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Tongkat Ali Review
Based on Scientific Research
Numerous scientific studies have demonstrated Eurycoma longifolia
Jack (Tongkat Ali) effectiveness in enhancing sexual vitality and
performance in men. Several publications based on scientific studies
& medicinal reviews also reveal Eurycoma Longifolia Jack (Tongkat
Ali) effectiveness in increasing muscle strength and size.
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Tongkat Ali Review By Dr. Simon Chua, Department of
Pharmaceutical Sciences, Wayne State University
In a preliminary study at the Reproductive Research Center in Kuala
Lumpur , Malaysia , 30married men, aged31-52 years old, took TONGKAT
ALI regularly for three consecutive weeks. Interviews indicated that
48% felt healthy, active and energized, and 40%felt increased sexual
desire. The subjects showed an increased free testosterone index.
Increased testosterone levels help improve libido, energy and muscle
mass for bodybuilding. Their levels of DHEA, another critical
steroid hormone, gradually increased from 26%after one week to 47%
after three weeks. Most subjects demonstrated increased satisfaction
in their sexual health and performance.
In addition, animal studies have shown that TONGKAT ALI may increase
testosterone availability as well as libido in mice.
(Source: Article from the book Molecular Biology of
the Cell, Published on: Sep 1, 2002)
Tongkat Ali Review By Dr. James Stoxen, Department of
Medicinal Chemistry and Pharmacognosy, University of Illinois,
Chicago
The production of testosterone (the principal male-determining sex
hormone) falls progressively from age 40. Experts call this "partial
androgen deficiency of the aging male." Androgens are steroid
hormones with specific effects on tissue growth (muscle, fat, skin,
hair and others) and brain function. They play important roles in
men and women, but are produced in much larger quantities in men. In
men after puberty, the testicles produce most androgens, mainly as
testosterone. It has been suggested that Tongkat Ali may block
negative feedback to the hypo-thalamus and pituitary glands, so the
body continues to produce testosterone at elevated levels.
(Source: Chapter 39-a from the book Eureka Bioscience
Collection , Published on: 3 rd Oct, 2003)
Tongkat Ali Review By Ang HH, Ikeda S, Gan EK. School of
Pharmaceutical Sciences,
University Science Malaysia, Minden, Penang, Malaysia
The butanol, methanol, water and chloroform extracts of the
roots of Eurycoma longifolia Jack were studied using various tests
of potency of treated male rats. The results showed that E.
longifolia produced a dose-dependent, recurrent and significant
increase in the episodes of penile reflexes as evidenced by
increases in quick flips, long flips and erections of the treated
male rats during the 30 min observation period. These results
provide further evidence that E. longifolia increases the
aphrodisiac potency activity in treated animals.
(Source: Journal index for medicine© 2001 John Wiley & Sons, Ltd,
Published on: Dec 2005.) |