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Question
Sir
I have been drinking pomegranate juice for its health
Benefits.
I did some reserch and found it raises testerone.
I am worried it will stop my own testerone  production
Causing testicle and penis shrinkage.
Is this true?or am I worrying for nothing.?
Kind regards

Answer
Michael, I was previously unaware of the potential of pomegranate juice to increase the testosterone levels.  I did know that it provides helpful antioxidants and may help to lower the blood pressure.  I read a number of online articles and they all site the exact same (and only) reference.  This was a study from Queen Margaret University in Edinburgh.  They tested only 58 volunteers and found that the "salivary" testosterone level increased in an average of 24% (16-30 %).  I can find no information on what a normal salivary testosterone level should be for as far as I know, this has never been used in the medical fields of urology or endocrinology.  We use the serum total and free testosterone levels.  I could find no reference in any other scientific literature.  This one study has been propagandized by some in  the nutrition industry to suggest that pomegranate juice is the "new Viagra".  I highly doubt that its possible beneficial effects will improve function in men with ED.

Now for your question specifically:   I think it just about impossible for 1-2 glasses of pomegranate juice daily to significantly increase your serum testosterone enough to curtail your natural testosterone production.  Giving a man exogenous testosterone orally or by injection can indeed lower normal testosterone production.  However, the amount given exogenously by these methods would provide a tremendously higher amount of testosterone than you would get from pomegranate juice.  

I do not believe you have any cause for concern.  If you still do, stop drinking the pomegranate juice.

Good luck.

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Arthur Goldstein, M.D.

Expertise

Problems or questions related to the field of urology; ie urinary stone disease, urinary cancers (kidney, bladder, prostate, testis, etc.), urinary infections, etc. I no longer answer questions related to erection problems or male sexual dysfunction.

Experience

I am retired from the active practice of urology. My 34 years was totally in the clinical field and involved the entire gamut of genitourinary problems, with special interest in endourology.

Organizations
American Medical Association, American Urological Association, American College of Surgeons

Education/Credentials
College degree - BS Medical degree - MD Master of Science - MS

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