For about 4 months now I've been taking: 500 mg Quercetin daily ( supplement for HCQ) 50 mg Zinc Daily 5000 iu D3 daily 1000 mg C. 2x daily 600 mg N-A-C for immunity lung and liver support 100 mg K-2 (gets the D3 into the cells) That was recommended from this thread:http://www.freerepublic.com/focus/news/3870910/posts?page=1One definite thing that Ive noticed is how clear my lungs are and I'm wondering if any others notice the same? If you've been on this regimen, please let us all know how its working for you. Thank you.