Active Ingredients per 3 gram tablet:Glucosamine HCl (Shellfish Source) 250 mg Yucca Schidigera 90 mg White Willow Bark 50 mg Boswellia Serrata 30 mgL-Tryptophan 15 mgSuperoxide Dismutase (S.O.D.) 400 IU(Above ingredients are time released)Inactive Ingredients:Beta Carotene, Dicalcium Phosphate, Dried Whey, Magnesium Stearate, Maltodextrin, Microcrystalline Cellulose, Montmorillonite Clay, Natural Flavoring, Non-Fat Dried Milk, Silica Aerogel, Stearic Acid, and Vegetable Oil.