By vgreene, 7 April, 2020 Cold prevention No benefit of regular vit C 200 mg PO qd use on cold incidence 29 trials N 11 306 except in athletes soldiers exposed to brief severe exercise 5 trials N 598 per meta analysis8
By vgreene, 7 April, 2020 High dose IV vit C 50 200 mg kg day suggested for severe critically ill COVID 19 inpts to uarr oxygenation prevent cytokine storm per Chinese expert opinion 5 Clinical trials in pneumonia inpts underway in China 12 g IV q12h x7 days 6 Italy 10 g IV x1 7
By vgreene, 7 April, 2020 “Immune-boosting” cold/flu remedy based on anti-oxidant, immune fxn properties; humans require exogenous vit C, plasma levels may ↓w/ infxn3
By vgreene, 7 April, 2020 There s no scientific evidence that vit C or any alternative remedy is effective for COVID 19 prevention tx1