Philippe Autier i wsp. Vitamin D status and ill health: a systematic review , LINK: The Lancet Diabetes & Endocrinology, Early Online Publication
Results from intervention studies did not show an effect of vitamin D supplementation on disease occurrence, including colorectal cancer. In 34 intervention studies including 2805 individuals with mean 25(OH)D concentration lower than 50 nmol/L at baseline supplementation with 50 μg per day or more did not show better results.
The discrepancy between observational and intervention studies suggests that low 25(OH)D is a marker of ill health. Inflammatory processes involved in disease occurrence and clinical course would…
Opracowane na podstawie: Lancet / 6 grudnia 2013