This is important because protodioscin is the active ingredient in tribulus terrestris that is responsible for stimulating the luteinizing hormone and raising testosterone levels (naturally). Most supplement companies just sell tribulus with no active ingredient. Hell, most companies do not even know what protodioscin is. To prove this we have commissioned analytical studies on 8 of the top selling products that contain tribulus terrestris. The results are a damning indictment of many of the fraudulent claims being made by some of the biggest companies in the unregulated industry of dietary supplements. The lab reports are posted right here so you can see for yourself just how much active ingredients these products don't have. Anybody who tries the new Tribosten will know the difference. ThermoLife International is the first and only company to ever release a tribulus terrestris based protodioscin product of this magnitude.

For example: EAS has a label claim of 35mg of protodioscin in each serving of EcdyMax but the lab report reveals that each serving of EcdyMax contains 0.0mg of protodioscin per serving. See how inferior the rest of the companies compare next to the high standard of ThermoLife International products.

The new Tribosten is now in stock and contains a minimum of 20% protodioscin. Be the first to experience the only real, natural, holistic way to elevated testosterone levels.

Tribosten™ – Protodioscin Delivery System ™ has taken over as the worlds # 1 tribulus terrestris product. ThermoLife International's research and development team has worked directly with the first and only American scientists to separate pure protodioscin from the tribulus terrestris plant.

Previously, this technology was only known to a handful of Bulgarian scientists who kept this secret under lock and key. This new technology has enabled ThermoLife International to produce Tribosten, a superior tribulus terrestris product with a higher percentage of protodioscin than anything else ever available before. This is important because protodioscin is the active ingredient in tribulus terrestris that is responsible for stimulating the Luteinizing Hormone and ultimately raising testosterone levels (naturally). This combined with Bioperine, a patented extract for increasing bio-availability of oral supplements guarantees you the finest tribulus product your money can buy and the only Protodioscin Delivery System available.