How to Prevent Gout: Diet, Hydration & Lifestyle

Preventing gout comes down to keeping uric acid levels low enough that crystals never form in your joints. Uric acid becomes a problem when it exceeds about 6.8 mg/dL in the blood, the point at which it starts crystallizing. Everything below, from diet to hydration to weight management, works toward that single goal: keeping uric acid below that threshold.

Why Uric Acid Builds Up

Your body produces uric acid whenever it breaks down purines, compounds found naturally in your cells and in many foods. Normally, uric acid dissolves in your blood, passes through your kidneys, and leaves in your urine. Gout develops when either your body produces too much uric acid or your kidneys don’t flush enough of it out. The excess accumulates, and once blood levels stay elevated long enough, sharp urate crystals deposit in joints, triggering the intense pain and swelling of a gout attack.

Foods That Raise Your Risk

Organ meats are the biggest dietary offenders. Liver, kidney, and sweetbreads contain very high concentrations of purines and directly raise blood uric acid levels. Certain seafood, including anchovies, sardines, shellfish, and cod, also ranks high on the purine scale. Red meat and game meats fall in the moderate-to-high range.

One counterintuitive finding: vegetables that are technically high in purines, like asparagus, spinach, and green peas, don’t actually raise gout risk. Studies have consistently shown that plant-based purines behave differently in the body than animal-based ones, so you don’t need to avoid these vegetables.

Fructose Is a Hidden Trigger

Fructose is the only carbohydrate that generates uric acid during metabolism. When your liver processes fructose, it rapidly depletes its energy stores (ATP), and the byproducts of that energy breakdown get converted into uric acid. Unlike glucose, which your body regulates carefully, fructose metabolism is essentially uncontrolled, meaning a large dose hits your liver all at once and produces a spike in uric acid.

The biggest source isn’t fruit. It’s sugary drinks. Sodas, sweetened iced teas, energy drinks, and fruit juices made with high-fructose corn syrup (which is 42 to 55% fructose) deliver large, concentrated doses. Honey is also naturally high in fructose. Whole fruit contains fructose too, but the fiber slows absorption enough that it’s far less problematic. Cutting sugary beverages is one of the highest-impact changes you can make.

How Alcohol Affects Gout

All alcohol raises uric acid to some degree because the body prioritizes metabolizing ethanol over excreting uric acid. But beer carries a double risk: it contains ethanol plus high levels of guanosine, a purine that your body absorbs readily. This makes beer considerably worse for gout than wine or spirits.

The American College of Rheumatology specifically recommends limiting alcohol as part of long-term gout management. If you’re at risk, beer is the first thing to reduce or eliminate. Moderate wine consumption appears to carry less risk, though it’s not risk-free.

Stay Well Hydrated

Water helps your kidneys flush uric acid more efficiently. A large cross-sectional study using U.S. national health data found a clear inverse relationship between water intake and uric acid levels: the more plain water people drank (up to a point), the lower their uric acid. The benefit was strongest up to roughly 7.6 mL per kilogram of body weight per day in plain water. For a 180-pound person (about 82 kg), that works out to around 620 mL, or about 2.5 cups, as a minimum threshold, though most hydration guidelines suggest substantially more for overall health.

When your body is under-hydrated, the remaining fluid becomes more concentrated, making crystal formation more likely. Uric acid also crystallizes more readily in acidic urine (below pH 5.5), so staying hydrated helps keep urine dilute and less acidic.

Foods and Supplements That Help

Cherries have the strongest evidence of any single food for gout prevention. A study of gout patients found that eating cherries over a two-day period was associated with a 35% lower risk of a gout attack compared to not eating them. Cherry extract showed an even stronger effect, with a 45% reduction. Fresh cherries, frozen cherries, and tart cherry juice or extract all appear to be beneficial.

Vitamin C has a dose-dependent protective effect. A prospective study following nearly 47,000 men over 20 years found that those taking 500 to 999 mg of vitamin C daily had a 17% lower risk of developing gout. At 1,000 to 1,499 mg per day, the risk dropped by 34%. At 1,500 mg or more, the risk was 45% lower. Vitamin C appears to help the kidneys excrete uric acid more effectively.

Low-fat dairy products also appear protective. The proteins in milk (casein and lactalbumin) may promote uric acid excretion. Incorporating low-fat milk, yogurt, or cheese into your regular diet is a simple, low-risk strategy.

Coffee, both regular and decaffeinated, has been associated with lower uric acid levels in several population studies, though the mechanism isn’t fully understood.

Lose Weight Gradually

Excess weight is one of the strongest risk factors for gout. Carrying more body fat increases uric acid production and reduces how efficiently your kidneys clear it. Losing weight reliably lowers uric acid levels over time.

The catch is that rapid weight loss can temporarily make things worse. When your body breaks down tissue quickly, whether through crash dieting, fasting, or even newer weight-loss medications, it releases a flood of purines from dying cells. The resulting spike in uric acid can actually trigger a gout flare during the early weeks of aggressive weight loss. Ketosis from very low-carb diets also impairs the kidneys’ ability to excrete uric acid. The safer approach is steady, moderate weight loss rather than dramatic calorie restriction.

Medications That Can Raise Uric Acid

Certain common medications interfere with uric acid excretion and can tip you into gout territory. Diuretics (water pills), frequently prescribed for high blood pressure and heart failure, are the most well-known culprits. They work by increasing urination, which concentrates the remaining body fluid and makes crystal formation more likely. Some types of diuretics also directly impair the kidneys’ ability to clear urate.

Low-dose aspirin (the kind taken daily for heart protection) can also reduce uric acid excretion. If you’re taking either of these and have gout risk factors, it’s worth discussing alternatives or monitoring your uric acid levels. Don’t stop any prescribed medication on your own, but knowing this connection exists gives you a useful conversation to have with your doctor.

Putting It All Together

The American College of Rheumatology’s guidelines for chronic gout management recommend three core lifestyle changes: limit alcohol, reduce high-fructose corn syrup and purine-rich foods, and lose weight if you’re overweight or obese. These aren’t minor suggestions. They form the foundation of prevention, whether or not medication is also involved.

In practical terms, a gout-prevention lifestyle looks like this: drink water consistently throughout the day, swap sugary drinks for water or coffee, eat low-fat dairy regularly, keep cherries or cherry extract on hand, build meals around vegetables and whole grains rather than red meat and shellfish, limit beer specifically, and pursue any needed weight loss at a gradual pace. None of these changes are extreme individually, but stacked together they meaningfully shift the balance of uric acid production and excretion in your favor.