Countries such as Mexico already use cane sugar in their version of Coke — but the American soda uses controversial high fructose corn syrup.

Zumpano agreed, adding that there is "a little bit more" health risk from high-fructose corn syrup because it is highly processed. She said Coca-Cola, and any other company that may switch from high-fructose corn syrup to cane sugar, could see this as an opportunity to lower the amount of sweetener in its products.