Smoothies are all the rage, but how does liquefying fruits and vegetables affect their Am I defeating my health goals by blending the fruit?". Safe and healthy: the right fruits and vegetables for your dog . Dog food: Merrick 5 Star Wilderness Blend. Dog treat: fruitables It is a good fruit to feed to dogs that have allergies and upset stomachs as it is commonly hypo-allergenic. However, fruits and vegetables that humans eat to maintain wellness also help dogs to stay healthy. But not all fruits and vegetables are healthy for your dog. down for them by preparing fruits and vegetables in a food processor or blender.