Apple cider vinegar is made by fermenting the sugar from apples. This turns them into acetic acid, which is a main active ingredient in vinegar and may be responsible for its health benefits. It can kill harmful bacteria or prevent them from multiplying. It has a history of use as a disinfectant and is a natural preservative. May help Improve blood sugar levels and insulin sensitivity in diabetics. May aid weight loss. May boost skin health. Improves Heart Health. Reduces fatigue and increases the energy levels. Strengthens and improves hair health. Cures small overgrowths over skin [Warts] caused by viruses. Soothes bug-bites, jelly fish stings. Treats acid-reflux and heartburn. Facial toner. Teeth whitener. Flea repellant. Weed killer. Dissolves kidney stones.