Melatonin, Vitamins and Minerals Supplements for the Treatment of Covid-19 and Covid-like Illness: Results of a Prospective, Randomised, Double-blinded Multicentre Study

Boukef et al., NCT05670444, NCT05670444, Feb 2023

Melatonin for COVID-19

25th treatment shown to reduce risk in May 2021, now with p = 0.000000015 from 18 studies.

No treatment is 100% effective.
Protocols combine treatments.