Verdict: In moderation
Plain, air-popped popcorn in moderation is generally safe for dogs. However, toppings like butter, salt, and artificial flavors can cause gastrointestinal upset, dehydration, or pancreatitis. Unpopped kernels pose a choking hazard or can get stuck in teeth.
High fat content can lead to pancreatitis. High sodium can cause electrolyte imbalances and dehydration. Artificial additives may cause gastrointestinal irritation.
Excessive fat, salt, artificial additives