But have you tried the flovored ones?
Nylabone Carrot Bones
Healthy Edibles™—All Natural Bones Provide a Wholesome, Satisfying Chew
No sugar, starch or salt
No plastics added
No color additives
Helps fight tartar and plaque
Individually packaged
Nylabone Carrot Bones contain 50% real carrots and are 100% natural. Low in calories, but big in carrot flavor.
Here's Pet Edge's site:
http://www.petedge.com/shopping/prod...ctID=1203&AS=1
They also have a ton of other flavors. My kids love the carrot and the peanut butter.