Several juices can help ease a hangover, though they work in different ways. Fruit juices rich in natural sugar (fructose) may speed up how fast your body clears alcohol, while options like tomato juice and watermelon juice replenish nutrients lost during a night of drinking. The best choice depends on which symptoms are bothering you most.
Why Juice Helps in the First Place
Hangovers are driven by a combination of dehydration, inflammation, low blood sugar, and the toxic byproducts your liver produces while breaking down alcohol. Juice addresses several of these at once: it delivers water, replaces lost vitamins and minerals, and provides sugar your body can use for energy. But some juices go further than others.
Fructose, the natural sugar in most fruit juice, appears to accelerate alcohol metabolism. One study found that oral fructose intake increased the rate at which the body cleared ethanol from the blood by roughly 67 to 92 percent, depending on the person. It also shortened the total time participants felt intoxicated by about 40 percent. That doesn’t mean juice is a cure, but drinking fructose-rich juice while you’re still processing alcohol can help your liver do its job faster.
Pear Juice: Best Before You Drink
Pear juice is one of the better-studied options for hangover prevention, and timing matters. In a Korean study, participants who drank a mixed juice containing pear, green grape, and vegetable juice both 30 minutes before drinking and again immediately after experienced less severe hangover symptoms than those who drank water instead. The dose was about 240 mL (roughly one cup) each time.
Pears are high in fructose, which likely explains part of the benefit. They also contain compounds that support the enzymes your liver uses to break down alcohol. If you know a night of drinking is coming, a glass of pear juice beforehand is a low-risk strategy worth trying.
Tomato Juice: Nutrient Replacement
Tomato juice is one of the most popular hangover remedies for good reason. It’s packed with potassium, sodium, and vitamin C, all of which get depleted when you drink. It also provides lycopene, a strong antioxidant that helps counter the oxidative stress alcohol creates in your body.
Research on tomato juice and alcohol metabolism has been mixed. One study found that a fortified tomato juice didn’t significantly change blood acetaldehyde levels (the toxic compound your liver produces as it processes alcohol). In people with normal liver enzyme function, acetaldehyde gets converted to harmless acetate quickly regardless. So tomato juice probably won’t speed up the detox process itself, but it does an excellent job restoring the vitamins and electrolytes your body burned through overnight.
Watermelon Juice: Hydration and Blood Flow
Watermelon juice is about 92 percent water, making it one of the most hydrating options you can reach for. It also contains a compound called L-citrulline, which your body converts into an amino acid that relaxes blood vessels and improves circulation. Research has shown that watermelon-derived L-citrulline can reduce arterial stiffness and lower blood pressure, both of which may help with the pounding headache that comes with a hangover.
Watermelon juice also provides potassium, magnesium, and natural sugars. It’s gentle on the stomach compared to more acidic juices like orange or grapefruit, which can aggravate nausea.
Prickly Pear Juice: Targets Inflammation
Prickly pear (the fruit of the Opuntia cactus) is less common but has some of the most interesting evidence behind it. A study published in the Archives of Internal Medicine found that people who took prickly pear extract before drinking had lower levels of C-reactive protein, an inflammation marker produced by the liver, compared to a placebo group. The researchers concluded that prickly pear works by dampening the body’s inflammatory response to alcohol, which is a major driver of hangover symptoms like headache, nausea, and general misery.
Prickly pear juice can be harder to find than other options. Look for it at health food stores or Latin American grocery stores, where it’s sometimes labeled “tuna” juice. Like pear juice, it seems to work best when taken before drinking rather than the morning after.
Pickle Juice: Not a Juice, But Worth Knowing
Pickle juice shows up in almost every hangover remedy list, and while it’s technically a brine rather than a fruit juice, it deserves a mention. The common explanation is that its salt and electrolytes rehydrate you, but the science suggests something more interesting. Research on pickle juice and muscle cramps found that it works through a reflex triggered in the mouth and throat, not by restoring fluids or electrolytes. The acetic acid (vinegar) appears to stimulate nerve receptors that calm overactive muscles.
If your hangover comes with muscle cramps or body aches, a small shot of pickle juice (about 1 to 2 ounces) may provide fast relief. It won’t help much with headache or nausea, though, so consider it a targeted remedy rather than a complete fix.
What to Skip
Highly acidic juices like straight orange juice or grapefruit juice can irritate an already sensitive stomach. If you’re feeling nauseous, these are likely to make things worse. Diluting them with water helps, but you’re better off starting with something gentler like watermelon or pear juice and switching to citrus later once your stomach settles.
Sugary commercial juice drinks and sodas deliver fructose but also contain additives and excessive sugar that can worsen dehydration. Stick to 100 percent juice or fresh-squeezed options when possible.
How Much and When to Drink It
The research that showed benefits used about 240 mL (one cup) of juice both before and after drinking. For the morning after, aim for at least two to three cups spread out over a few hours rather than chugging a large amount at once. Your stomach is already irritated, and flooding it won’t speed recovery.
Pairing juice with plain water is smarter than relying on juice alone. The fructose in juice helps with energy and alcohol clearance, but water handles pure rehydration more efficiently. Alternating between the two gives you the best of both. If you can eat, adding a small amount of food with protein and fat slows sugar absorption and gives your body more raw material to work with.