Early research indicating that high blood cholesterol levels are associated with an increased risk of developing cardiovascular disease led to recommendations to limit the intake of foods containing high levels of cholesterol. However, most foods that contain high levels of cholesterol also contain high saturated fat, and emerging evidence suggests that it is the saturated fat content of these foods, rather than the cholesterol, that increases blood cholesterol levels. Eggs are somewhat unique in that while they are rich in cholesterol they contain little saturated fat, and therefore may not increase blood cholesterol levels.
This is a randomised controlled trial to examine if a low-saturated fat diet containing eggs changes blood cholesterol or other blood lipid levels when compared to a high saturated fat, low cholesterol diet (without eggs) or an average Australian control diet (high saturated fat and cholesterol).