No. None that have been scientifically proven most of the herbs are marketed with anecdotal evidence, at best even saw palmetto, which is commonly used for BPH was shown in a very large randomized, placebo-controlled study to be no better than placebo (but remember that placebo works ~30% in most studies).
No. Several studies were done on saw palmetto and it was no better than placebo.
Here are some ... All the commercially touted prostate-health-enhancing herbs or pills contain similar ingredients usually being saw palmetto, pygeum, multiple vitamins, minerals - zinc, selenium, lycopene, ginseng, bee pollens, etc. and all based on animal studies but failed to stand time-testing in humans. So, the real fever for prostate health has significant faded over the past 10 yrs, but copywriting still..