It digests very well. In fact, it helps if there's other material to be more digestible.

As with any product, the instructions are very important.

Greenies are safe if they are fed properly and chewed by the dog.

There have been eight complaints about Greenies. That's over eight years and 700 million sold.

What we're interested in is the safety of the dog.

It may, in fact, be a whole constellation of things that helps.