Pasting some of my research on increasing GFR:
You can raise your eGRF by 30 points by doing this:
+10 points : Selenium + Coenzyme Q10
+10 points: Activated charcoal (2g) + Cascara
- 10 points: Astragalus (Not a big fan of herbs, but if you need the increase, it is worth it)
Look at the screencaps in the tweet for reference studies: https://twitter.com/bioenergy_space/status/1748065253554880635
Also targeting fibrosis is critical. Suggest looking into pentoxifylline