Journal of Sports Medicine & Doping Studies

Liske E

Publications

• Research Article
  The Eurycoma Longifolia Freeze-Dried Water Extract-Physta® Does not Change Normal Ratios of Testosterone to Epitestosterone in Healthy Males
  Author(s): Annie George, Liske E, Chen CK and Ismail SBAnnie George, Liske E, Chen CK and Ismail SB
  
  Eurycoma longifolia is traditionally known for its adaptogenic properties and often used for the general well-being and increased performance in daily life. Methods: In a randomized, double blind, placebo-controlled clinical trial, 40 Malaysian men aged 30-55 years performed a battery of physical testings during which the ratio of Testosterone (T) to Epitestosterone (E) was analyzed. The daily intake was 300 mg of the freeze-dried water extract of Eurycoma longifolia root (Physta®, Biotropics Malaysia) or placebo for a period of 12 weeks. Results: At the end of the study the T/E-ratio in the herbal group ranged from 0.03 to 2.95 and was not significantly different from values at baseline (p=0.49). Further, the ratio-values for E. longifolia compared to placebo did not change over time. The weight lifting force which measures muscu.. Read More»
  DOI: 10.4172/2161-0673.1000127

  Abstract PDF