For a supplier of pure nicotine extract, consider reputable companies such as Nicotine India, Alchem International, and Inovogen Life Sciences. These companies specialize in the production and distribution of pure nicotine and nicotine-related products for various industries, including pharmaceuticals, agriculture, and vaping. When selecting a supplier, ensure they adhere to strict quality standards and regulatory requirements to guarantee the purity and safety of their products. Additionally, consider factors such as reliability, customer service, and pricing to choose a supplier that meets your needs for pure nicotine extract.