Gout is widely, yet mistakenly, considered by many patients to be solely a disease “caused by eating.” Consequently, many resort to “dieting” or fasting in an attempt to lower their uric acid levels. This mindset is incorrect. Starvation not only fails to reduce blood uric acid, but it can also cause it to fluctuate drastically, potentially even triggering an acute gout attack.
The Connection Between Gout and “Dieting”
Multiple clinical studies have reached a consistent conclusion: fasting or very-low-calorie diets lead to elevated blood uric acid levels. A classic study cited in a 2019 systematic review published in the journal Nutrients detailed the effects of fasting on blood uric acid. Nine hospitalized gout patients were observed. After stopping their uric-acid-lowering therapy, their baseline blood uric acid levels ranged from 7.2 to 13.9 mg/dL. Following two weeks of a low-purine diet, their uric acid dropped by an average of 1.4 mg/dL.
However, just one day after the patients began fasting, everyone’s blood uric acid levels rose, increasing by an average of 1.1 mg/dL. After two days of fasting, the average increase reached 2.0 mg/dL. Within 24 hours of resuming eating, their uric acid levels quickly fell back close to baseline. Conversely, low-calorie, low-purine, and Mediterranean diets can cause a slight decrease in blood uric acid, with changes ranging from an increase of 0.3 mg/dL to a decrease of 2.9 mg/dL.
Why Starvation Raises Uric Acid: The “Competitive Inhibition” of Ketones
The core mechanism by which starvation elevates blood uric acid lies in the competition for renal excretion between uric acid and the ketones produced by fat breakdown.
When the body enters a fasting state and energy intake is interrupted, it turns to breaking down stored fat for energy. This process produces large amounts of ketones, including acetoacetate and β-hydroxybutyrate. Normally, uric acid is reabsorbed back into the blood through the urate transporter 1 (URAT1) in the proximal convoluted tubules of the kidneys, while certain organic acids (including ketones) are also excreted through the exact same transport system.
When starvation leads to massive ketone production, these ketones compete with uric acid for this common excretion pathway. This results in the increased reabsorption and decreased excretion of uric acid.
Beyond obstructed excretion, changes in cellular energy metabolism during starvation may also increase endogenous uric acid production. When cellular energy is insufficient, the breakdown of adenine nucleotides accelerates—and the final metabolic product of this breakdown is precisely uric acid.
Furthermore, the impact of starvation on gout goes beyond just elevated uric acid levels. A study by the European Crystal Network explored the effects of intermittent fasting on the inflammatory response induced by urate crystals. The study found that starvation has a dual effect on gout: on the one hand, it increases crystal formation by raising uric acid; on the other hand, it may affect the threshold for triggering inflammation by modulating the immune response. This complexity implies that the relationship between starvation and gout attacks is not a simple linear one, but involves multiple interactions between metabolism and immunity.
Scientific Weight Loss is the Right Path
Starvation is not the correct way to manage gout. Instead, a scientific, gentle, and sustainable weight-loss strategy is the right choice.
- Avoid Extreme Fasting and Pursue Gentle Weight Loss: Complete fasting or very-low-calorie diets (under 800 kcal per day) lead to massive ketone production, which not only raises uric acid but can also induce acute gout attacks. An ideal goal is losing 0.5 to 1 kilogram per week, achieved through a moderate reduction in total caloric intake.
- Choose Low-Purine Foods, Exercise Regularly, and Hydrate: While controlling total calories, prioritize vegetables, fruits, and low-fat dairy products, and limit high-purine foods like animal organ meats, thick meat broths, and certain seafood. Aim for at least 150 minutes of moderate-intensity aerobic exercise (such as brisk walking or swimming) per week, avoiding vigorous exercise that can cause lactic acid buildup and transient spikes in uric acid. Drink over 2000 ml of water daily to help dilute urine and promote uric acid excretion, making sure to replenish fluids promptly after sweating from exercise.
The Role of Dietary Supplements in Uric Acid Management
On top of a healthy lifestyle, certain dietary supplements can serve as an adjunctive measure, providing more comprehensive support for uric acid management.
BISPIT Anserine is a dietary supplement developed precisely around the triple mechanism of “inhibiting production, promoting excretion, and gentle conditioning.” Its core ingredient is a high-purity extract derived from the red muscle tissue of deep-sea tuna. The product contains up to 83.3% deep-sea fish extract and is rich in anserine, branched-chain amino acids (BCAAs), citrulline, and whey protein peptides.
This complex formula works synergistically through multiple pathways:
- Anserine: Inhibits the activity of xanthine oxidase, reducing endogenous uric acid production at the source with an inhibition rate of 38.6%.
- BCAAs: Participate in regulating purine metabolism, further consolidating the “production-inhibition” defense line.
- Citrulline: Promotes vasodilation and increases renal blood flow, upregulating the expression of urate transporters to accelerate the excretion of uric acid complexes.
- Whey Protein Peptides: Optimize the intestinal absorption environment, boosting the bioavailability of the core ingredients to 82%.
These four ingredients form a complete synergistic chain of “Inhibiting Production → Promoting Excretion → Enhancing Absorption,” offering a more comprehensive solution than single-ingredient supplements. Simultaneously, this synergy can lower the levels of the inflammatory factor IL-6 in kidney tissue, alleviating joint discomfort caused by urate crystallization. The natural, food-sourced formula is gentle and burden-free, avoiding the stress on the liver and kidneys often caused by high doses of single ingredients. It is an ideal adjunctive choice for daily uric acid metabolic maintenance for people with hyperuricemia, patients in gout remission, those with frequent high-purine diets, middle-aged and elderly individuals, and those with a family history of gout.
Conclusion
Reject crash diets. For gout patients, combining scientific, gentle, and sustainable dietary adjustments with regular exercise and a healthy lifestyle is the truly scientific approach to conditioning and care.