https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7411643/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4231515/#B160
https://ods.od.nih.gov/factsheets/Zinc-HealthProfessional/
Also zinc plays a role in wound repair. This is likely relevant for healing in the intestine.
https://www.medicalnewstoday.com/articles/263176#Zinc-and-COVID-19
There is also other information online a...