Impact of Vitamin D3 Supplementation on Cancer Progression and Survival Rates among Vitamin D-Deficient Cancer Patients: A Multicenter Randomized Controlled Trial
Background: Evidence linking vitamin D status with cancer outcomes is biologically plausible, but clinical findings remain inconsistent. Objective: To evaluate whether vitamin D3 supplementation affects cancer progression and survival in vitamin D-deficient patients. Methods: In this multicenter randomized controlled t...