A composition including nanoparticles encapsulating a vitamin, wherein the vitamin is surrounded by lipids for delivery through mucous membranes. A composition including nanoparticles encapsulating a vitamin, the nanoparticles including medium chain triglycerides, lecithin, cholesterol, and polysorbate 80. A pharmaceutical composition, including nanoparticles encapsulating a vitamin, the nanoparticles including medium chain triglycerides, lecithin, cholesterol, and polysorbate 80 in a pharmaceutically acceptable carrier. A method of making the composition, by forming nanoparticles encapsulating a vitamin, wherein the vitamin is surrounded by lipids for delivery through mucous membranes. A method of increasing absorption of a vitamin, by administering a composition including nanoparticles encapsulating a vitamin, wherein the vitamin is surrounded by lipids in a pharmaceutically acceptable carrier to a mucous membrane in an individual, the composition penetrating the mucous membrane and providing faster transit to the liver than other delivery systems, thereby increasing absorption of the vitamin.
