Dietary Supplement. Source Naturals Phosphatidyl Choline Provides Premium Quality & Potency This product has been concentrated to contain 3 times the phosphatidyl choline found in ordinary lecithin. This special soy lecithin also contains phosphatidyl inositol, phosphatidyl ethanolamine, and related phosphorus - containing lipids. Phosphatidyl choline is a naturally occurring molecule that is composed of choline, phosphoric acid and hydrocarbons. It is one of several phosphorus containing lipids that form the structural elements of all cell membranes in the body.* Contains no yeast, dairy, egg, gluten, corn, or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor, or fragrance. *These statements have not been evaluated by the Food and Drug Administration. Th.