Table 4 Vitamin D correlation, in vivo and intervention studies testosterone
From: Plausible ergogenic effects of vitamin D on athletic performance and recovery
Author | Reference # | Population | Subjects/specimens | Type of study | Intervention | Duration | Results |
|---|---|---|---|---|---|---|---|
Wehr et al. 2010 | [53] | Elderly | 2,299Caucasian Male Subjects (age S2 ± 11) | Cross-sectional | - | - | Positive correlation seen between 25(OH)D levels and Testosterone and Androgen Levels |
Pilz, Frisch & Koertke 2011 | [59] | Healthy Males | 54 Healthy Overweight Males (age range 20–49) | Intervention - RCT | 3332 lU/Day of Vitamin Dor Placebo | 12 Months | Significant ↑ in 25(0H)D, Total Testosterone, Bioactive Testosterone and Free Testosterone Positive relationship between higher |
Kinuta et al. 2014 | [60] | Rat Model | VDR Knockout Mice | Intervention - In Vivo | VDR Knockout Mice - Disruption of VDR gene | - | 25(OH)D levels and inhibition of gonadal armoatization of testosterone |