Brenda Khan
Diet is a key factor in lowering cholesterol levels. Cholesterol is a waxy, fat-like substance found in all the cells in your body. While your body needs some cholesterol to function properly, high levels of LDL, or bad cholesterol, can lead to a buildup in your arteries, increasing the risk of heart disease. To reduce LDL cholesterol, it is important to limit foods high in saturated fat and avoid trans fats entirely. A heart-healthy diet typically includes plenty of fruits, vegetables, whole grains, and protein mostly from plants. Eating fish two to three times a week is also recommended, as it provides LDL-lowering omega-3 fats. In addition to specific foods, maintaining a balanced diet with controlled portion sizes is crucial.
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What You'll Learn
The Mediterranean diet
Diet is an important way to lower your cholesterol. While genetics and some medications can cause high cholesterol, an unhealthy diet is often the main culprit.
There is some debate about the effectiveness of the Mediterranean diet in lowering cholesterol. While some studies have suggested that it can help lower 'bad' LDL cholesterol levels, others have found that it may not have a significant impact. For example, researchers from Lausanne University found that the Mediterranean diet did not affect the lipid profiles of study participants, including their cholesterol and triglyceride levels. However, other studies have shown that the diet can be particularly beneficial for those at high risk for cardiovascular disease.
Overall, the Mediterranean diet is a healthy and delicious way to improve your heart health and lower your cholesterol levels, especially when combined with regular physical activity and weight management.
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Lifestyle changes
Diet
Diet is an important way to lower your cholesterol. The Mediterranean diet is often recommended by dietitians as a heart-healthy eating plan. This diet involves planning your meals around plant-based foods, including fruits, vegetables, whole grains, beans, nuts and seeds, and limiting unhealthy fats, salt, and added sugar. It also includes moderate amounts of fish, lean poultry, seafood, eggs, and dairy, while avoiding red meat, fried foods, desserts, and anything made with white flour. The Ornish diet is another vegetarian diet that has been shown to substantially lower LDL cholesterol. It consists of fruits, vegetables, soybean products, non-fat milk, and yogurt, with no oils or animal products.
To lower your cholesterol, it is important to limit foods high in saturated fat and avoid trans fats and partially hydrogenated oils, which are commonly found in fast food and processed foods. Instead, opt for healthier fats like olive oil, avocado, nuts, seeds, and cooking oils made from plants or seeds. Eating more fibre, found in foods like vegetables, fruits, whole grains, legumes, nuts, and seeds, can also help reduce LDL cholesterol.
Weight Management
Maintaining a healthy weight is another important lifestyle change. Being overweight or obese can contribute to high cholesterol levels.
Physical Activity
Engaging in regular physical activity is crucial for lowering cholesterol levels and improving heart health.
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Foods to eat
Eating the right foods can help lower your cholesterol and improve your overall health. A largely vegetarian "dietary portfolio of cholesterol-lowering foods" can substantially lower LDL, the harmful cholesterol-carrying particle that contributes to artery-clogging. Here are some foods to eat to help lower your cholesterol:
Oats and Whole Grains
Oats and other whole grains such as barley and brown rice contain fibre that can help reduce your "bad" LDL cholesterol. Start your day with a bowl of oatmeal and opt for whole-grain bread and pasta. Oats provide 1 to 2 grams of soluble fibre, which binds cholesterol and its precursors in the digestive system and drags them out of the body before they enter your bloodstream.
Fatty Fish
Eat fish two or three times a week to lower LDL in two ways: by replacing meat, which has LDL-boosting saturated fats, and by delivering LDL-lowering omega-3 fats. Omega-3s reduce triglycerides in the bloodstream and also protect the heart by helping to prevent abnormal heart rhythms. Salmon, mackerel, sardines, and trout are good choices as they contain omega-3 fatty acids, which can help lower triglycerides and reduce inflammation.
Nuts
Nuts are nutrient-rich and a great snack or addition to meals. They are loaded with flavour and fibre, protein, and healthy fats that help reduce LDL cholesterol. Almonds, walnuts, pistachios, and other nuts will help you feel full, but be sure to limit your portions as they are high in calories.
Avocados
Avocados are a great source of monounsaturated fats, which can help raise your "good" HDL cholesterol while lowering LDL cholesterol. They are a delicious and versatile fruit with plenty of health benefits, so enjoy that avocado toast or homemade guacamole!
Beans and Legumes
Beans, lentils, peas, and chickpeas are plant-based sources of protein that are high in fibre. They can help lower LDL cholesterol and are a great addition to a cholesterol-lowering diet.
Soy
Soybeans and foods made from them, like tofu, tempeh, and soy milk, can help lower LDL cholesterol levels when eaten as part of a balanced diet. Consuming 25 grams of soy protein a day can lower LDL by 5% to 6%.
Dark Chocolate
Dark chocolate, with a cocoa content of at least 70%, can be a sweet treat that helps lower LDL cholesterol and reduce inflammation.
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Foods to avoid
A diet that helps lower cholesterol is good for the body in many ways beyond just lowering cholesterol. It keeps blood pressure in check, helps arteries stay flexible and responsive, and is good for bones, digestive health, vision, and mental health.
To lower your cholesterol, it is important to limit your intake of saturated fats, which are found in some meats, dairy products, chocolate, baked goods, and deep-fried and processed foods. Instead, switch to foods with healthier fats, such as lean meat, nuts, and unsaturated oils like canola, olive, and safflower oils.
Cholesterol is found in foods from animals, such as liver and other organ meats, egg yolks, shrimp, and whole milk dairy products. If you are trying to lower your cholesterol, you should have less than 200 mg of cholesterol per day.
Alcohol should also be limited as it adds extra calories, which can lead to weight gain. Being overweight can raise LDL levels and lower HDL levels.
In addition to limiting certain foods, it is important to eat a variety of cholesterol-lowering foods. A largely vegetarian diet that includes beans, oats, whole grains, nuts, fruits, and vegetables can substantially lower LDL, triglycerides, and blood pressure. Eating fish two to three times a week can also lower LDL by replacing meat and delivering omega-3 fats.
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Alcohol consumption
However, heavy drinking is consistently associated with negative health outcomes, including increased levels of LDL ("bad") cholesterol, total cholesterol, and triglycerides. High-risk drinking, typically defined as more than 4 drinks per day for women and more than 5 drinks per day for men, can lead to a significantly elevated risk of heart disease, stroke, high blood pressure, and other cardiovascular issues. Additionally, females are generally more susceptible to the effects of alcohol due to lower levels of the enzyme alcohol dehydrogenase, which is responsible for breaking down alcohol in the body.
While alcohol consumption may have a positive impact on cholesterol levels in moderation, it is important to note that drinking alcohol also carries other risks, such as an increased risk of certain cancers, cirrhosis of the liver, and accidents. Therefore, it is not recommended to start consuming alcohol specifically for cholesterol-lowering purposes. Instead, maintaining a healthy weight, following a balanced diet, and engaging in regular physical activity are generally recommended as the primary lifestyle interventions for managing cholesterol levels.
The effects of alcohol consumption on cholesterol can vary depending on individual factors, and it is always advisable to consult with a healthcare professional before making any significant changes to your diet or alcohol intake. Additionally, it is worth noting that the specific type of alcohol consumed may also play a role in its impact on cholesterol levels, with some studies suggesting that wine, particularly red wine, may have more favourable effects compared to other types of alcoholic beverages.
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Frequently asked questions
Cholesterol is a waxy, fat-like substance found in all the cells in your body. Your body needs some cholesterol to function properly. However, too much cholesterol in your blood can stick to the walls of your arteries, narrowing or blocking them. This increases your risk of coronary artery disease and other heart diseases.
A diet to lower cholesterol involves limiting foods high in saturated fat and trans fat, which can raise LDL (bad) cholesterol levels. It is recommended to eat more plant-based foods, such as fruits, vegetables, whole grains, legumes, nuts, and seeds. Eating fish two to three times a week is also beneficial, as it provides omega-3 fats, which reduce triglycerides and protect heart health.
The Mediterranean diet is often recommended for heart health and cholesterol management. It involves planning meals around plant-based foods, moderate amounts of fish and lean poultry, and limiting red meat, fried foods, and refined carbohydrates. The Ornish diet, a vegetarian plan that eliminates oils and animal products, has also been shown to significantly reduce LDL cholesterol.
