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Main clinical trials found by using ‘food supplements’, ‘micronutrients’, ‘vitamin D’, and COVID-19 as keywords.
| Clinical Trials |
|---|
| 154 trials—keywords ‘food supplement’ and ‘COVID-19′ |
| 86 trials—keywords ‘micronutrients’ and ‘COVID-19′ |
| 68 trials—keywords ‘Vitamin D’ and ‘COVID-19′ |
Source: Clinical Trials Registry Platform [24].
