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Ginseng cure: endurance 23 percent
Researchers at Fu Jen Catholic University in the Taiwanese capital Taipei have a scoop. They were the first scientists to the positive effects of Eleutherococcus senticosus or Siberian ginseng on endurance athletes showed in a study that quite right. Their research appeared in the Chinese Journal of Physiology.
The first evidence that extracts ofEleutherococcus senticosus a positive effect on endurance athletes may have come from older and inaccessible Russian studies. [Altern Med Rev. 2006 Jun; 11 (2) :151-5.] In these studies, endurance athletes get pretty heavy for a half hour performance a few milliliters of a concentrated alcohol solution with fabrics from Eleutherococcus senticosus , with proven performance as a result.
On that initial positive studies is plenty to criticize. More recent studies, which have been performed according to the rules of art, reported no positive results. These studies reported that such Eleutherococcus senticosus athletes in the effects of stress on immune cells and cortisol seem even louder. [Life Sci 2001 December 14, 70 (4) :431-42.]
A retrospective study from 2005, the UN, therefore, that Eleutherococcus senticosus in a dose of 1000-1200 mg per day is not interesting for endurance athletes. [Int J Sport Nutr Exerc Metab. 2005 Feb; 15 (1) :75-83.]
The Taiwanese decided Eleutherococcus senticosus another chance. The money for their research came from the Taiwanese Ministry of Agriculture, not the supplement industry.
The researchers gave 9 male students 2 hours of daily training on the tennis court, 8 weeks of daily 800 mg Eleutherococcus senticosus . The extracts were made from the roots and rhizomes of Siberian ginseng, and came from the factories of Pharmaceutical Chung in May. [chungmei.com.tw]
The students had 2 times cycling at 75 percent of their maximal oxygen until they could not. One time they had first two months swallowed a placebo [P], other times a supplement containing active substances [ES].
After the students Eleutherococcus senticosus had used them during the exercise test were 23 percent longer than cycling after plaecoperiode. That was probably because the students during the first part of the trial burn more fat and less glucose. In the shaded area in the table below you can see that their RER after half an hour of cycling was lower.
The supplementation increased the maximum oxygen consumption by 9 percent. Serious adverse events did not occur, whether a student complained about insomnia during the supplementation period.
" Eleutherococcus senticosus supplementation did Appear to Enhance endurance time consistently intense submaximal exercises with concomitant Increases in free fatty acid availability and utilization in preference over glucose for cellular energy demands , "summarized the researchers together. " It is concluded That Eleutherococcus senticosus is an effective nutritional ergogenic aids for people who perform endurance exercises, but the exact mechanisms need further investigation Involved . "
