Conversations among survivors and evidence in the literature suggests that there is a positive association between serum 25-hydroxyvitamin D

[25(OH)D] (vitamin D3) and survival in certain types of cancer, including advanced prostate cancer.

Researchers from the Cancer Treatment Centers of America investigated the relationship between survival advantage and vitamin D3 levels in newly diagnosed stage IV prostate cancer survivors.

In their study they looked at 54 men who were treated at their institution and who were newly diagnosed stage IV pro