Disclosed herein are vesicular formulations that include one or more phospholipids and one or more surfactants. In certain embodiments the use of such formulations are for the delivery of fatty acids for the treatment of disorders such as, fatty acid metabolic disorders, including essential fatty acid deficiency; pain or inflammation or osteoarthritis. In certain embodiments the use of such formulations are for use in agriculture, for example for applying agents to plants and crops intended for human consumption.