It’s about the ratio of glucose to fructose. More than 50% glucose seems ok. Most fruits have more glucose than fructose. High corn fructose corn Sirup is used

It’s about the ratio of glucose to fructose. More than 50% glucose seems ok. Most fruits have more glucose than fructose. High corn fructose corn Sirup is used because it is cheap and fructose is 1.5 more sweet than glucose.