Leena Watts
Gout is a type of inflammatory arthritis that causes sudden and severe pain attacks. It is caused by elevated levels of uric acid in the blood, which result in crystals depositing in the affected joint. Gout flares can be managed through dietary changes, and there is a strong connection between gout, obesity, type 2 diabetes, and metabolic syndrome, which are all potentially caused or exacerbated by sugar and refined carbohydrate consumption. Observational studies show a correlation between fructose consumption and an increased risk of gout, and some studies have shown that reducing carbohydrate intake can reduce gout attacks. Therefore, a gout diet may involve limiting refined carbohydrates and choosing whole grain foods instead.
| Characteristics | Values |
|---|---|
| Carbohydrates to avoid | Refined carbohydrates, sugar, sweetened beverages, high-fructose corn syrup, processed foods |
| Carbohydrates to consume in moderation | Fruit, honey |
| Carbohydrates to consume | Whole grains, legumes, low-glycemic carbs, fruits with high fiber and low sugar content, such as cherries, citrus fruits, and berries |
| Recommended daily intake | Less than 100 grams of carbohydrates per day; approximately 160 grams of carbohydrates per day |
| Types of diets | Low-carb diets, DASH diet, Mediterranean diet, Ketogenic diet |
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What You'll Learn
Gout and the link between carbs and insulin resistance
Gout is a type of inflammatory arthritis that causes sudden and severe pain attacks. It is caused by elevated levels of uric acid in the blood, which result in crystals being deposited in the affected joint. Gout flares can begin suddenly, often at night, and may last for 1–2 weeks. Symptoms tend to be most painful during the first 24 hours.
The right diet can help manage gout symptoms and prevent flares. This includes avoiding animal foods high in purines, choosing plant-based foods, and limiting foods that naturally contain a lot of fructose. Fructose is a common form of carbohydrate that has been shown to directly elevate uric acid levels in humans. A low-carb diet may also help manage gout, as there is a strong connection between elevated uric acid levels, gout, obesity, type 2 diabetes, and metabolic syndrome.
Observational studies consistently show a correlation between fructose consumption and an increased risk of gout. While these studies cannot prove causation, the combination of mechanistic and observational data makes a compelling case for avoiding fructose to reduce the risk of gout. Short-term studies show a temporary rise in uric acid during the first few weeks of a strict low-carb diet, but this effect disappears after about six weeks, with uric acid returning to baseline or even lower.
In addition to limiting fructose and carbohydrate intake, people with gout may also benefit from limiting refined carbohydrates, such as white bread and items made with white flour. Instead, they should choose whole-grain foods and increase their intake of fruits, vegetables, low-fat dairy products, eggs, and unsweetened beverages. Shifting to an eating pattern that is low in saturated fats and refined carbs may make gout more manageable.
While a ketogenic diet may help manage gout symptoms, experts are unsure if this high-fat diet is beneficial in the long term. More research is needed to determine the effectiveness of a keto diet in managing gout. However, choosing quality carbohydrates instead of avoiding them altogether on a keto diet may be a better approach. Eating plenty of low-glycemic carbs, such as legumes, dairy, and some fruits, has been linked to reduced uric acid levels.
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Low-carb diets and their effect on gout
Gout is a form of inflammatory arthritis that affects about 4% of American adults. It is caused by elevated levels of uric acid in the blood, which can lead to crystals depositing in the affected joint, causing pain, tenderness, swelling, and redness. Gout is often blamed on excessive meat consumption as meat contains high levels of purines, which are broken down into uric acid in the body. However, low-carb diets that are high in meat are different from a meat-heavy standard American diet as they should have negligible amounts of sugar and refined carbohydrates.
There is a growing body of evidence suggesting a strong association between sugar intake and the risk of gout. Fructose, in particular, is well-known to directly increase blood uric acid levels. Additionally, elevated blood insulin levels, associated with a diet high in sugar and refined carbohydrates, have been linked to increased uric acid levels as they decrease the excretion of uric acid by the kidneys. Observational studies consistently show a correlation between fructose consumption and an increased risk of gout. Beer, which contains rapidly digestible carbohydrates, also raises insulin levels and thus lowers the excretion of uric acid.
Low-carb diets, such as the keto diet, are meant to put the body into a metabolic state called ketosis, which can help with weight loss. Weight loss is the most effective way to lower uric acid levels and prevent gout flare-ups. While the keto diet may have some proven health benefits, it is not for everyone and more research is needed on its effects on gout. Short-term studies show a temporary rise in uric acid during the first few weeks of starting a strict low-carb diet, which then returns to baseline or even lower after about six weeks. However, doctors who regularly treat patients with low-carb diets do not notice a sharp increase in gout episodes, and some studies have shown that uric acid levels can decrease significantly after 6 months on a low-carb diet.
Overall, while there may be a small increase in the risk of gout during the initial phase of a low-carb diet, this risk is likely short-term and can be mitigated with certain lifestyle modifications, such as reducing alcohol intake and losing excess weight. Shifting to a low-carb diet that emphasizes weight loss and overall health can help lower uric acid levels and prevent gout flare-ups in the long term.
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Carbohydrates to avoid with gout
Carbohydrates play a significant role in managing gout symptoms. Gout is caused by elevated levels of uric acid in the blood, resulting in crystals depositing in the joints, leading to a sudden and painful inflammation of a joint, most often at the base of the big toe. Gout is more common in people who are overweight and have metabolic syndrome.
There is a strong connection between elevated uric acid levels, gout, obesity, type 2 diabetes, and metabolic syndrome. Sugar and refined carbohydrates are associated with these conditions. Observational studies have consistently shown a correlation between fructose consumption and an increased risk of gout. Fructose is found in sweetened beverages and directly increases blood uric acid levels. Elevated blood insulin levels, associated with a diet high in sugar and refined carbs, have been shown to increase uric acid levels by decreasing the excretion of uric acid by the kidneys.
Therefore, it is recommended to limit refined carbohydrates such as white bread and items made with white flour. Whole grain foods are a healthier alternative. A well-formulated low-carb diet that reduces sugars and refined carbohydrates could potentially reduce the risk of gout in the long term. The Mediterranean diet is also recommended for gout as it emphasizes whole foods, lean proteins, and healthy fats.
However, it is important to note that nutritional research often yields conflicting results. While there is a growing body of evidence suggesting a link between sugar intake and gout risk, more research is needed to establish a causal relationship. Additionally, short-term studies of low-carb diets have shown a temporary rise in uric acid levels during the first few weeks, which seems to disappear after about six weeks.
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Carbohydrates that can help manage gout
Gout is a type of inflammatory arthritis that causes sudden and severe pain attacks, usually in the joints. It is caused by elevated levels of uric acid in the blood, resulting in crystals being deposited in the affected joint. A gout-friendly diet can help relieve pain and swelling and prevent future attacks.
Observational studies show a correlation between fructose consumption and an increased risk of gout. Fructose can lead to the overproduction of uric acid, so people with gout should limit foods that naturally contain a lot of fructose, such as sugary soda drinks and processed foods that contain high-fructose corn syrup. However, this does not mean excluding fruit or honey from your diet; these can be eaten in moderation.
To help manage gout, a doctor or dietitian may suggest shifting to a healthier eating pattern that includes plenty of vegetables, fruits, whole grains, and legumes. Whole grains, including quinoa, barley, buckwheat, oats, and brown rice, are good choices. Refined carbohydrates, such as white bread and items made with white flour, should be limited.
Low-purine foods can also help form a healthy, balanced diet. These include low-fat dairy products, fruits (especially those with high fibre and low sugar content, such as cherries, citrus fruits, and berries), and nuts such as almonds, cashews, pistachios, walnuts, and macadamia nuts.
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The ketogenic diet and gout
Gout is a common form of arthritis that causes sudden and severe pain attacks. It is caused by elevated levels of uric acid in the blood, which result in crystals being deposited in the affected joint. Gout is more common in people who are overweight and have metabolic syndrome.
The conventional advice for gout-sufferers has long been to avoid excessive meat and seafood consumption. This is because the uric acid that causes gout is a breakdown product of purines – the building blocks of protein that are highly concentrated in meat.
However, a low-carb diet is not necessarily high in meat. In fact, there is a growing body of evidence suggesting a strong association between sugar intake and the risk of gout. Observational studies consistently show a correlation between fructose consumption and an increased risk of gout.
A ketogenic diet is typically high in purine-rich animal protein foods, which makes keto a counterintuitive choice for managing gout. However, some research has indicated that a well-formulated ketogenic diet may actually be beneficial in managing gout. For example, researchers at Yale University found that when rats were fed a ketogenic diet, they experienced less joint inflammation and swelling.
While the results of these studies have been promising, scientists say that further research is needed before recommending a keto diet to help keep gout under control. For now, it’s best to stick with conventional wisdom regarding food and gout, which suggests that diets high in animal proteins are risky for a person with the condition.
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Frequently asked questions
Gout is a type of arthritis that causes sudden and severe pain attacks. It is caused by elevated levels of uric acid in the blood, resulting in crystals being deposited in the affected joint.
People with gout should limit their intake of refined carbohydrates, such as white bread and other foods made with white flour. Instead, choose whole grain foods. A low-carb diet may also help, but it is important to ensure that it is not high in meat. A recent study showed that reducing carbohydrate intake to approximately 160 grams per day prevented gout flares in non-diabetic men. Another study showed that reducing carbohydrates to less than 100 grams per day put gout into remission in most patients.
In addition to limiting refined carbs, it is recommended to reduce your intake of saturated fat found in foods like butter, full-fat cheeses, shortening, and palm oil. Instead, cook with unsaturated fats like olive oil. A gout-friendly diet includes all fruits and vegetables, low-fat dairy products, eggs, and unsweetened beverages.
