Cat's Claw

Interesting question. I couldn't take Cat's Claw but I found I could take Samento a (POA free) version of it. On the internet they recommend it for autoimmunity. whereas there are warnings for Cat's Claw.
My experience with it was good at first. It hit the lyme... I felt great, and then I noticed I was getting sicker. I knew I had allergies so I started to experiment and found I was now allergic to Samento and other organ support herbs. I am now so very allergic to lots of supplements, herbs, etc.
In highsight if I knew what I know now I wouldn't have taken it. There may be other factors triggering my auto-immunity but Samento was in the mix for sure.
I am speaking on the authority of my own experience. So take this as an opinion only.