This is a major and serious misunderstanding. First of all, margarine is almost indigestible, chemically very much like shortening--an artificially saturated or hydrogenated vegetable fat. Hydrogenated fats can't be properly broken down by the body's digestive enzymes, adding to the body's toxic load. Margarine, being a chemically-treated vegetable oil with artificial yellow color and artificial flavorings to make it seem like butter, also releases free radicals in the body that accelerate aging. So, to avoid the dangers of eating cholesterol-containing butter, people eat something far worse for them! There are severe inconsistencies with the entire "cholesterol-is-evil" theory. Ethnic groups like the Danes, who eat enormous quantities of cholesterol-containing foods, have little circulatory disease. Actually, the liver itself produces cholesterol; it's presence in the blood is an important part of the body chemistry. Cholesterol only becomes a problem because of deranged body chemistry due to the kind of overall malnutrition Americans usually experience on their junk food diets. Avoiding cholesterol in foods does little good, but eating a low-fat, low-sugar, complex-carbohydrate (whole foods) diet high in minerals does lower blood cholesterol enormously. Actually, high quality fresh (not rancid) butter in moderate quantities is about the finest fat a person could eat. But high quality butter is almost unobtainable. First of all, it has to be raw, made from unpasteurized cream. Second, butter can contain very high levels of fat-soluble vitamins, but doesn't have to. Vitamin-rich butter's color is naturally bright yellow, almost orange. This color does not come from a test tube. Pale yellow butter as is found in the commercial trade was probably almost white before it was artificially tinted. Butter from grass-pastured cows naturally changes from yellow-orange to white and back again through the year as the seasons change. Spring grass, growing in the most intense sunlight of the year contains very high levels of chlorophyll and vitamins. Cows eating this grass put high levels of vitamins A and D into their cream, evidenced by the orange color of vitamin A. By July, natural butter has degraded to medium-yellow in color. By August, it is pale yellow. Industrial dairy cows fed exclusively on hay or artificial, processed feeds (lacking in these vitamins), produce butterfat that is almost white. I prefer to obtain my butter from a neighbor who has several dairy cows grazing on fertile bottom land pasture. We always freeze a year's supply in late spring when butter is at its best. Interestingly, that is also the time of year when my neighbor gets the most production from her cows and is most willing to part with 25 pounds of extra butter.