We tend to think of ketchup as a salty condiment, but many brands list some sort of sweetener as the second ingredient, which can have a disastrous effect on your blood sugar level. “It doesn’t matter if it’s called sugar, evaporated cane juice, high fructose corn syrup, or malt syrup,” Mills says. “They’re all sugar, and all of them will elevate blood glucose.”
It’s obvious that low-fat yogurt has had fat removed, and that seems like a good choice if you have diabetes. While low-fat yogurt has a (small) positive impact on calorie count, it’s not so great for your blood sugar.