Fenugreek has become popular recently as a testosterone booster in bodybuilding supplements. There is no proof at all that this is true. Because of it’s effect on blood sugar levels it could be useful as a cutting supplement used to lower blood sugar and insulin spikes. 2 out of 10 stars!
Activate – Activate is a fairly new product from Designer Supplements that claims to increase free testosterone levels in the body. The active ingredient has been trademarked under the name Divanil and is an extract of the stinging nettle plant.
Your body has both free testosterone and bound testosterone. Only the free testosterone is of use to you in building muscle. So, you may have high testosterone levels, but if all of it is bound it is useless to you for muscle building.