE to your wife's speedy recovery
What serums did you use for her while she was Covid positive?