Covid-19 Resources

Each day the research and science of the Coronavirus changes.  It’s a lot to keep up with.  This is by no means an exhaustive list of the literature so please do contact us if you think there’s something we should add – or take down.  You can contact us at [email protected].

These resources are being collated for doctors and health professionals, they are not meant as advice for the public or as a substitute for professional medical advice, diagnosis or treatment.  Medical knowledge and discretion are essential for interpreting the advice included in these resources.  No resources listed here should be taken as medical or business advice.  Always consult your doctor or other qualified health provider with any questions you may have regarding a medical condition.  The information provided here is general in nature, it is not specific to Covid-19.

Thank you for your understanding.

Research Papers

Vitamin C

COVID‑19: Up to 82% critically ill patients had low Vitamin C values

Effect of High-Dose Zinc and Ascorbic Acid Supplementation vs Usual Care on Symptom Length and Reduction Among Ambulatory Patients with SARS-CoV-2 Infection

Low level of Vitamin C and dysregulation of Vitamin C transporter might be involved in the severity of COVID-19 Infection

Vitamin C Intervention for Critical COVID-19: A Pragmatic Review of the Current Level of Evidence

Vitamin C—An Adjunctive Therapy for Respiratory Infection, Sepsis and COVID-19

Rapid Literature Review on Vitamin C


IVC and the cytokine storm

High dose C for Covid-19

Vitamin C and sepsis

High Dose C for Covid-19 patients


Vitamin D

A systematic review and meta-analysis of effect of vitamin D levels on the incidence of COVID-19

Association of Vitamin D Status and Other Clinical Characteristics with COVID-19 Test Results

COVID-19 mortality risk correlates inversely with vitamin D3 status

NICE COVID-19 rapid guideline: vitamin D

Evidence Supports a Causal Role for vitamin D Status in Global COVID-19 outcomes

Low Vitamin D Tied to COVID-19 Severity

Optimisation of Vitamin D Status for Enhanced Immuno-protection Against Covid-19

Real world evidence of calcifediol or vitamin D prescription and mortality rate of COVID‑19

Vitamin D Insufficiency May Account for Almost Nine of Ten COVID-19 Deaths: Time to Act.  Comment on: “Vitamin D Deficiency and Outcome of COVID-19 Patients”

Rapid Literature Review on Vitamin D


Vitamin D prevention of coronaviruses



Case controlled study for the effectiveness of oral Zinc in the prevention and mitigation of Covid 19

Rapid Literature Review on Zinc

Evaluation of zinc sulfate as an adjunctive therapy in COVID‑19 critically ill patients

BMJ Zinc and acute viral respiratory tract infections

Zinc and respiratory tract infections



N-Acetylcysteine as Adjuvant Therapy for COVID-19 – A Perspective on the Current State of the Evidence

N-acetylcysteine for the treatment of COVID-19 among hospitalized patients

N-Acetylcysteine to Combat COVID-19: An Evidence Review



The effect of supplementation with vitamins A, B, C, D, and E on disease severity and inflammatory responses in patients with COVID-19: a randomized clinical trial

IMCJ – evidence supporting a phased immuno-psychological approach to Covid-19


Melatonin and viral infections

Prevention of Covid-19

Supplements to boost immunity

Natural Therapies for viruses

Heat as a therapeutic intervention