Alkylglycerols are a natural substance made in the human liver. There are 10 times more Alkylglycerols in human mothers' milk than in cow’s milk. Alkylglycerols are a growth stimulant to the cells in the bone marrow - (the bone-marrow stem cells), that make both white blood cells, & red blood cells, as-well-as blood platelets. Alkylglycerols have been used in Sweden & Germany for over 50 years in cancer treatment to stimulate white blood cell production. In addition, Because Alkylglycerols also stimulate red blood cell production - so necessary in carrying oxygen to the tissues, Alkylglycerols have been used by aerobic athletes who need to convey oxygen to the tissues. Since red blood cells contribute to virility, Alkylglycerols are also an aphrodisiac. The Alkylglycerol extract of shark liver oil has been used as a dietary supplement for 50 years in Sweden, Germany, & Korea with cancer patients who are about to undergo radiation or chemotherapy because Alkylglycerols will significantly stimulate white blood cell production which radiation and chemotherapy depress. This is 20% active ingredient material.