My boxer/pit mix Baxter is very hyper active given his breed and requires lots of exerice and stimulation. I'm not able to provide exercise like I should on a daily basis and I'm concerned he also has high anxiety because he often runs in circles chasing his tail or barks constantly. I've seen a product on the market (heard an ad on the raido) for a product claimed to be made by vets and endorsed by vets.  It's called POYZ and I'm wondering if anyone has heard of behavioral products like this or have used something similiar. It's supposed to have a calming effect on Baxter in two different dosage levels. I'm very interested in trying this but don't want to put poor Baxter in any danger.  Please advise!!

http://www.applehealthstore.com/shop/index.cfm?frm=details&piid=581&kw=poyzov