Personally, I believe that none of those natural testosterone support pills available in the market work as they claim. I used once a stack of different pills from Muscletech. Back then the top of the line used to be "acetabolan II" from muscletech which is pretty much the same thing as Tribex. I stacked the acetabolan with other pills I can't remember their names right now, but they were pro hormones from muscletech as well, plus I was taking Creatine too. I followed the recommended dosages. The outcomes were that I clearly gained about 3 pounds of muscle in about 1 month, and experienced frequent erections. However it is hard to say what product might've caused such effects. The muscle gains could've been the creatine, and the erections I can't tell whether was the acetabolan or due to the usage of the pro hormones which are supposed to convert into free testosterone.
Bottom line before you fall asleep, I don't think tribex or similar testosterone support products are the way to go. Not for body building purposes at least.
If your test levels are low Juice it up Dude, don't waste your money!!!