cholecalciferol

Low serum testosterone levels are predictive of prostate cancer Effect of vitamin D supplementation on testosterone levels in men Not the first paper to show this effect.

Successful weight loss with dieting is linked to vitamin D levelsVitamin D levels in the body at the start of a low-calorie diet predict weight loss success, a new study found. The results, which suggest a possible role for vitamin D in weight loss, were presented at The Endocrine Society's 91st...