Milly Gaines
A fatty liver diet is a well-balanced, nutritious diet that is rich in fibre, lean or plant-based protein, and healthy fats. It is recommended for those with non-alcoholic fatty liver disease (NAFLD) or non-alcoholic fatty liver (NAFL). This diet can help improve liver health, lower disease risk, and promote healthy weight loss. It involves limiting portion sizes, eating more low-glycemic index foods, and limiting intake of saturated fats and trans fats. A fatty liver diet typically includes foods such as legumes, leafy greens, fatty fish, nuts, and olive oil.
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What You'll Learn
The Mediterranean diet
When following the Mediterranean diet, it is important to avoid alcohol consumption, even though the diet traditionally includes a moderate amount of red wine. Alcohol can worsen NAFLD and increase the risk of liver damage. Instead, drinking three cups of coffee per day is recommended, as well as consuming four tablespoons of olive oil, which is rich in healthy fats.
Adapting to the Mediterranean diet can be challenging due to the prevalence of convenience foods and junk food in our daily lives. It is crucial for individuals to understand the benefits of the recommended diet and set realistic goals with the help of a nutrition expert. This diet is a safe and effective way to improve liver health and overall well-being.
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Fatty fish and omega-3 fatty acids
Fatty liver disease is a condition characterised by a buildup of fat in the liver. There are two types: alcoholic liver disease, which is caused by excessive alcohol consumption, and non-alcoholic fatty liver disease (NAFLD).
Omega-3 fatty acids are "healthy fats" that are essential nutrients, meaning you need to get them from your diet as your body can't produce enough of them. They are polyunsaturated fats that perform important functions in your body. They are a vital part of your cell membranes, helping to provide structure and supporting interactions between cells.
Fatty fish, such as salmon, mackerel, sardines, trout, herring, anchovies, bluefin tuna, oysters and mussels, are a good source of omega-3 fatty acids. The American Heart Association recommends that people without a history of heart disease eat at least two servings of fish per week (6-8 ounces total). For a 2,000-calorie diet, it is recommended to eat at least 8 ounces of seafood per week. Eating fish as part of a heart-healthy dietary pattern is beneficial for mothers and their babies. However, some types of fish contain high levels of mercury or other environmental contaminants, so it is important for pregnant or nursing women, as well as parents or caregivers of young children, to check the safety of the fish they consume.
Omega-3 fatty acids have been found to play a role in each of the four physiological pillars of fatty liver disease. Firstly, they improve insulin sensitivity, reducing the risk of NAFLD. Secondly, they possess anti-inflammatory properties, which can counter liver inflammation, a key component of liver diseases. Thirdly, there is emerging evidence of a strong correlation between omega-3 intake and a diverse human gut microbiome, which is beneficial. Lastly, omega-3s contribute to lowering blood triglycerides, reducing the amount of fat in the blood that could otherwise accumulate in the liver.
In addition to the benefits for liver health, omega-3 fatty acids are also good for your heart, eye health, and reducing inflammation. They help to lower triglyceride levels, raise HDL (good) cholesterol, and lower blood pressure, thereby reducing the risk of cardiovascular disease.
While the above information highlights the benefits of omega-3 fatty acids, it is important to consult a healthcare professional before making any significant dietary changes or taking supplements.
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Spinach and legumes
A fatty liver diet should be well-rounded, nutritious, rich in fibre, lean or plant-based protein, and healthy fats. It is recommended that patients with non-alcoholic fatty liver disease (NAFLD) follow the Mediterranean diet, which involves eating primarily plant-based foods and healthy fats.
Spinach and other leafy greens may help fight fatty liver disease. Spinach is one of the richest sources of polyphenols and antioxidants, which have protective effects against liver diseases. A 2021 observational study found that eating spinach, especially raw spinach, lowered the risk of NAFLD. This may be due to the nitrate and distinct polyphenols in the leafy green. The same study also found that cooking spinach may lower polyphenolic content and antioxidant activity, which may explain why cooked spinach did not have the same strong results.
Legumes, such as lentils, chickpeas, soybeans, and peas, are nutritionally dense foods that contain resistant starches that help improve gut health. Consumption of legumes may help lower blood glucose and triglycerides in people with obesity. A 2019 study found that diets rich in legumes helped lower the likelihood of NAFLD.
In addition to spinach and legumes, fatty fish such as salmon, sardines, tuna, and trout are also recommended for a fatty liver diet as they are high in omega-3 fatty acids, which may benefit those with NAFLD by reducing liver fat, boosting protective HDL cholesterol, and lowering triglyceride levels.
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Coffee and olive oil
Coffee is recommended for patients with non-alcoholic fatty liver disease, with a suggested intake of 2 to 3 cups per day. Coffee is believed to help prevent the progression of fatty liver to a more serious liver disease. However, it is worth noting that coffee is acidic and contains caffeine, which can make the liver work harder. Thus, it is advisable to opt for decaffeinated coffee or limit caffeine intake from other sources.
Olive oil, specifically extra virgin olive oil (EVOO), is also recommended for those with fatty liver disease. Studies have shown that consuming up to four tablespoons of olive oil per day can positively impact the treatment of fatty liver. Olive oil can help lower bad cholesterol (LDL) levels without affecting good cholesterol (HDL) levels. Additionally, olive oil has beneficial effects on the vascular system. However, it is important to note that EVOO is not recommended for cooking, especially with high heat, as it can easily oxidize.
In addition to coffee and olive oil, a fatty liver diet should be well-rounded and nutritious, focusing on plant-based foods, healthy fats, and lean protein. The Mediterranean diet is often recommended, which includes fruits, vegetables, whole grains, beans, nuts, legumes, and healthy oils. This diet also emphasizes fish and seafood, with poultry, eggs, cheese, and yogurt consumed in moderation, while sweets and red meat are limited. It is important to note that individual needs may vary, and adapting to a new diet can be challenging, so it is always best to consult with a dietitian or healthcare provider for personalized advice.
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Low-glycemic index foods
A fatty liver diet is one that is well-rounded and nutritious, focusing on fibre, lean or plant-based proteins, and healthy fats. This type of diet can help improve liver health, lower disease risk, and promote healthy weight loss. For those with non-alcoholic fatty liver disease (NAFLD), a low-glycemic index (GI) diet is recommended. This is because a low GI diet can reduce glucose absorption, hepatic influx of glucose, and de novo lipogenesis.
In humans, a low-glycemic and Mediterranean diet combination has been shown to reduce the risk of heart disease and lower bad LDL cholesterol. This is important because heart disease and diabetes are strongly associated risk factors for fatty liver disease.
For those with NAFLD, a diet rich in high-fibre foods like oats can be beneficial and help reduce triglyceride levels. Similarly, a diet rich in nuts has been associated with reduced inflammation, insulin resistance, oxidative stress, and a lower prevalence of NAFLD.
Overall, a low-glycemic index diet can be an effective way to improve liver health and reduce the risk of fatty liver disease.
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Frequently asked questions
A fatty liver diet is a well-balanced and nutritious diet that is rich in fibre, lean or plant-based protein, and healthy fats. It is recommended that people with non-alcoholic fatty liver disease (NAFLD) limit their intake of fats, especially saturated and trans fats, and opt for unsaturated fats, like omega-3 fatty acids found in fatty fish. A Mediterranean diet, which emphasises plant-based foods and healthy oils, is often suggested for those with NAFLD.
It is recommended to include foods such as spinach and other leafy greens, legumes like lentils and chickpeas, nuts, tofu, and oats. These foods are high in fibre and provide essential nutrients that can help improve liver health.
In addition to dietary changes, it is important to adopt a healthy lifestyle. This includes regular exercise, adequate quality sleep, and maintaining a healthy weight. It is also important to limit portion sizes, reduce added sugars, and opt for cooking methods that use little or no added fat, such as grilling, steaming, or boiling.
