Vitamin A – Mega doses of retinol – A possible immunomodulation in Covid-19 illness in resource – limited settings
Vitamin A – Vitamin A in resistance to and recovery from infection relevance to SARS-CoV2
Vitamin B – A potential role for vitamin B in Covid-19
Vitamin C – Intravenous high-dose vitamin C for the teratment of severe Covid-19 – sтudy protocol for a multicentre randomised controlled trial
Vitamin C – Pilot trial of high-dose vitamin C in critically ill Covid-19 patients
Vitamin C and Covid-19
Vitamin D – Clinical trial Covid-19 and high-dose Vitamin D suplementation trial in high-risk older patients (Covid Trial) study protocols for randomised controlled trial
Vitamin D – The Impact of Vitamin D level on Covid-19 infection – systematic review and meta-analysis
Vitamin D deficiency aggravates COVID-19 – systematic review and meta-analysis