Probably hundreds of trials have been conducted around the world with this product by top consultants.
Check out the Prostatitis Foundation web site and this recommendation
Avoid any product which just says it is a pollen product. All the trials were conducted using a Rye grass pollen and not just pollen.
Buy this product here
Before you use any product or treatment your first move should be a visit to your GP/MD to have an accurate diagnosis of your problem. Otherwise at best you could be wasting your money, at worst you could be doing yourself harm by neglecting a potentionally serious problem.