It's just possible that adding some vinegar to what you're eating may help you cut calories. Research suggests that vinegar will reduce your post-glycemic response.
Vinegar can slow down the process of the stomach emptying after you eat which can leave you feeling full and satisfied longer.
"Vinegar is made up of a minimum of 4% acetic acid which is why young students though the years have illustrated a mini-volcano by pouring vinegar into baking soda or bicarbonate of soda (the base in baking soda reacts with the acid in vinegar to produce carbon dioxide bubbles)."
Not sure what to do with vinegar? You can add some zest to cold pasta salad with some balsamic vinaigrette. Or use some balsamic vinaigrette instead of mayonnaise in a sandwich. Add light vinaigrette dressing to tuna salad or some other type of salads.
Add flavored vinegar to a meat or fish marinade. This has been seen to decrease advanced glycation end products (AGES) which can reduce oxidant stress and inflammation.
http://blogs.webmd.com/healthy-recipe-doctor/2010/06/can-a-drizzle-of-vinegar-help-you-cut-calories.html?ecd=wnl_day_062210