So, the corn syrup you see in bottles in the grocery store is just plain, glucose syrup, sold most often by Karo, the largest national brand. And it’s useful in candy making for many reasons ...

In other words, to make high-fructose corn syrup sweeter than table sugar from sugarcane, the proportion of fructose can be chemically increased to a whopping 80% or more, if desired.

High-fructose corn syrup is the liquid form. Cane sugar – sometimes called sucrose – is the solid form. Both are still sugars, and they contain the same nutritional value.