There are several food types that should never be fed to a Great Dane under any circumstances.

- Grapes
- Chives
- Salt
- Chocolate
- Salty Snack Foods

- Xylitol
- Raisins
- Coffee
- Dairy
- Onions
- Yeast Dough

- Nuts
- Alcohol
- Caffeine
- Garlic
- Avocado

- Citrus
- Milk
- Macadamia Nuts