Active Ingredients per 2 Chews: Perna Canaliculus (GlycOmega brand Green Lipped Mussel), 300 mg; Glucosamine HCl (Shrimp and Crab), 250 mg; Methylsulfonylmethane (MSM), 250 mg; N,N-Dimethylglycine HCl (DMG), 50 mg; dl-Alpha Tocopheryl Acetate (Vitamin E), 25 IU; Ascorbic Acid (Vitamin C), 12 mg; Manganese (as Mn Proteinate), 5 mg; Grape Seed Extract, 2.5 mg; L-Glutathione, 1 mg; Selenium (as Sodium Selenite), 0.001 mg. Inactive Ingredients: brewers yeast, canola oil, chicken liver flavor, citric acid, glycerin, mixed tocopherols, propionic acid, proprietary blend (maltodextrin, sodium alginate and calcium sulfate), rosemary extract, silicon dioxide, soy lecithin, vegetable oil, whey.