If it's in the ingredients list, it is added. There's also a macronutrients table in every packaged article. There is exactly one common brand of mayo that has

If it's in the ingredients list, it is added. There's also a macronutrients table in every packaged article. There is exactly one common brand of mayo that has no added sugar. One. And there's no way to buy sugar-free versions of many other kinds of food, from fried tomatoes sauce, sausages, etc. that were traditionally made without sugar for centuries. It's a plague.