Based on mechanism, several groups warrant extra caution: Pregnant or breastfeeding people, because no developmental data exist
PubMed Johansen, P.B., Nowak, J., Skjaerbaek, C., Flyvbjerg, A., Andreassen, T.T., Wilken, M., & rskov, H
Cuperlovic-Culf M role of glutathione in cancer: from mechanisms to therapies
British Journal of Nutrition, 105 (11), 15631571
For someone who is sensitized to pollen or mold, spring or fall when pollen or mold counts are high can then cause respiratory viruses to exacerbate asthma and cause wheezing.[ref] Additional Environmental Factors in Asthma: Microplastics, nanoplastics, and phthalates: Inhalation of microplastics and nanoplastics is a major route of exposure in humans