IDC Herzliya researchers at Israel’s MIGAL laboratory, with Icelandic scientists, have identified that spirulina algae can reduce the cytokine storm that kills Covid-19 patients. The algae was supplied by Israel’s VAXA (Iceland based) who have EU funding to find natural cures for Covid-19.
https://www.newsrael.com/post/-MUZUMu2rI9dtUFz07He
https://link.springer.com/article/10.1007/s10126-021-10020-z