SAME GREAT PRODUCT – NEW LABEL. (Formally called Natural Pain Relief for Dogs) ActiSYN Natural Pain Relief for Dogs – A Natural Replacement for Dog Aspirin – combines White Willow Bark, Feverfew, Boswellin, Yucca and Devils Claw as well as other key pain relieving ingredients in a palatable all-natural liver flavored chewable tablet. White Willow Bark contains Salicoside, the basis of Salicylic Acid (ASPIRIN). The dog’s body oxidizes orally administered salicoside into the very effective salicylic acid, but without the harmful side effects on a pet’s sensitive stomach and digestive tract. Boswellin, Yucca, Devils Claw and Feverfew are natural herbal compounds that contain effective anti-inflammatory properties to aid in the discomfort of many ailments, particularly arthritis (degenerative joint disease) and hip displacia.