FDA authority over food comes from the FD&C Act, which defines food as "articles used for food or drink for man or another animal, chewing gum and articles used for components of any such article.". T...FDA authority over food comes from the FD&C Act, which defines food as "articles used for food or drink for man or another animal, chewing gum and articles used for components of any such article.". The FDA is responsible for the safety of all food, including individual components of food, animal and pet food, and food ingredients. Their mission is to prevent food adulteration and ensure foods are safe, wholesome, and sanitary in addition to providing accurately labeled food.