What about COVID-19 and vitamin C?

General Health
Long-time readers know that my "go-to" sources for natural medicines (herbs, vitamins, and supplements) are ConsumerLab.com and Natural Medicines(TM). ConsumerLab has posted about coronavirus and vitamin C: Vitamin C is vital to the function of leukocytes (white blood cells that help to fight infections) and overall immune system health. Vitamin C is also important for iron absorption, and being deficient in iron can make you more vulnerable to infections in general.  However, even for viruses like colds, the evidence that vitamin C supplements can help is modest at best: Taking high-dose vitamin C (e.g., 500 mg twice daily) before getting a cold may slightly reduce the severity and duration of a cold, but, there is inconclusive evidence as to whether taking vitamin C will help after cold symptoms develop. Note that the normal, recommended daily intake of vitamin C for…
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