...or you could do what hundreds of people do without the need for advanced consultation and just use the kidney and organ mushrooms - cordyceps sinensis and reishi.
They are readily available at most health food stores now, not just Asian ones.

I have guy that spent tens of thousands and weeks at a time in the hospital - I put him on cordyceps/reishi/turkeytail mix with essiac tea. No more problems.

But the main kidney mushroom is cordyceps. Comes in capsules and is currently being studied as a way to save un-saveable kidneys.