25 subjects with mild hypercholesterolemia (high cholesterol) were given 42.5 grams of macadamia nuts for 5 weeks. Compared to the average american diet, the macadamia nut group had up to 10% lower cholesterol.
“Macadamia nuts can be included in a heart-healthy dietary pattern that reduces lipid/lipoprotein CVD risk factors. Nuts as an isocaloric substitute for high SFA foods increase the proportion of unsaturated fatty acids and decrease SFA, thereby lowering CVD risk.”