Fenugreek has become popular recently as a testosterone booster in bodybuilding supplements. There is no proof at all that this is true. Fenugreek could be useful as a cutting aid however, due to its effect on blood sugar levels. 2 out of 10 stars!

Activate - This is a new product that says it will free up your testosterone and give you increased strength and focus. 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.

Your body controls the amount of free testosterone through a protein called Sex Hormone Binding Globulin (SHBG). The SHBG binds to your free testosterone making it unavailable for muscle building. Activate works by inhibiting (decreasing) the SHBG in your body. This means more of your testosterone is free to help with your muscle building.

There are no studies confirming the rise in free testosterone levels, but there are studies showing that lignans from stinging nettle extract inhibit SHBG and user feedback is almost unanimously positive. I myself have used Activate several times and find that it increases focus in the gym, hardens my muscles and also increased libido. 10 out of 10 stars!

6-OXO – This is a product developed and trademarked by Ergopharm. The active ingredient is 4-etioallocholen-3,6, 17-trione. There have been several short term studies done that show 6-OXO increases total and free testosterone. These studies while small have shown average free testosterone increases of 126%. Additional long term studies are being conducted and initial reports point to the effectiveness of 6-OXO as a testosterone booster. 9 out of 10 stars!

Avena Sativa – Please don't believe the hype behind avena sativa. Avena sativa is the scientific name for wild oats. While I enjoy oatmeal as a good source of carbohydrates it is not a testosterone booster? No way! Even though it is being marketed as a testosterone booster there are no studies or historical evidence that avena sativa can help boost testosterone levels. 0 out of 10 stars!

Tongkat Ali – Tongkat ali is an extract from the root of the Eurycoma shrub found mainly in Malaysia and Indonesia. It is also called Longjack and Eurycoma Longfolia.

It has been used for centuries in southeast Asia to boost libido and as an aphrodesiac. Studies confirm that it works very well, increasing both sexual function and endurance as well as libido.

Researchers are unsure how Tongkat ali works, but they believe that it both increases testosterone production and increases free testosterone. Like a 1-2 punch. Common effects from Tongkat ali are increased well being, better body composition, increased libido and increased focus and aggression.

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