Vitamin D and Immunity

Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis of individual participant data
BMJ 2017; 356 (Published 15 February 2017)
https://www.bmj.com/content/356/bmj.i6583
doi: https://doi.org/10.1136/bmj.i6583

25 mcg = 1,000 IU

Safety:
hypercalcemia: 0.5% same in placebo group
renal stones: 0.2% same in placebo group

How To Boost Immune System Against Coronavirus Infection (Abazar Habibinia, MD, Director of CAASN)
CANADIAN ACADEMY OF SPORT NUTRITION, January 28, 2020

macrophages
– vitamin D 10,000 IU
– zinc 50 – 100 mg/day

neutrophils
– avoid sugars
– vitamin C > 3,000 mg/day
– flavonoids > 200 mg/day (enhance the function of vitamin C)

WBCs production
– vitamin A 10,000 – 20,000 IU/day
– vitamin E 800/day
– vitamin B6 100 mg/day

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https://elcomercio.pe/tecnologia/ciencias/coronavirus-los-suplementos-de-vitamina-d-no-ayudan-a-tratar-o-prevenir-el-covid-19-noticia

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