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Supplement Reviews
Tribulus
Terrestris
This herb used in Ayurvedic medicine that’s also known as puncture
vine, has been shown to boost testosterone levels naturally through
a unique mechanism. Basically, it stimulates leutinizing hormone (LH)
production from the anterior pituitary gland, which in turn
stimulates testosterone production. Some clinical studies have shown
that tribulus can enhance LH and free testosterone levels in healthy
subjects by 70 and 40 percent, respectively. A Bulgarian study
revealed that more than 200 men suffering from impotence—which is
often caused by low testosterone levels—showed improved testosterone
and LH levels as well as sperm production after the subjects
supplemented with a preparation of tribulus terrestris. The research
also shows it to be very safe. The LD50, a measure of an
ingredient’s lethal toxicity, for tribulus in rats was more than 10
grams per kilogram of bodyweight, which is an incredibly high dose.
The active compounds of tribulus terrestris that may be responsible
for its anabolic and aphrodisiac properties are the furostanol
saponins, including protodioscin. It works at a divided dose of
about 750 to 1500 milligrams per day. Great times to take it are
first thing in the morning and one hour before a workout.
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