Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 11/8/2025

Healthy Oil Options for Cardiac Patients

  • The American Heart Association recommends that patients with cardiac conditions use extra-virgin olive oil as their primary cooking oil, with soybean, canola, sunflower, safflower, and corn oils as excellent alternatives to reduce cardiovascular morbidity and mortality 1
  • The American College of Cardiology suggests that extra-virgin olive oil receives special emphasis for cardiovascular disease prevention based on the landmark PREDIMED trial, where participants consuming extra-virgin olive oil experienced 30% lower risk of stroke, myocardial infarction, or death compared to controls 2

Primary Recommendation: Extra-Virgin Olive Oil

  • Participants in the highest tertile of olive oil consumption showed 35% lower cardiovascular disease risk in observational PREDIMED data, with a strength of evidence supported by the PREDIMED trial 1
  • Daily consumption of 25-40 grams of non-tropical vegetable oils is recommended depending on individual energy needs, as suggested by the American Heart Association 1

Excellent Alternative Oils Rich in Polyunsaturated Fats

  • Replacing saturated fats with polyunsaturated fatty acid (PUFA)-rich vegetable oils reduces coronary heart disease by 29%, with benefits comparable to statin therapy, according to the European Society of Cardiology 1
  • Soybean oil and canola oil are particularly prudent choices because they contain both n-6 (linoleic acid) and n-3 (alpha-linolenic acid) polyunsaturated fats, and controlled trials demonstrating CHD benefits specifically utilized soybean oil, as recommended by the American College of Cardiology 3, 4

Oils to Strictly Avoid

  • Patients with cardiac conditions must eliminate partially hydrogenated oils containing trans fatty acids, which uniquely raise LDL-cholesterol, triglycerides, and lipoprotein(a) while lowering HDL-cholesterol, as advised by the American Heart Association 5, 3, 4
  • Tropical oils (coconut and palm oil) should be used sparingly or avoided, as they are rich in saturated fats with cholesterol-raising potential similar to or higher than animal fats, despite containing no dietary cholesterol, according to the European Society of Cardiology 1

Mechanism of Cardiovascular Benefit

  • Replacement of saturated fats with unsaturated fats reduces LDL-cholesterol, lowers blood pressure, improves insulin sensitivity, reduces subclinical inflammation, and controls hemostatic processes, as explained by the American College of Cardiology 1
  • Virgin oils (extra-virgin olive oil, virgin soybean oil) may be preferable due to low-temperature refining that preserves beneficial phenolic compounds, as suggested by the American Heart Association 2

Practical Implementation

  • Replace butter, lard, and animal fats with the recommended vegetable oils in all cooking and food preparation, as recommended by the American Heart Association 1, 6
  • Prioritize extra-virgin olive oil for its superior evidence base from the PREDIMED trial, as advised by the American College of Cardiology 2
  • Use soybean or canola oil when a more neutral-flavored oil is needed, ensuring intake of both omega-6 and omega-3 fatty acids, as suggested by the European Society of Cardiology 3, 4

Critical Caveat

  • The total food matrix matters more than isolated fatty acid content—consuming these oils as part of an overall Mediterranean-type diet pattern provides optimal cardiovascular protection, as recommended by the European Society of Cardiology 7