SucraloseSweetener; emerging genotoxicity concern around the impurity/metabolite sucralose-6-acetate.
CarrageenanDegraded carrageenan, and in some animal/in-vitro studies food-grade carrageenan, are linked to intestinal inflammation; human evidence is limited and contested.
Acesulfame KSweetener; broadly assessed safe but some consumer-avoidance and limited animal-study questions.