HARD,
I use roughly 8 grams per day of Bulgarian Tribulus. The different brands vary, but the one I use is Ultimate Nutrition brand Tribulus, which contains over 45% steroidal saponins (the more the better).
Also I have been stacking this with 6 grams per day of Siberian Ginseng Root (ROOT) which studies have shown also elevates testosterone levels (at this high dosage). The problem with high dosages of Siberian Gensing is that it will make you smell like you have eaten 15 LBS of fresh garlic bulb (LOL).
I use roughly 8 grams per day of Bulgarian Tribulus. The different brands vary, but the one I use is Ultimate Nutrition brand Tribulus, which contains over 45% steroidal saponins (the more the better).
Also I have been stacking this with 6 grams per day of Siberian Ginseng Root (ROOT) which studies have shown also elevates testosterone levels (at this high dosage). The problem with high dosages of Siberian Gensing is that it will make you smell like you have eaten 15 LBS of fresh garlic bulb (LOL).