598376c7_bstances__The_Good_and_the_Bad__Food_or_Substance
[Danger Level] Safe (not recommended) [Description] Walnuts are safe for your dog. However, the shell should never be included. Shells can cause an intestinal blockage or actually damage the intestines. Mold on walnuts produce mycotoxins that can cause serious neurological issues. [Food or Substance] 
Walnuts
Dangerous Foods-Toxic Substances: The Good and the Bad
Food or Substance