Vitamin D levels and risk of type 1 diabetes: A Mendelian randomization study.
Despoina ManousakiAdil HarroudRuth E MitchellStephanie RossVincenzo ForgettaNicholas John TimpsonGeorge Davey SmithConstantin PolychronakosJohn Brent RichardsPublished in: PLoS medicine (2021)
Our findings suggest that 25OHD levels are unlikely to have a large effect on risk of type 1 diabetes, but larger MR studies or RCTs are needed to investigate small effects.