Leptitox Canada: corn syrup that actually makes you fat than you ought to be, once you go through the variety of calories they incorporate. (And son, do they contain a lot of calories!) Therefore yes, you will have to make some alterations to your diet... moreLeptitox Canada: corn syrup that actually makes you fat than you ought to be, once you go through the variety of calories they incorporate. (And son, do they contain a lot of calories!) Therefore yes, you will have to make some alterations to your diet if your daily intake of food is bound to what you will find in the local convenience store.