- Systematic Review
The Role of Vitamin D in Parkinson’s Disease: Evidence from Serum Concentrations, Supplementation, and VDR Gene Polymorphisms
- Jamir Pitton Rissardo and
- Ana Leticia Fornari Caprara
16 December 2025
Background/aim: Vitamin D (VitD) has been implicated in neuroprotection, yet its role in Parkinson’s disease (PD) remains unclear. This systematic review and meta-analysis aimed to evaluate the association between VitD status, supplementation,...

