Nicotine USP refers to nicotine that meets the quality standards set by the United States Pharmacopeia (USP). It is commonly used in pharmaceutical products, including nicotine replacement therapies (NRTs) such as patches, gums, and lozenges, designed to help individuals quit smoking. Nicotine USP undergoes rigorous testing and quality control measures to ensure purity, potency, and safety for medicinal use. To guarantee purity, potency, and safety for medical usage, nicotine USP is subjected to stringent testing and quality control procedures.