Foods to Avoid After Bariatric Surgery TurkeyRed meat that's tough or dry.Greasy, high fat foods.Heavily seasoned or spicy foods.Sugar alcohols, such as erythritol, glycerol, mannitol, sorbitol and xylitol.Foods reheated in the microwave.  In addition, avoid the ancillary foods that can be even worse than the fast-food entrée itself. Sodas, french fries, other fried sides and even salad dressings can all contain tons of fat, sugar and ultimately calories Since salads are typically made of raw fruits and... +More