Leena Watts
A healthy diet is key to reducing cholesterol. Eating foods high in dietary fibre, especially soluble fibre, can help lower LDL cholesterol in the blood. Portion sizes should also be considered, as eating more than required can increase cholesterol and the risk of heart disease. A balanced diet, low in saturated and trans fats, is recommended, with foods containing healthy polyunsaturated and monounsaturated fats. Plant-based foods, fruits, vegetables, legumes, whole grains, nuts, and seeds are beneficial, while salt, sugar, and alcohol intake should be limited. Eating fish two to three times a week is advisable, as it provides omega-3 fats that lower LDL and protect heart health. The Mediterranean Diet is also suggested by dietitians as a heart-healthy plan, emphasising plant-based foods and reducing saturated and trans fats.
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What You'll Learn
Increase plant stanols and sterols
Eating foods with added plant stanols and sterols can help manage cholesterol levels. Phytosterols are natural compounds found in plants that can help lower cholesterol levels and reduce the risk of cardiovascular disease, heart attack, stroke, obesity, diabetes, and cancer. When your body digests plant sterols instead of cholesterol, it removes some of the latter as waste, resulting in lower cholesterol levels.
Plant sterols and stanols can be found in fruits, vegetables, whole grains, nuts, legumes, and oils like olive oil and avocado oil. They are also added to some foods such as specific types of orange juice, margarine, and bread. The American Heart Association recommends consuming sterol and stanol-fortified foods to lower high cholesterol levels. Experts suggest aiming for 2 grams of plant sterols and stanols per day.
In addition to the above, dietary supplements are also available for those who need them. However, it is generally better to obtain nutrients from whole foods. If you have a history of heart disease or high cholesterol, a diet rich in phytosterols or a daily supplement may be beneficial. Nevertheless, it is always advisable to consult your doctor to determine if adding more sterols and stanols to your diet is suitable for your specific needs.
While increasing your intake of plant stanols and sterols is beneficial, it is important to remember that dietary changes should be made in conjunction with other lifestyle modifications. Reducing portion sizes, limiting unhealthy fats, salt, and added sugars, and including heart-healthy drinks like water, tea, and coffee can all contribute to maintaining healthy cholesterol levels.
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Limit salt and alcohol
Limiting Salt and Alcohol Intake to Reduce Cholesterol
Limiting salt and alcohol intake is an important aspect of managing cholesterol levels and maintaining overall health. While salt intake does not directly impact cholesterol levels, excessive salt consumption is associated with increased blood pressure and a higher risk of heart disease and stroke. On the other hand, alcohol consumption can influence cholesterol levels, with heavy drinking being linked to elevated LDL cholesterol and total cholesterol. Therefore, understanding the effects of salt and alcohol intake is crucial for making informed dietary choices to support heart health and maintain healthy cholesterol levels.
Salt Intake and Cholesterol
While limiting salt intake will not directly lower cholesterol levels, it plays a vital role in maintaining cardiovascular health. Excessive salt consumption is linked to increased blood pressure, which is a risk factor for heart disease and stroke. The recommended daily sodium intake is 2,300 milligrams or about one teaspoon of salt. This includes all sources of sodium, such as salt added during cooking or at the table and sodium already present in processed food products. To reduce sodium intake, opt for low-salt or "no added salt" options and use healthier seasonings that are not salt-based.
Alcohol Intake and Cholesterol
Alcohol intake can have varying effects on cholesterol levels depending on the amount and frequency of consumption. Light to moderate alcohol intake may increase HDL cholesterol levels, which is considered beneficial for heart health. However, heavy drinking is associated with elevated LDL cholesterol and total cholesterol levels, increasing the risk of heart disease. It is important to note that the definition of heavy drinking differs between males and females, with lower thresholds for females due to differences in metabolism and body size. Therefore, it is recommended to limit alcohol intake to one drink per day or less for females and two drinks per day or less for males.
Dietary Recommendations
To maintain healthy cholesterol levels, it is advisable to adopt a heart-healthy diet that includes a variety of plant-based foods, such as vegetables, legumes, fruits, whole grains, nuts, and seeds. These foods are rich in dietary fibre, which helps reduce LDL cholesterol levels. Additionally, include foods with healthy fats, such as polyunsaturated and monounsaturated fats found in cooking oils like olive oil, canola oil, and safflower oil. Omega-3 fatty acids, found in fatty fish like salmon, tuna, and sardines, are also beneficial for lowering cholesterol and reducing the risk of heart disease.
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Eat more fibre
Eating more fibre is an important way to lower cholesterol. Fibre is a good carbohydrate, or roughage, found in plant foods. There are two types of fibre: soluble and insoluble. Soluble fibre turns into a gel in the intestines, slowing digestion and preventing the absorption of fats. This type of fibre can be found in oatmeal, beans, lentils, and fruits. Insoluble fibre, on the other hand, helps keep stools soft and regular and can be found in whole grains, beans, lentils, and vegetables.
A high intake of dietary fibre can reduce levels of LDL, or "bad", cholesterol in the blood. This is because soluble fibre traps fats in the intestines, preventing them from being absorbed into the bloodstream. In addition to lowering cholesterol, fibre can also help with weight management, as it makes people feel full and helps them eat less.
To increase your fibre intake, try incorporating more plant-based foods into your diet. This includes vegetables, legumes, fruits, whole grains, nuts, and seeds. For example, you could aim to include servings of ¼ healthy proteins, ¼ whole grains, and ½ colourful vegetables on your plate.
It's important to note that most Americans don't eat enough fibre, often due to concerns about consuming too many carbohydrates. However, it's not difficult to meet the recommended daily amount of fibre by focusing on eating the right kinds of carbs, such as those listed above.
In addition to increasing fibre intake, it's also important to limit salt and alcohol consumption to maintain healthy cholesterol levels.
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Consume polyunsaturated fats
Consuming polyunsaturated fats is an effective way to lower cholesterol levels and improve heart health. Polyunsaturated fats are a type of healthy dietary fat found in both plant and animal foods. They can help lower your LDL ("bad") cholesterol and reduce your risk of heart disease.
To incorporate more polyunsaturated fats into your diet, consider the following:
- Oils: Use nontropical vegetable oils high in polyunsaturated fats, such as sunflower oil, safflower oil, corn oil, soybean oil, canola oil, olive oil, and avocado oil. These oils can be used for cooking instead of butter and solid fats.
- Fish: Include fatty or oily fish in your diet, such as salmon, sardines, tuna, mackerel, black cod, anchovies, herring, bluefin tuna, whitefish, striped bass, and cobia. These fish are rich in omega-3 fatty acids, which have been shown to lower LDL and triglyceride levels and promote heart health. Aim to consume fish two times a week. However, if you are pregnant or breastfeeding, avoid fish high in mercury, such as mackerel.
- Nuts and Seeds: Add walnuts, flaxseeds, sunflower seeds, and other nuts and seeds to your meals and salads. These provide healthy fats and can help lower cholesterol.
- Tofu and Soybeans: Include tofu and soybeans in your diet as a source of polyunsaturated fats.
- Legumes and Whole Grains: Consume legumes (such as beans, peas, and lentils) and whole grains, which are high in fibre and can help reduce cholesterol levels.
It is important to note that while polyunsaturated fats are beneficial, it is crucial not to exceed the recommended total fat consumption. Keep your total fat intake to no more than 25%-30% of your daily calories, and ensure that most of your daily fats come from polyunsaturated and monounsaturated sources. Additionally, read nutrition labels to track your fat intake and make informed choices when purchasing packaged foods.
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Opt for the Mediterranean diet
The Mediterranean diet is a healthy and delicious way to lower your cholesterol and improve your heart health. It emphasises plant-based proteins, whole grains, fish, fruits, and vegetables, which are naturally high in fibre. Fibre is essential because it helps to lower cholesterol levels in the blood.
The Mediterranean diet is also low in saturated fats and refined grains and sugars, all of which can increase cholesterol levels. Instead, healthy fats from olive oil, fatty fish like salmon, tuna, and mackerel, nuts, and seeds are prioritised. These foods are rich in omega-3 fatty acids, which can help lower LDL (bad) cholesterol and triglyceride levels. Additionally, the Mediterranean diet includes foods with plant stanols and sterols, such as whole grains, nuts, legumes, and oils. These substances prevent the digestive tract from absorbing cholesterol.
To get started with the Mediterranean diet, consider making simple swaps. For breakfast, try oatmeal with fresh fruit and fat-free milk instead of bacon and eggs or pancakes. For lunch, start with a vegetable salad drizzled with olive oil. Remember to include fruit in your meals and as a dessert option.
The Mediterranean diet is not just about food choices; it's also about lifestyle changes. Aim to incorporate regular physical activity into your routine, and make gradual changes to your diet to ensure long-term success.
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Frequently asked questions
Diets that are heavy on fruits, vegetables, beans, nuts, whole grains, and legumes are good for lowering cholesterol. The Mediterranean Diet, which focuses on plant-based foods, is recommended by dietitians as a heart-healthy eating plan.
Foods that are high in dietary fibre, particularly soluble fibre, can help lower cholesterol. This includes oats, barley, and other whole grains. Eating fish two to three times a week can also help by providing omega-3 fats, which lower LDL cholesterol.
Limit foods high in saturated fat and avoid trans fats, as these raise "bad" LDL cholesterol. Reduce your intake of red meat, processed meat, fatty cuts of meat, and dairy products.
In addition to diet, regular physical activity, reducing alcohol consumption, and quitting smoking can help lower cholesterol and improve heart health.
