Effects of vitamin D on sex steroids, luteinizing hormone, and testosterone to luteinizing hormone ratio in 307 infertile men

ConclusionVitamin D  + calcium supplementation did not alter sex steroid production in infertile men. However, vitamin D insufficient men treated with vitamin D supplementation had a significantly higher testosterone/LH ratio compared with placebo-treated men, suggesting that optimal Leydig cell function are dependen t on adequate vitamin D status.
Source: Andrology - Category: Urology & Nephrology Authors: Tags: ORIGINAL ARTICLE Source Type: research