Apple cider vinegar weight loss results in 2 weeks. Apple cider vinegar (ACV) is well known for its antioxidant and revitalizing properties. It is good for weight loss, lowers blood sugar and improves symptoms of diabetes. Vinegar with acetic acid as active ingredient helps kill bad gut bacteria in your system. It also helps to improve the digestion of protein that activates the stimulation of growth hormone which helps in breaking down of fat cells.