ACV Info | ACV for Horses | ACV FAQ | More Products. The following is exercepted from an article by Dr. Alicia McWatters, Ph.D., C.N.C. Many vitamins, minerals and other nutrients and substances are available in Bragg ACV to improve the health of your dog. Bragg ACV can provide them with enzymes and important minerals, such as potassium, calcium, magnesium, sulfur, chlorine, phosphorus, iron, silicon and other trace minerals. The vitamins contained in Bragg ACV are bioflavonoids (vitamin P), beta-carotene (precursor to vitamin A), vitamin C, E, B1, B2, and B6. Tannins from the crushed cell walls of fresh apples as well as malic acid, tartaric acid, propionic acid, acetic acid and pectin (fiber) are also contained in Bragg ACV.