Analgesics..
Antiandrogens..
Bromhexine
Budesonide
Cannabidiol
Colchicine
Conv. Plasma
Curcumin
Ensovibep
Famotidine
Favipiravir
Fluvoxamine
Hydroxychlor..
Iota-carragee..
Ivermectin
Lactoferrin
Lifestyle..
Melatonin
Metformin
Molnupiravir
Monoclonals..
Nigella Sativa
Nitazoxanide
Nitric Oxide
Paxlovid
Peg.. Lambda
Povidone-Iod..
Quercetin
Remdesivir
Vitamins..
Zinc

Other
Feedback
Home
Home   COVID-19 treatment studies for Vitamin C  COVID-19 treatment studies for Vitamin C  C19 studies: Vitamin C  Vitamin C   Select treatmentSelect treatmentTreatmentsTreatments
Melatonin Meta
Bromhexine Meta Metformin Meta
Budesonide Meta Molnupiravir Meta
Cannabidiol Meta
Colchicine Meta Nigella Sativa Meta
Conv. Plasma Meta Nitazoxanide Meta
Curcumin Meta Nitric Oxide Meta
Ensovibep Meta Paxlovid Meta
Famotidine Meta Peg.. Lambda Meta
Favipiravir Meta Povidone-Iod.. Meta
Fluvoxamine Meta Quercetin Meta
Hydroxychlor.. Meta Remdesivir Meta
Iota-carragee.. Meta
Ivermectin Meta Zinc Meta
Lactoferrin Meta

Other Treatments Global Adoption
All Studies   Meta Analysis   Recent: 
0 0.5 1 1.5 2+ Case 0% Improvement Relative Risk c19early.com/c Louca et al. Vitamin C for COVID-19 Prophylaxis Favors vitamin C Favors control
Louca, 372,720 patient vitamin C prophylaxis study: no change in cases [p=1] https://c19p.org/loucac
copied to clipboard
Modest effects of dietary supplements during the COVID-19 pandemic: insights from 445 850 users of the COVID-19 Symptom Study app
Louca et al., BMJ Nutrition, Prevention & Health, doi:10.1136/bmjnph-2021-000250 (date from earlier preprint)
30 Nov 2020    Source   PDF   Share   Tweet
Survey analysis of dietary supplements showing no significant difference in PCR+ cases with vitamin C usage in the UK, however significant reductions were found in the US and Sweden. These results are for PCR+ cases only, they do not reflect potential benefits for reducing the severity of cases. A number of biases could affect the results, for example users of the app may not be representative of the general population, and people experiencing symptoms may be more likely to install and use the app.
risk of case, no change, RR 1.00, p = 1.00, odds ratio converted to relative risk, United Kingdom, all adjustment model.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Louca et al., 30 Nov 2020, retrospective, United Kingdom, peer-reviewed, 26 authors.
All Studies   Meta Analysis   Submit Updates or Corrections
This PaperVitamin CAll
Please send us corrections, updates, or comments. Vaccines and treatments are complementary. All practical, effective, and safe means should be used based on risk/benefit analysis. No treatment, vaccine, or intervention is 100% available and effective for all current and future variants. We do not provide medical advice. Before taking any medication, consult a qualified physician who can provide personalized advice and details of risks and benefits based on your medical history and situation. FLCCC and WCH provide treatment protocols.
  or use drag and drop   
Submit