DR. LYNN FYNNDERELLA: Pfizer developed Chymax, a GMO-derived chymosin enzyme (via fermented microbes) approved by FDA in 1990 as safe and GRAS. It's used in ~90% of US cheeses to clot milk, replacing animal rennet

Pfizer developed Chymax, a GMO-derived chymosin enzyme (via fermented microbes) approved by FDA in 1990 as safe and GRAS. It's used in ~90% of US cheeses to clot milk, replacing animal rennet. Not in the final product as GMO material. Common in brands like Kraft, Sargento,… pic.twitter.com/u9jGnXBppT

— Dr. Lynn Fynn-derella🐭 (@Fynnderella1) August 12, 2025