Abstract: Formulations of nicotine for use in nicotine replacement therapy. The formulations are intended for application in the oral cavity where upon the uptake of nicotine mainly takes place through the buccal mucosa. The formulations essentially comprise apolar, polar and surface-active components. The formulations may be administered in combination with other nicotine formulations.

Abstract: The present invention relates to compositions of nicotine comprising polar lipids and one or more fatty acids. The compositions may further comprise one or more pharmaceutically acceptable excipients selected from the group consisting of flavoring agents, sweeteners, buffering agents, chewing gum base and preservatives. In specific aspects, the invention is directed to compositions comprising nicotine and one or more polar lipids which are capable of forming a liquid crystalline phase or a precursor or offspring thereof when placed in a polar solvent. The composition can be administered via a buccal, pulmonary, nasal or topical route.