Grapeseed oil is rich in omega-6 fatty acids, a specific type of polyunsaturated fatty acid, or PUFA. Replacing saturated fatty acids in the diet with omega-6 fatty acids can lower total cholesterol levels and boost high-density lipoprotein levels in the blood. Additionally, substituting some carbohydrates in the diet with PUFAs can help decrease low-density lipoprotein levels -- known for their role in creating atherosclerotic plaques in the blood vessels -- in the blood. Lowering total cholesterol and LDL cholesterol levels, coupled with increasing HDL, significantly decreases your risk for heart disease.
