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Have high cholesterol? Follow this science-backed diet, even partially, to lower your level

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Have high cholesterol? Follow this science-backed diet, even partially, to lower your level. It’s called the Portfolio Diet, and it’s gaining popularity for its heart-healthy benefits. Endorsed by many international health organizations, such as the Canadian Cardiovascular Society, the American Heart Association and Heart UK, this diet is specifically designed to deal with elevated low-density lipoprotein (LDL) cholesterol, a primary contributor to heart disease.

Understanding the Portfolio Diet

The Portfolio Diet was developed in the early 2000s by Dr. David Jenkins, a professor in the departments of nutritional sciences and medicine at the University of Toronto. The diet is composed of four main pillars – plant protein, nuts and seeds, viscous fibre, and plant sterols. These four components, when combined, have a synergistic effect that significantly lowers LDL cholesterol.

Benefits of the Portfolio Diet

Several studies have confirmed the efficacy of the Portfolio Diet in reducing LDL cholesterol. A landmark trial published in the Journal of the American Medical Association in 2003 revealed that full adherence to the Portfolio Diet led to a 28% reduction in LDL cholesterol, an effect similar to that of cholesterol-lowering statin medication. Even partial adherence to this diet has been shown to result in a significant reduction in LDL cholesterol levels.

Implementing the Portfolio Diet

Adopting the Portfolio Diet does not require drastic changes to your eating habits. Small, incremental changes can lead to significant health benefits. Start by incorporating more plant proteins into your diet by substituting lentils for ground meat or choosing pasta made from chickpeas, black beans, lentils or edamame. Include viscous fibre in your diet by eating oatmeal, adding psyllium husk powder to your smoothies, and eating more fruits like berries, apples, oranges and pears. Snack on unsalted nuts and seeds and consider taking a plant sterol supplement.

Additional Benefits of the Portfolio Diet

Beyond cholesterol-lowering, the Portfolio Diet also provides other cardiovascular benefits. The inclusion of monounsaturated fat, found in extra virgin olive oil, cold-pressed canola oil, avocados, and other sources, helps to improve high-density lipoproteins (HDL) or “good” cholesterol and cholesterol metabolism.

Conclusion

The Portfolio Diet is a clinically proven way to lower your LDL cholesterol and improve your overall heart health. Even partial adherence to this diet can yield significant results, making it a practical and sustainable choice for those looking to improve their cardiovascular health through dietary changes.

author avatar
Ethan Radcliffe
Ethan Radcliffe is a senior reporter and digital editor at The Toronto Insider, specializing in Canadian federal policy, GTA urban development, and national economic trends. With over a decade of experience in North American journalism, Ethan focuses on translating complex legislative and economic developments into clear, accessible reporting for Canadian readers. Ethan’s work emphasizes policy analysis, government accountability, and data-driven reporting, with a strong focus on how federal and provincial decisions impact communities across the Greater Toronto Area and beyond. He has covered infrastructure planning, housing policy, fiscal strategy, and regulatory changes affecting Canadian households and businesses. A graduate of Toronto Metropolitan University’s School of Journalism, Ethan brings expertise in investigative reporting, long-form analysis, editorial standards, and digital publishing best practices. His reporting is guided by verifiable sources, public records, and transparent sourcing. In addition to reporting, Ethan has experience in newsroom editing, fact-checking workflows, SEO-informed journalism, and audience analytics, ensuring stories meet both editorial integrity standards and modern digital discoverability requirements. Ethan is committed to objective, fact-driven journalism and adheres to established ethical guidelines, prioritizing accuracy, clarity, and public trust in all reporting.

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