Possibly: There is some research, largely done in animals, where receptors for the action of vitamin D in various tissues were "knocked out." When vitamin D was "knocked out", sperm count was sometimes reduced. Also noted is some seasonal variation in testosterone levels being lower in the winter, like vitamin D is when there is less sun exposure. Recommended daily intake is 400-600 IU daily
Answered 8/27/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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