Good/bad changes too often to keep track.
I'm going to be up front with my bias -- I don't believe in non-sustainable diets. I'm on a weight loss program of my own but mine involves exercise and mindful eating. Period. Simple and sustainable and while it may not be trendy or super fast, the weight doesn't rush back later and I don't feel like crap or find myself unable to enjoy a meal out.
SO... Milk has naturally occurring sugar, not added sugar. That's what lactose is, a sugar. Milk is after all, first and foremost, a food for babies. Humans are a bit weird for drinking another animal's breast milk for their entire lives but, hey, sugar and fat so milk tastes good to most of us. The milk substitutes tend to have added sugar so they are palatable.
Bacon has sugar in the curing mixture and it's purely for flavor. But, mmmm... Bacon.
Yeast bread must have sugar because the yeast needs to eat it to create those precious bubbles or the bread would be a rock. Not all bread is equal, though. There is a huge difference between a King's Hawaiian roll and a slice of whole wheat