glutathione and nac covid N-Acetylcysteine to Combat COVID-19: An Evidence Review The Quercetin Paradox: The Secret

You're operating outside the medical system with no recourse if something goes wrong

The amount of this trace element can be different

These findings show how difficult it is to predict the effects, even of a protective, antioxidant enzyme, in every situation (see also [175] and references therein)

However, well-designed human clinical trials assessing the safety and effectiveness of this combination are still lacking, and the majority of the information currently available comes from animal and in vitro studies

Depending on the route of administration, the agent may be coated with or disposed in a material selected to protect it from natural conditions that may adversely affect its ability to perform its intended function