High Fructose Corn Syrup is considered an artificial sweetener depending on how it's made: https://www.idfa.org/news/letter-from-fda-clarifies-natural-status-of

High Fructose Corn Syrup is considered an artificial sweetener depending on how it's made: https://www.idfa.org/news/letter-from-fda-clarifies-natural-status-of-high-fructose-corn-syrup https://www.idfa.org/news/letter-from-fda-clarifies-natural-... The fact they're branding this as natural, but not the normal formula, would imply this is the reason