COVID-19 HERBAL ADVICE
Marcel is not a herbalist, but he does understand the potential benefit of herbs in both boosting the immune system and treating viruses. As with the nutrition advice, there is very little quality research to with the impact of herbs on COVID-19 specifically
If you decide to use herbs as part of your protocol, I recommend doing so under the guidance of a experienced qualified herbalist or naturopath. Herbs can interact with some medications, and in some cases can be dangerous.
I would also read the following links from world-renowned herbalist Stephen Buhner, who has his own recommendations for COVID-19
The COVID-19 nutrition guide here also includes some herbs such as elderberry and echinacea