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Table 2 Vitamin D3 supplementation in PD patients

From: The relationships of vitamin D, vitamin D receptor gene polymorphisms, and vitamin D supplementation with Parkinson’s disease

Author

Country

Type of study

Number of participants (T/C)

Intervention

Follow-up

Adverse events

Hiller et al. 2018 [148]

USA

RCT

27/24

Vitamin D3 10,000 IU/day

16 weeks

None

Suzuki et al. 2013 [41]

Japan

RCT

56/58

Vitamin D3 1200 IU/day

12 months

None

  1. T treatment group, C control group, PD Parkinson’s disease