New higher strength product by customer demandplant sterols are similar in structure to the bodys own cholesterol and act in a similar way in plant cell membranes as cholesterol does in our own human cellsdue to the structural similarity plant sterols are able to block the absorbtion of dietary cholesterol in the small intestine without being absorbed themselveseach zipvit tablet provides 800mg plant sterols contribute to the maintenance of normal blood cholesterol cholesterol is a risk