Help stop dog farts Pet Naturals Breath Bars. There’s no other way to say this, except to just say it. Does your dog have smelly farts and bad breath? Probably yes. Using spirulina, parsley, chlorophyll and champignon Mushroom Extract, Breath Bars cleans your dogs intestines and blood, to help with farting and fresh breath. Pumice is an all-natural abrasive with a gritty texture that reduces plaque and bacteria that can lead to doggy breath. Cinnamon Powder supports a healthy bacterial balance. Directions for Use:, Give 1 chewable bar per 50 lbs daily., For best results use daily and give between meals. Ingredients Per Bar:, Spirulina 100 mg, yielding Chlorophyll 2 mg, Parsley 70 mg, Champignon Mushroom Extract (Champex™ brand) 30 mg, Yucca Schidigera extract 10 mg, Cinnamon powder 10 mg.