Good Question. I can not answer that. The only thing I do know, is that Maggie and my bigger dogs love them. I buy the tiny ones for Maggie and the Jumbo size for the bigger dogs. Even Maggie's vet, sells them in the clinic--so they can't be all that bad. Their breath stays so fresh nice smelling.
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"My Furkids" Maggie, Molly and Meme... |