The Grizzly Wild Antarctic Krill Oil All-Natural Antioxidant Dog Food Supplement is a high-quality supplement that contains a unique blend of antioxidants that help reduce free radicals in your dog’s body. The oil is sourced from wild krill that are found in the pristine waters of Antarctica, making it a truly all-natural product. The oil is then tested by verified third party quality testing laboratories to ensure that it meets stringent standards. The oil is then packaged in airtight, medical grade pumps for easy dispensing.