D(-)-Sorbito can be obtained by reduction of glucose, which changes the converted aldehyde group to a primary alcohol group . Most sorbitol is made from potato starch, but it is also found in nature.
D-Sorbitol is a sugar alcohol that is commonly used as a sugar substitute. It occurs naturally and is also produced synthetically from glucose. D-Sorbitol use has been found in cosmetics, paper, and pharmaceuticals. Naturally, D-sorbitol occurs widely in plants via photosynthesis.