Fig. 1

Various effects of natural micronutrients and bioactive substances
| Effects | Micronutrients | References |
|---|---|---|
| Anti-inflammatory | Vitamin D, Curcumin, Quercetin, Propolis | [99, 100, 105, 106, 107] |
| Antioxidant | Vitamin C, Vitamin E, Curcumin, Selenium | [37, 106, 108, 109] |
| Antiviral | Selenium, Curcumin, Quercetin, Riboflavin, Vitamin C, Green Tea, Propolis, Resveratrol, Zinc | [99, 100, 103, 109, 110, 111, 112, 113] |
| Immune response | Vitamin A, Vitamin C, Vitamin D, Vitamin B12, Folate, Pyridoxine, Zinc, Nicotinamide, Selenium | [38, 109, 113] |
| Interferon production | Vitamin C | [111] |
| Virus-ACE2 interaction reduction | Quercetin, Curcumin | [11] |