According to Title 21 of the US Code the term “food” in the Food, drug and cosmetic act or FDCA means -
articles used for food or drink for man or other animals,
chewing gum and
articles used for components of any such article
The term “drug” means -
articles documented in the official United States Pharmacopoeia, official Homoeopathic Pharmacopoeia of the United States, or official National Formulary and any addition to any of them and
articles planned for use in the diagnosis, cure, improvement, treatment and prevention of disease in man or other animals and
articles excepting food items, intended to have an effect on the arrangement and function of the body of man or other animals
US Food and Drug Administration has categorically prohibited the following acts-
The introduction into interstate commerce of any food, drug, device, or cosmetic that is adulterated.
The adulteration of any food, drug, device, or cosmetic in interstate commerce.
The receipt in interstate commerce of any food, drug, device, or cosmetic that is adulterated and the release for pay or otherwise.
The FDCA is a set of laws passed by the US Congress in 1938 primarily to manage and supervise the safety of food, drugs, and cosmetics.