placebo capsule, COLECALCIFEROL clinical trials

Personalized Vitamin D Supplementation for Reducing or Preventing Fatigue and Enhancing Quality of Life of Patients with Colorectal Tumor: Randomized Intervention Trial (VICTORIA)

This study looks at whether a personalised vitamin D supplement can help reduce tiredness and improve daily life for people with bowel cancer. It's for those who have finished treatment within the last year and have low vitamin D levels.