HOME ABOUT SOURCE PRODUCTS SHOP FAQ ARTICLES CONTACT CART MY ACCOUNT/ORDERS WHOLESALE INQUIRY SEARCH LECITHIN Lecithin is a complex phospholipids that is the precursor of the B vitamin choline. Lecithin is essential to insure that connective tissue is strong and pliable. FOCUS HF contains significant levels of a high quality lecithin source. Please see SOURCE Products: for Horses, for more information. Post navigation PREVIOUS Previous post: IODINE NEXT Next post: METHIONINE SOURCE is a proud, founding member of the NASC, audited and certified to display the NASC Quality Seal. SOURCE on Facebook CART No products in the cart. PRODUCT CATEGORIES Horses People Dogs Graphic excerpt from "Essential for All of Us" an original watercolor by Jan Royce Conant copyright 1999-2017. ©2021 SOURCE, INC. All rights reserved.