His formulas are likely some of the best herbs on the planet--strong and 99.9% organic which means they are 7-10 times higher in the phytochemicals that cure and prevent disease than conventional herbs.
Tinctures are possibly the best way to take herbs and are directly absorbed into the bloodstream. The alcohol menstrum extracts more of the plant chemicals that help heal.
Of course to heal the kidney disease that resulted you will need the things I mentioned in my previous post (incurables program/vegan raw diet/35 steps).
Also check the site hacres.com and go to the library tab and type in various diseases to see the power of raw foods.
(that diet is 85% raw). do not worry if his particular ill is not mentioned as raw diets and the save your life incurables help nearly everything.
Read the rat study at Shirley's wellness cafe (type raw food into the search) then scroll down to rat experiment. also see the pottenger cat study.