It doesn't matter, they say, whether that calorie comes from table sugar (sucrose) or HFCS.
In refined form, sugar (also known as sucrose) has been linked to everything from heart disease to diabetes.
Every fructose molecule in sucrose, in contrast, is bound to a glucose.
sucrose su·crose (sōō'krōs')
A nonreducing crystalline disaccharide made up of glucose and fructose, found in many plants but extracted as ordinary sugar mainly from sugar cane and sugar beets, and widely used as a sweetener or preservative.