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Tribulus terrestris
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Tribulus terrestris

Tribulus Terrestris, also known as Puncture Vine, Tribulus Terrestris contains steroidal saponins, and act as a natural testosterone enhancer. Tribulus Terrestris is mainly used to increase the sex drive, increase muscle mass. Besides Tribulus Terrestris's also known to treat the problems of liver, kidney and cardiovascular system.

Studies performed on Bulgarian Weightlifters are the primary source of most health claims regarding tribulus. According to this research, tribulus increases levels of various hormones in the steroid family, including testosterone, DHEA and estrogen, and for this reason improves sports performance, fertility, sexual function, and symptoms of menopause.

Though the design of these studies appear to fall short of modern scientific standards, and there has not been any scientific confirmation of these benefits. One well designed study failed to find that tribulus affects male sex hormone levels in young men - who already have elevated levels of testosterone.

Preliminary studies are quoted as proving that tribulus is helpful for the treatment of angina, high cholesterol, diabetes and muscle spasms, and for the prevention of kidney stones.

The best designed and most recent human study compared the effects of tribulus (3.21 mg per kilogram of body weight—for example, 292 mg daily for a 200-lb man) against placebo on body composition and endurance among 15 men engaged in resistance training. At the end of the 8-week study, the significant difference between the treatment and placebo groups was greater gains in endurance.

Dosage
Tribulus terrestris is usually taken at a dose ranging from about 85 to 250 mg  times daily with meals. Some tribulus products are standardized to provide 40% furostanol saponins and taken at a dose providing 115 mg of saponins 2 to 3 times daily.

Safety Issues
No significant adverse effects have been noted in any of the clinical trials or human research studies of tribulus. Animal studies performed in Bulgaria are said to have found tribulus safe both in the short and long terms. However, it is not clear whether these studies were performed in such a way that their conclusions can be trusted.

Note: Women who are pregnant or nursing should not use any tribulus product, because if it works as described it might alter hormones in unsafe ways.

Recommended Products
Tribulus 650 100 Caps from Dymatize >

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Other Men's Performance Products >

Feature Article

The Genesis of Tribulus

Tribulus Terrestris is promoted as a testosterone booster for building muscle and increasing sex drive. Its use for this purpose originated in Eastern Europe in the 1970's. However, it was not until noted strongman Jeffrey Petermann's use that it became popular amongst amateur bodybuilders in North America.

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