There's another way too ( read below ) "Common supplement may clear PFAS chemicals from the body "- Earth.com

https://www.earth.com/news/common-dietary-fiber-supplement-could-remove-pfas-forever-chemicals-from-the-body/ 

They say that donating blood plasma also is a way to remove the PFAS in our in our bodies. SERIOUSLY. And you can get paid to do it ( in America)