Table 1 Various studies conducted for the beneficial and neuroprotective role of Vitamin D3
Major remark | COVID-19 cases | Hospital/countries | References |
|---|---|---|---|
Vitamin D3 (1000 IU), Mg (150 mg), and vitamin B12 (500 µg) | 43 | Singapore | [2] |
No major outcomes due less sample | 92 | USA | [41] |
Hypo-vitaminosis D in COVID-19 Patients | 137 | Italy | [42] |
1000 IU (25 mg) per day | Variable according the region | UK, Iceland, Norway, Finland | [43] |