
Sugar is a common ingredient in many foods and drinks, and while it can be a part of a balanced diet, excessive consumption can lead to various health issues. For individuals with arthritis, the impact of sugar intake on their condition is a pertinent question. Research has linked high sugar consumption to worse arthritis symptoms, with sugar contributing to inflammation and pain. This is particularly true for those with rheumatoid arthritis (RA) and osteoarthritis (OA). As a result, people with arthritis are often advised to reduce their sugar intake and opt for anti-inflammatory foods. However, it is important to note that moderation is crucial, and completely eliminating sugar may not be necessary. Consulting with a healthcare provider or registered dietitian is recommended to create a personalized dietary plan that effectively manages arthritis symptoms.
Does eliminating sugar from your diet alleviate arthritis pain?
| Characteristics | Values |
|---|---|
| Inflammation | Sugar contributes to inflammation, which is a cause of arthritis. |
| Cytokines | Excess sugar causes the body to produce more cytokines, inflammatory proteins that can worsen joint pain, stiffness, and swelling. |
| Weight gain | Sugar causes weight gain, which can put more pressure on the joints, worsening arthritis symptoms. |
| Obesity | Obesity can lead to more active and severe rheumatoid and psoriatic arthritis. |
| Gout | High-sugar foods and drinks increase serum uric acid levels, which can cause gout, a type of arthritis. |
| Rheumatoid Arthritis (RA) | Sugar can affect the gut microbiome, which may worsen RA symptoms. |
| Osteoarthritis (OA) | OA is the most common type of arthritis and can be managed through diet changes, including reducing sugar intake. |
| Cardiovascular disease | Sugar causes weight gain, especially around the waist, which is associated with cardiovascular disease. |
| Chronic conditions | Added sugar contributes to chronic conditions, including autoimmune disease and arthritis. |
| Gut health | Sugar encourages the growth of bad bacteria in the gut, which may worsen RA symptoms. |
| Autoimmune diseases | Sugar increases inflammation, which is associated with autoimmune diseases. |
| Anti-inflammatory foods | Eating anti-inflammatory foods, such as fruits and vegetables, can help reduce arthritis symptoms. |
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What You'll Learn

Sugar and inflammation
Sugar is one of the foods that should be avoided or at least minimized if you have arthritis. This is because sugar can cause inflammation, which in turn can worsen many health conditions, including arthritis.
Research has shown that sugar consumption increases inflammation in humans. Excessive sugar intake is closely associated with the development of low-grade chronic inflammation, which can increase your risk of serious health problems, such as heart disease, obesity, diabetes, cancer, rheumatoid arthritis, and allergies.
Consuming too much added sugar and refined carbs is linked to inflammation in the body. A study of 29 healthy people found that consuming only 40 grams of added sugar from just one 375-ml can of soda per day for 3 weeks led to higher inflammatory markers and fasting glucose, and unfavorable changes in LDL cholesterol. Participants who drank the daily soda also gained more weight over the study period. Another study found that people who consumed a 50-gram dose of fructose experienced a spike in inflammatory markers like C-reactive protein (CRP) just 30 minutes later.
Observational studies in humans often measure sugar intake by asking people how many sugar-sweetened beverages they drink per day. This is because sugar-sweetened drinks are easier to keep track of in research, and because the effects of added sugar intake are linked to higher blood pressure, inflammation, weight gain, diabetes, and fatty liver disease. Sugar-sweetened beverages have also been associated with an increased risk of chronic inflammatory diseases.
The link between sugar and inflammation is also evident in people with osteoarthritis (OA), which is the most common type of arthritis. Research shows that a diet high in sugary foods and fat increases inflammation and causes obesity, which has a negative effect on the joints, including increased osteoarthritis in the knees.
While it is important to be cautious about eating added sugar if you have arthritis, it is not necessary to eliminate sugar completely. A balanced, nutritious diet that includes whole foods containing natural sugar is recommended.
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Weight gain and arthritis
Sugar consumption is linked to inflammation, which is a key factor in arthritis. Studies have shown that sugar consumption increases inflammation in the body. This is due to the release of inflammatory cytokines, which are inflammatory proteins. Inflammation from sugar can worsen many health conditions, including arthritis.
The link between weight gain and arthritis is particularly strong in osteoarthritis (OA), the most common type of arthritis. Weight loss has been associated with a significantly lower risk of developing OA. For example, in one study, a weight gain of 2 BMI units was associated with an increased risk of knee OA, while a weight loss of the same amount was associated with a 50% decrease in risk.
Excess weight can also worsen OA symptoms. Fat cells release biochemicals that cause inflammation throughout the body, including in the joints. This additional inflammation can speed up the destruction of cartilage and increase the risk of joint damage.
Therefore, maintaining a moderate weight is recommended for those with arthritis or those looking to reduce their risk of developing the condition. A nutritious diet, reducing sugary and processed foods, and regular physical activity can help manage arthritis symptoms and improve overall health.
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Sugar-sweetened beverages
In addition, sugar-sweetened beverages can affect the body's ability to absorb calcium, which is necessary for bone health. This can further contribute to joint pain and arthritis development.
For individuals with arthritis, it is recommended to reduce the consumption of sugar-sweetened beverages and choose unsweetened alternatives, especially water. This can help manage arthritis symptoms and improve overall health and well-being.
It is important to note that while sugar-sweetened beverages may increase the risk of arthritis and worsen symptoms, other factors also play a role. A balanced and nutritious diet, regular exercise, and maintaining a moderate weight are also important in managing arthritis.
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Natural vs added sugars
Natural sugars are those that occur naturally in foods such as fruit (fructose) and milk (lactose). Other examples of foods with naturally occurring sugars include starchy vegetables, whole or minimally processed carbohydrates like brown rice, whole grain pasta, and dairy products like cheese and yoghurt. These sugars are processed more slowly by the body, keeping your metabolism stable over time. This means that your blood glucose level stays elevated for longer, preventing the rapid blood sugar spike and drop that can occur when consuming added sugars.
Added sugars, on the other hand, are introduced to food during manufacturing or processing. They include white sugar, brown sugar, honey, and other chemically manufactured sweeteners such as high-fructose corn syrup. Added sugars are typically processed quickly by the body, leading to a rapid spike and subsequent crash in blood glucose levels. This can leave you hungry, irritable, and craving more sugary foods. Added sugars contribute additional calories and zero nutrients to food, and they can increase inflammation in the body, which is why they are associated with so many health conditions, including arthritis.
The American Heart Association recommends limiting the consumption of added sugars, and the Dietary Guidelines for Americans 2020-2025 advise keeping added sugars below 10% of a person's total daily calories. For context, a 2017 survey of 217 people living with rheumatoid arthritis found that certain foods triggered their symptoms. While there is no need to cut out sugar completely, people with arthritis may want to be particularly conscious of their sugar intake.
Overall, it is important to focus on eating a balanced, nutritious diet and maintaining a moderate weight. This may involve reducing your intake of sugary, processed foods and increasing your consumption of fruits, vegetables, whole grains, legumes, and other foods rich in antioxidants and vitamins C, A, and E.
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Sugar alternatives
Stevia
Stevia is a natural sweetener derived from the leaves of the South American shrub *Stevia rebaudiana*. The sweet compounds extracted from the plant, stevioside and rebaudioside A, are up to 450 times sweeter than sugar and contain zero calories. Research indicates that stevia may help prevent weight gain and reduce blood sugar levels. However, some studies suggest that it may negatively impact the gut microbiome, so further research is needed.
Monk Fruit
Monk fruit is a natural sweetener extracted from the monk fruit, a small green melon native to Asia. It is significantly sweeter than sugar and contains zero calories. Monk fruit sweeteners are generally well-tolerated and may offer some health benefits, such as reduced blood sugar spikes and improved insulin sensitivity.
Sugar Alcohols (Erythritol, Xylitol, and Maltitol)
Sugar alcohols are derived from various sources, including fruits, vegetables, and grains. They are not fully digested or absorbed, resulting in a lower calorie count compared to sugar. Sugar alcohols do not cause tooth decay and have minimal impact on blood sugar levels, making them suitable for individuals with diabetes. However, consuming large amounts of certain sugar alcohols may cause digestive issues, so moderation is key.
Allulose
Allulose is a rare sugar found in small amounts in certain fruits, such as figs and raisins. It has similar properties to table sugar but with fewer calories and a milder effect on blood sugar levels. Allulose is about 70% as sweet as sugar and can be used in baking and cooking.
Dates
Dates are the dried fruits of the date palm tree, offering a sweet and chewy texture. They are high in natural sugars and calories but do not significantly impact blood sugar levels like refined sugar. Dates are a good source of nutrients, including fiber, potassium, magnesium, and antioxidants. They can be used as a 1-to-1 replacement for refined sugar in recipes or blended into smoothies and nut milks.
While eliminating sugar from your diet may not directly alleviate arthritis pain, reducing your sugar intake can have anti-inflammatory benefits, which can help manage arthritis symptoms. Sugar alternatives, when used in moderation, can be a part of a healthier diet that may contribute to overall arthritis management.
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Frequently asked questions
Research has shown that sugar consumption increases inflammation in humans, which can worsen arthritis symptoms. Therefore, reducing sugar intake may help alleviate arthritis pain. However, eliminating sugar from your diet completely is not necessary, and it is more important to focus on a balanced, nutritious diet.
Consuming excessive amounts of sugar causes the body to produce more cytokines, which are inflammatory proteins. Cytokine levels are already high in people with arthritis, so increasing inflammation can make their symptoms worse.
It is important to read labels and ingredient lists carefully, as sugar can be hidden in many processed foods and drinks. Some foods and drinks to avoid include sugar-sweetened soda, ketchup, barbecue sauce, breakfast cereals, yogurt, and granola bars. Instead, opt for fruit-based desserts and unsweetened tea or coffee.











































