D-(+)-Trehalose dihydrate is used as a food additive in many processed foods and pharmaceutical excipients. It is widely used as a direct replacement of conventional sweeteners and protects the cells from various environmental stresses. It finds application in the treatment of Huntington's disease and Parkinson's disease.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.