Abstract: The present invention provides for compositions including nicotine salts, solutions thereof, methods of manufacture and methods of use. Certain embodiments provide for the delivery of said compositions including by: transdermal, oral, nasal and inhalation modes. Certain embodiments provide nicotine salts and solutions thereof, suitable for or packaged in or with devices including: oral lozenges, chewing gum, transdermal patches, intranasal sprays and intranasal inhalers, e-liquids and e-cigarette or vaping devices.