I did also come across this article on Ergo log detailing a study that a chitosan supplement may reduce microplastics absorption (small stud, caveats of course).

Concentration of microplastics in the body decreases due to chitosan supplementation https://www.ergo-log.com/chitosan-microplastics-body.html

IFF this holds true, this is going to be the biggest biohacking supplement of the next decade for sure.

Making this bold assumption as I don’t see yet a valid way to remove plastic from the modern supply chains. It’s embedded in every aspect of our lives so this will be huge if it holds true.