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Will taking the supplement ZMA (Zinc monomethionine and aspartate and Magnesium Aspartate) help to increase sperm count?

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Will taking the supplement ZMA (Zinc monomethionine and aspartate and Magnesium Aspartate) help to increase sperm count due to it increasing testosterone levels?

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Category: Family Physician-GP
 21 Doctors Online


ZMA (Zinc monomethionine aspartate and magnesium aspartate) supplement is used during training for increased muscle strength. In the initial studies by Dr.Brille and Conti (Victor conti was the developer of the supplement), it was found to significantly increase zinc , magnesium and free serum testosterone levels in persons taking ZMA compared to others.

Further studies in 2004 and 2006 contradicted these results as they found no increase in free or total serum testosterone levels. However both studies noticed increase in zinc levels in people taking ZMA supplements.

Testosterone plays key role in sperm production. Zinc is an important trace element required for many enzymes in our body. It is rich in semen and also plays a role in spermatogenesis and testicular function. There is no evidence that ZMA increases sperm count as of now. But, if at all it should increase sperm count, it has to be due to increased zinc level in the body but not due to testosterone increase as evidenced from studies.

Hope this helps. Thank you.

Dr. John Monheit
Category: Family Physician-GP
Residecny: North Colorado Family Medicine
Medical School: The Chicago Medical Center
Dr. John Monheit and 4 other Medical Specialists are ready to help you

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