<prompt> Which is a lipotropic factor?HDLInsulinCholineCarnitine  <response>: Agents such as choline, methionine, Betaine, inositol, etc. which have the apparent effect of facilitating the removal of fat from liver, and thus prevents accumulation of fat in Liver cells. Such substances which prevent accumulation of fat in liver are said to be Lipotropic Lipotropic agents or Lipotropins. The phenomenon itself is called Lipotropism. Antagonistic agents and the converse condition are anti-lipotropic and anti- lipotropism respectively.Ref: Textbook of Medical Biochemistry, Eighth Edition Dr Brig MN Chatterjea, page no: 458 