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Royal Jelly increases testosterone levels by 22%

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A little bit of Royal Jelly increases testosterone level by 22 percent

As we wrote in 2011, animal studies showed that a supplement with Royal Jelly increased the production of testosterone. This is also true for humans, as we now know. We found a human study in the digital scientific journal of Thi-Qar College of Medicine in Iraq.



A little bit of Royal Jelly increases testosterone level by 20 percent


Study
The study that we found in the Thi-Qar Medical Journal dates from 2007 and concerns 83 infertile men who wanted to have children.

The researchers divided the men into four groups who all took 10 gr honey before going to sleep at night.

The first group used honey containing 100 mg Royal Jelly. The second group used honey with 50 mg Royal Jelly, and the amount for the third group was 25 mg. The fourth group used honey without Royal Jelly.

The supplementation lasted for 3 months. The study does not mention which sort of Royal Jelly was used.

A little bit of Royal Jelly increases testosterone level by 20 percent


Results
Although the men did not produce more spermatozoa as a result of the supplement, the Royal Jelly did increase the activity of the spermatozoa. The first table included below shows that the percentage of moving spermatozoa increased as a result of the supplement.

Royal Jelly increased the production of the stimulating hormones FSH and LH by some tens of percent. The second table shows the effect on the concentration of LH.

A little bit of Royal Jelly increases testosterone level by 20 percent



A little bit of Royal Jelly increases testosterone level by 20 percent



A little bit of Royal Jelly increases testosterone level by 20 percent


As shown above, Royal Jelly increased the concentration of testosterone by 20 percent. Twenty percent may not seem like much, but you only need 25 mg Royal Jelly a day to realise this effect.

Royal Jelley overdose?
Chinese researchers at Nanchang University published an animal study in Food and Chemical Toxicology in which daily doses of Royal Jelly of some hundreds of milligrams per kg of body weight had undesirable hormonal effects. [Food Chem Toxicol. 2012 Jun;50(6):1834-40.] The doses in the study from Iraq are of a different order.

Source:
Thi-Qar Medical Journal 2007 1(1);1-12.
 
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