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Biotest Tribex 500 Review

Tribex 500: Tribulus Terrestris & Eurycoma Longifolia

Biotest's Tribex 500 has proven quite effective boosting testosterone levels, and helping athletes gain more lean muscle mass and lower body fat content. Two of the main ingredients in Tribex 500 is Tribulus Terrestris and Eurycoma Longifolia (tongkat ali).

Tribulus Terrestris in Tribex

I won't go in detail about Tribulus since we already have a full article talking about it. Read about Tribulus Terrestris here. Tribulus works by increasing luteninizing hormone (LH) in your body, which stimulates testosterone production. A major benefit of Tribulus Terrestris is that it's a herb and not a hormone, and there are very few, if any side effects associated with it.

When it comes to the effectivenss of tribulus for strength and muscle gains, there are many conflicting views and opinions. There are also research and studies[1, 2] that have found Tribulus to have little effect on muscle and strength gains. Despite this, many users, myself included, have had a positive experience using tribulus. Perhaps it's the placebo effect or something else, but regardless, tribulus is a relatively inexpensive supplement.

Eurycoma Longifolia (Tongkat Ali)

Eurycoma Longifolia (Tongkat Ali) - Tongkat ali, latin name Eurycoma longifolia, is a root that grows in the rainforests of Southeast Asia. It has been reported that Eurycoma longifolia Jack commonly known as Tongkat Ali has gained notoreity as a symbol of man's ego and strength by the Malaysian men because it increases male virility and sexual prowess during sexual activities.[4] Similar to Tribulus, the herb works by affecting the lutenizing hormones in the body, which signal testosterone production. Various studies in rats have shown Tongkat Ali to increase sex drive and libido.

Effects of Eurycoma longifolia jack on laevator ani muscle in both uncastrated and testosterone-stimulated castrated intact male rats.
Ang HH, Cheang HS.
School of Pharmaceutical Sciences, University Science Malaysia, Minden, 11800, Penang, Malaysia.

200, 400, and 800 mg/kg of tongkat ali were studied on both uncastrated and castrated male rats for a 12 week period. This study found that 800mg/kg dose significantly increased the leavator ani muscle (broad, thin muscle on side of pelvis) compared to the control groups. The pro-androgenic effect as shown by this study further supported the traditional use of this plant as an aphrodisiac.

What To Expect From Biotest Tribulus Tribex

The million dollar question is: what can you get out of Tribex 500? Depending on factors such as your diet, supplementation, workout regime, on average you can expect some modest gains within 4 to 8 weeks. Obviously, this doesn't work for everyone, and different individuals will experience different results. You can read user posted reviews on Biotest Tribex here.

In a study involving 2 football plays and 3 bodybuilders, 1 capsule of Tribex was administered for 22lbs of body weight over a 6 week period. At the end of 6 weeks, on average, lean body mass increased by 5lbs, body fat dropped by 1%, and 1 max rep bench press increased 18lbs. Now, considering that these were already well trained athletes, the results are very encouraging.

Biotest Tribex Side Effects

Generally, there are little to no side effects reported. You may notice an increase in sex drive, and perhaps some extra acne break outs, but these are easily dealt with. On the plus side, you get the boost in testosterone levels, which can help you gain lean mass and strength.

>> Click here for Tribulus Terrestris

1. J Strength Cond Res. 2007 May;21(2):348-53. The effect of five weeks of Tribulus terrestris supplementation on muscle strength and body composition during preseason training in elite rugby league players.Rogerson S, Riches CJ, Jennings C, Weatherby RP, Meir RA, Marshall-Gradisnik

2. Int J Sport Nutr Exerc Metab. 2000 Jun;10(2):208-15. The effects of Tribulus terrestris on body composition and exercise performance in resistance-trained males.Antonio J, Uelmen J,