Shark liver oil is obtained from sharks caught for food purposes only, living in cold, deep oceans. The liver oil from sharks has been used by fishermen for centuries as a folk remedy for general debility, for healing wounds, sores, irritations of the respiratory tract and the alimentary canal and for lymph node swelling

It has also been used as a means of weather prediction on the islands of Bermuda for many centuries

It is one of the ingredients used in hemorrhoid creams such as Preparation H

Shark liver oil is rich in alkylglycerols, which are naturally found in mother's milk and in bone marrow. It also contains pristane, squalene, vitamins A and D, omega-3 fatty acids, triglycerides, glycerol ethers, and fatty alcohols