Skinless & boneless wild caught. Natural lemon flavor. Contains 3500 mg omega-3 fatty acids per serving. Gluten free. Rich in protein. Non-GMO. Estd 1873. By special royal permission. No-mess easy-peel lid. North Atlantic mackerel for premium quality. www.kingoscar.com. MSC: Certified Sustainable Seafood. www.msc.org. From an MSC certified sustainable fishery. BPA-NI. Product of Poland.