Citrus pectin from Euro Nutrador: modified citrus pectin for optimal effect Euro Nutrador B.V. presents citrus pectin, not just as ordinary pectin, but in a modified form that increases its bioavailability and effectiveness. This special form of citrus pectin offers a range of health benefits and is an important part of a balanced diet. What are pectins or citrus pectins? Pectins are plant polysaccharides that function as food fibers in the human body. They are found in various fruits and vegetables, including rosehip, quince, orange, apricot, and carrots, as well as in the flesh and peel of oranges and lemons.