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 What is Glut1 Deficiency?

Glucose Transporter Type 1 Deficiency Syndrome (Glut1 Deficiency, G1D, Glut1 DS, or De Vivo Disease) is a genetic disorder that impairs brain metabolism. Glucose isn’t transported properly into the brain, leaving it starving for the energy it needs to grow and function.

Glut1 Deficiency causes an array of symptoms which may vary considerably from one patient to another. Some signs and symptoms may include seizures, movement disorders, speech and language disorders, and developmental delays. There are currently around 600 cases diagnosed worldwide, but experts believe there are many more patients yet to be discovered.

There is no cure for Glut1 Deficiency.  The standard of care treatment is a ketogenic diet, which helps improve most symptoms for most patients.

A new Glut1 Deficiency patient registry has just launched at The University of Texas Southwestern.  The registry will give researchers many more insights into the complexities of the condition, help identify areas for future research, as well as give a more accurate idea of the number and location of cases.

find out more about Glut1 Deficiency


Watch our video featuring some of the facts and faces of Glut1 Deficiency


The Glut1 Deficiency Foundation

The Glut1 Deficiency Foundation is a volunteer, non-profit family organization dedicated to:

  • Educating others about Glut1 Deficiency by creating a forum for sharing support, experiences, resources, and information between patients, families, and healthcare professionals.
  • Increasing awareness of and advocacy for Glut1 Deficiency.
  • Supporting and funding researchers as they work for a cure.

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