While the protein sources are just as high - quality as Wellness and Orijen, there is less variety of protein sources in this recipe, however. (animalso.com)
To offer pet parents a wide variety of protein sources, Hill's is also introducing new ones like venison, trout and salmon. (petbusiness.com)
This cool site lets you mix and match a custom blend of protein powder from a variety of protein sources, supplements, and flavors. (carascravings.com)