text: is there a difference between regular corn syrup and high fructose corn syrup? i know the high fructose syrup is extremely unhealthy, and was wondering if regular corn syrup is not as bad, or is it the same thing? below are some definitions that will help to repond your question:   - corn syrup. made from cornstarch. mostly glucose. can have maltose  - high fructose corn syrup. derived from cornstarch, usually a combination of 55 percent fructose and 45 percent sucrose. treated with an enzyme that converts glucose to fructose, which results in a sweeter product. used in soft drinks, baked goods, jelly, syrups, fruits and desserts  follow the link below for more information.