Some beverages with high fructose corn syrup may contain significant amounts of unprocessed starch, leading to a higher caloric value than labeled.

“they found out a ton of unprocessed starch uh so basically the caloric value that was listed on the label uh it only took into account the actual high fructose corn syrup but didn't take into account the two to three times you know more uh calories as starch which converts into glucose obviously right so there was one explanation of why like you know drinks Sweden with high fructose corn syrup May tend to be more Fahrenheit and just like if it says 150 calories on a bottle it was actually 600 calories”