Portfolio Diet Gains Popularity to Lower Cholesterol Without Medication, Experts Say
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A plant-based eating plan known as the Portfolio Diet is gaining attention for its cholesterol-lowering potential, and research suggests it may be as effective as some prescription medications.
Reportedly developed by Dr. David JA Jenkins, professor of nutrition and medicine at the University of Toronto and clinical scientist at St. Michael’s Hospital in Toronto, Canada, the diet focuses on specific plant-based foods that have been shown to reduce LDL (“bad”) cholesterol and support overall heart health.
Erin Palinski-Wade, a New Jersey-based registered dietitian nutritionist and author of “The 2-Day Diabetes Diet,” said the Portfolio Diet stands out from other heart-healthy plans because it is more structured.
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“Research shows that following this diet is associated with significant reductions in LDL cholesterol, inflammation and cardiovascular risk factors, leading to a 14% lower risk of coronary heart disease and stroke,” Palinski-Wade told News Digital.
“Because it prioritizes cholesterol-lowering plant-based foods, it limits most animal products to help maximize heart health benefits.”

The Portfolio Diet limits animal products to reduce saturated fat and emphasizes heart-healthy plant foods. (iStock)
The Portfolio Diet, which also limits processed foods high in saturated fat, works by combining foods that attack cholesterol in different ways.
The plan is known to revolve around the following four key components, each of which plays a unique role in supporting heart health.
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- Plant sterols (also called phytosterols), found in fortified foods such as spreads, juices and yogurts, help lower cholesterol by competing for absorption in the digestive tract.
- Soluble fiber, found in oats, barley, beans, lentils, apples and citrus, binds to cholesterol and helps remove it from the body.
- Soy protein, such as tofu, soy milk, and tempeh, replaces animal protein to reduce saturated fat intake.
- Walnuts provide healthy fats, antioxidants and fiber that support heart health.

Some studies have suggested that this diet can lower LDL cholesterol as effectively as some medications without side effects. (iStock)
Together, these four elements block cholesterol absorption, help remove LDL from the bloodstream, and reduce inflammation in the arteries.
Some studies have suggested that this diet can lower LDL cholesterol as effectively as some medications without side effects, Palinski-Wade added.
A typical day with the Portfolio Diet
Below are some examples of what you could eat on this diet plan, according to nutrition experts.
Breakfast can include oatmeal made with soy milk, berries, and sliced almonds, or a smoothie with soy milk, banana, oats, and peanut butter.
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For lunch, a lentil soup with whole wheat toast and a salad is a satisfying option, while a mixed bean salad with olive oil, lemon and walnuts also fits the plan.
Dinner could include tofu and stir-fried vegetables served over quinoa or chickpea and vegetable curry with brown rice.

Plant sterols and soluble fiber work together to block the absorption of cholesterol and help eliminate it from the body. (iStock)
Snacks such as soy yogurt with fruit and oats or a small handful of pistachios, almonds or walnuts provide extra fiber and heart-healthy fats.
Palinski-Wade noted that nuts are an important part of the plan and eating one to two ounces a day can make a difference. Pistachios, for example, offer protein, fiber and antioxidants that help reduce LDL cholesterol and promote heart health.
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While the Portfolio Diet can offer heart health benefits, it requires planning and consistency. Palinski-Wade suggests starting small to ease the transition.
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“Focus on [simple] “Swap up instead of trying to change your entire diet at once,” she advised. “Add one or two key foods, like nuts or plant-based proteins, and build from there.”
She also recommends using a food diary or tracking app to help track daily goals for protein, fiber, and healthy fats.
Potential risks and warnings
The Portfolio Diet can be difficult to maintain due to its restrictive nature.
“Some people may find it challenging to maintain compliance, particularly in social settings or amid culinary temptations,” according to an article published in Nutritionist Resource.

Anyone interested in adopting the Portfolio Diet should speak with a doctor before proceeding. (iStock)
Some experts also warn of the possibility of nutrient deficiencies, particularly vitamin B12, calcium and omega-3 fatty acids.
For those with soy or nut allergies, following the Portfolio Diet might be more difficult, as those foods play a major role in the plan’s cholesterol-lowering effects.
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“People with a nut allergy or soy intolerance should exercise caution and seek personalized dietary guidance to avoid adverse reactions,” the article above states.
Anyone interested in adopting the Portfolio Diet should speak with a doctor before proceeding.
News Digital contacted Jenkins, the diet’s creator, for comment.
Kelly McGreal is a production assistant on the lifestyle team at News Digital.


