Saturday, June 18, 2011

Vitamin D Improves Sperm Quality


Vitamin D is important for optimal reproductive function in both animals and humans. It has long been known that serum vitamin D level is important for reproductive function in various animals, but now researchers from the University of Copenhagen and Copenhagen University Hospital have shown that this relationship can also be demonstrated in humans.

A new study conducted in 300 normal men showed a positive correlation between the percentage of motile sperm and serum vitamin D levels. The study was recently published in the scientific journal Human Reproduction, and showed additionally that stimulation of human spermatooza in the laboratory with activated vitamin D can increase their forward movement.

More studies needed

However, the authors admitted that there is a need to intensify reproductive research to identify relevant factors and conduct placebo-controlled trials to clarify whether vitamin D supplements are beneficial for infertile men.

Journal Reference:

M. Blomberg Jensen, P. J. Bjerrum, T. E. Jessen, J. E. Nielsen, U. N. Joensen, I. A. Olesen, J. H. Petersen, A. Juul, S. Dissing, N. Jorgensen. Vitamin D is positively associated with sperm motility and increases intracellular calcium in human spermatozoa. Human Reproduction. (2011) 26 (6): 1307-1317. 2011; 10.1093/humrep/der059

Picture credit: Not related to the news but probably depicting retrograde ejaculation - the entry of semen into the bladder instead of going out through the urethra during ejaculation. But talking about the prostate, see our next article for the latest confirmation on the beneficial relationship between intake of broccoli and the health of your prostate gland.

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