An online check threw up this cautionary pharmacological article:
What is the mechanism of action by which Misai Kucing (Othosiphon stamineus Benth) decreases uric acid levels?
Still on the prostate, coffee may be a better choice... not to shrink the enlarged prostate but in possibly preventing the recurrence and progression of prostate cancer (caveat emptor!):
Four or More Cups of Coffee a Day May Keep Prostate Cancer Recurrence and Progression Away
(I like this coffee mug!)
Here's more kudos for coffee (and nuts)...
Benefits Of Coffee: Caffeine Really Does Help When Trying To Recall Information
(Do click on the "Coffee vs Sex" link too.)
How Coffee, Citrus And Nuts Help Cut The Risk Of Diabetes
Drinking 3 Cups Of Coffee A Day Could Lower Liver Cancer Risk By More Than 50%
Finally, I came across this ST article (July 16, 2011) on a local study linking coffee and liver cancer prevention: