What are the food to avoid for my baby who has gsd1?

Avoid foods: Q: are there dietary restrictions in gsd1? A: people with gsd1 should avoid sugars such as sucrose (table sugar), fructose (sugar found in fruits), lactose and galactose (sugars found in milk). This is because the liver is unable to break down these sugars, which get stored and trapped in the liver as glycogen. Dangerous byproducts such as uric acid, cholesterol and lipids can build-up so gsd1 ki.