Vitamin D and Testosterone. Sunshine Vitamin Not So Manly, After all? Vitamin D Increases Aromatase Activity in Sertoli Cells
Vitamin D is all the rave. Even mainstream nutritionists are now jumping on the vitamin D bandwagon and the hype is spilling over from the Internet to newspapers and TV stations. "Take your Vitamin D!" is what children and adults, men and women, couch-potatoes and top-level athletes are told. Recently discovered problems related to the accurate measurement of actual vitamin D levels aside (e.g. Shah. 2011 ), a recent investigation into the immediate effects of vitamin D on aromatase activity in Sertoli cells of rat testes, suggests that we have to reevaluate whether this advice, which is hitherto largely based on epidemiological data, is not overgeneralizing, to say the least. Image 1: Transverse section of a tubule of the testis of a rat. X 250. (Wikipedia) After all, the results of the aforementioned study, which has been published in the Journal of Vertebrate Reproduktive Science & Technology ( Zanatta. 2011 ), c...