Yes, plain Weetabix is not harmful to dogs. However, do not feed it to gluten- or grain-allergic dogs since barley and wheat are a part of this breakfast cereal’s ingredients. Weetabix with chocolate chips and raisins are toxic to dogs and should never be shared with them.
Risks
Weetabix is generally safe for dogs to eat, but it's not a healthy treat because it's high in sugar and calories.
Weetabix is not suitable for dogs with grain intolerance or wheat allergies since it contains barley and wheat.
Weetabix with raisins or chocolate chips can be toxic to dogs.
Weetabix with added milk might cause digestive upset in some dogs, especially those with lactose intolerance and dairy allergies.
Servings
Plain Weetabix is not toxic to dogs; however, it should not be a part of a dog's daily diet.