Taurine for dogs Taurine is not harmful to dogs. Taurine is a natural amino acid in dogs, which can be synthesized by the internal organs of the body, and is a non-essential amino acid in dogs. Taurine is a natural amino acid that can be synthesized by the body’s internal organs and is a non-essential amino acid in dogs. The heart becomes dilated and flaccid, and fluid builds up in the dog’s lungs.3 The dog’s eyesight may be weakened, and in severe cases, blindness may occur.4 Taurine deficiency may also cause urinary problems in dogs.
