Tribulus Terrestris is a plant native to many places including parts of Asia, Europe, Africa, and Australia. It usually grows in colder climates and is considered a pest due to its abundance and hazardous spiky fruits. Other names include caltrop or puncture vine.

How Does Tribulus Effect Penis Enlargement?

The active chemical in tribulus, Protodioscin, has been shown to increase testosterone levels and libido among other things and is closely related to DHEA. The libido enhancing effect is likely to be due to the release of nitric oxide in the penis. As a result, more blood flow is allowed to circulate the penis and stimulate growth and repair during a penis enlargement routine.

Do We Recommend Taking Tribulus Terrestris?

Given the research on Tribulus Terrestris, we feel that it should be incorporated in to the penis enlargement nutritional program. We suggest 500-1500 mg of extract per day in pill form.


Aphrodisiac properties of Tribulus Terrestris extract (Protodioscin) in normal and castrated rats.

K. Gauthaman, P. G. Adaikan and R. N. V. Prasad

Department of Obstetrics and Gynaecology, National University Hospital, National University of Singapore, Singapore 119074, Singapore

Tribulus terrestris (TT) has long been used in the traditional Chinese and Indian systems of medicine for the treatment of various ailments and is popularly claimed to improve sexual functions in man. Sexual behaviour and intracavernous pressure (ICP) were studied in both normal and castrated rats to further understand the role of TT containing protodioscin (PTN) as an aphrodisiac. Adult Sprague-Dawley rats were divided into five groups of 8 each that included distilled water treated (normal and castrated), testosterone treated (normal and castrated, 10 mg/kg body weight, subcutaneously, bi-weekly) and TT treated (castrated, 5 mg/kg body weight, orally once daily). Decreases in body weight, prostate weight and ICP were observed among the castrated groups of rats compared to the intact group. There was an overall reduction in the sexual behaviour parameters in the castrated groups of rats as reflected by decrease in mount and intromission frequencies (MF and IF) and increase in mount, intromission, ejaculation latencies (ML, IL, EL) as well as post-ejaculatory interval (PEI). Compared to the castrated control, treatment of castrated rats (with either testosterone or TT extract) showed increase in prostate weight and ICP that were statistically significant. There was also a mild to moderate improvement of the sexual behaviour parameters as evidenced by increase in MF and IF; decrease in ML, IL and PEI. These results were statistically significant. It is concluded that TT extract appears to possess aphrodisiac activity probably due to androgen increasing property of TT (observed in our earlier study on primates).

Conclusion: Tribulus Terrestris is an effective Male Enhancement Product.

  1. I am seeking for penis enlarge methods

  2. Nissar Ahmad Shinwari

    Im using tribulus fruit nothing is added because the where I live there are a lots of the plant could be find easily im just putting the fruit of plant in crusher machine . is this ok for health or should be add something else in it. thanks

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