Shark Liver Oil 500 mg, 120 Caps, Scandinavian FormulasScandinavian Formulas Shark Liver Oil 500 mg The Power of Alkylglycerols. It is recorded that Shark Liver Oil has been used for centuries in Scandinavian countries, to help the immune system. For the last 40 years, researchers have discovered and studied a group of immuno chemicals in shark liver oil known as alkylglycerols that are found in significant amounts in human breast milk, and in the liver, spleen and bone marrow, all of which are blood