Barley Water Benefits: What It Does and Doesn't Do

Barley water can support hydration, provide soluble fiber when you eat the cooked barley, and offer an unsweetened alternative to sugary drinks. These benefits depend on how you prepare and drink barley water, rather than on any special detoxifying property.

What are the 3 potential benefits of barley water?

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The clearest benefit is hydration: barley water contains water, which your body needs. Fiber is a benefit of the cooked grain, not one you should assume you’ll get in a meaningful amount from a strained drink. Choosing an unsweetened version instead of a sugary drink can also reduce added sugar in that part of your diet.

Potential benefit	What matters most	Strength of support
Hydration	Drink barley water as a fluid.	Water supports hydration; no barley-water studies were supplied.
Soluble fiber	Eat the cooked barley rather than straining it all out.	Barley contains soluble fiber; the amount in strained barley water is uncertain.
Less added sugar	Choose unsweetened barley water instead of a sugary drink.	The benefit comes from the substitution, not a unique property of barley water.

How does barley water support hydration?

1. Hydration

Barley water supplies fluid, which helps maintain normal body functions. Its flavor may make it easier for some people to drink water regularly, although there is no need to choose barley water over plain water for hydration.

Drink it with a meal or between meals, warm or chilled, according to your preference. The amount you need depends on factors such as your activity, environment and health; your usual drinks and water-containing foods also contribute to fluid intake.

Evidence strength: The role of water in hydration is well established. No studies specifically comparing barley water with plain water were supplied, so there is no basis here to claim it hydrates better.

If you enjoy the taste but do not want a heavy drink, strain out the cooked grains. Remember that a strained preparation is primarily a way to consume fluid; its fiber and nutrient content will not be the same as a serving of cooked barley.

Can barley water provide soluble fiber?

2. Soluble fiber from cooked barley

Barley contains soluble fiber, including beta-glucan. Soluble fiber interacts with water during digestion, and fiber is a useful part of a balanced diet. You can get fiber from barley water by including and eating the cooked grains rather than discarding them.

Some material from the barley may enter the cooking water, but the amount depends on the preparation. Without testing the finished drink, you cannot tell how much beta-glucan remains in a strained glass or assume it contains enough to produce a particular health effect.

For a more substantial preparation, leave some cooked barley in the drink and eat it with a spoon. Follow the package directions to make sure the grain is cooked until tender. If you usually eat little fiber, increase the amount gradually to reduce the chance of bloating or gas.

Evidence strength: Barley’s fiber content is a property of the grain, but no studies were supplied for this page. Claims about a particular effect on cholesterol or blood sugar should not be transferred to strained barley water, especially when its fiber content is unknown.

Can barley water help you choose less sugar?

3. An unsweetened alternative to sugary drinks

Plain barley water can replace a drink that contains added sugar. If the replacement is unsweetened and you do not make up the difference elsewhere, it can reduce the added sugar you consume. This is a benefit of the choice you make, not evidence that barley water has a special effect on metabolism.

Prepare it without sugar, syrup or sweetened concentrate, or check the ingredients if you buy it ready-made. A sweetened barley drink can contain added sugar, so the name alone does not tell you whether it is a lower-sugar choice.

Evidence strength: This is a straightforward dietary substitution, not a proven clinical effect of barley water. No studies of this swap were supplied, and the result depends on what you replace and what you add to the drink.

Barley itself can contribute energy and nutrients, particularly if the cooked grain is left in. The calories in homemade barley water therefore vary with the amount of grain consumed and any additions; do not use the calories in uncooked barley as a calorie count for a strained glass.

What does barley water not do?

Barley water does not detoxify your body or flush out toxins. Your liver and kidneys do most of the body’s detoxification; the lungs and gut also help eliminate waste, while sweat removes only trace amounts. Drinking enough fluid supports normal body functions, but it is not a cleanse.

Barley water also does not burn fat or guarantee weight loss. Replacing a higher-calorie sweetened drink with an unsweetened one may change your overall intake, but the outcome depends on your broader eating pattern and other factors.

Do not rely on barley water to treat high cholesterol, diabetes, kidney problems or another medical condition. The presence of barley or its fiber in a recipe does not establish a treatment dose or prove a benefit for the finished drink. Keep following your clinician’s advice and prescribed treatment.

How should you drink barley water for best results?

Choose a preparation that matches your goal. For hydration and a less sweet drink, make it without added sugar and strain it if you prefer. If you want the fiber in the grain, include some cooked barley and eat it; a clear, strained drink is not an equivalent serving of the whole grain.

A simple homemade method

Ingredients

1/4 cup (about 45 g) pearl barley
4 cups (about 950 mL) drinking water

Steps

Rinse the barley under clean running water.
Combine the barley and water in a saucepan and bring to a boil.
Reduce the heat and simmer until the barley is tender, following the cooking directions on the package.
Strain the liquid if you prefer a lighter drink, or leave some cooked barley in and eat it for fiber.
Cool the barley water promptly in a shallow container, then cover and refrigerate it. Serve warm or chilled.

The finished volume and flavor will vary with simmering and straining. You can add drinking water if you prefer a milder taste, but the amount of fiber in the liquid will still be uncertain. If you sweeten it, account for that addition rather than assuming the drink is unsweetened.

How should you store it?

Keep prepared barley water refrigerated and drink it within 24 hours for best flavor. Discard it after 2 days, or sooner if it becomes slimy or develops a sour smell. Barley water can naturally be cloudy, so cloudiness alone is not a reliable sign that it has spoiled or is safe.

Refrigerate the cooked grain promptly as well, whether it is in the drink or stored separately. Do not leave the preparation at room temperature for more than a few hours, and do not taste it to check whether it is safe.

Who should be careful?

Barley contains gluten. Avoid barley water made from barley if you have celiac disease, a barley allergy or another reason your clinician has advised you to avoid gluten or barley.

Cooked barley’s fiber can cause gas or bloating, particularly if you increase your intake quickly. If you have a condition that requires a fluid restriction, such as certain kidney or heart conditions, ask your clinician how barley water fits into your allowance. Seek medical advice for persistent digestive symptoms or signs of dehydration, such as marked dizziness or very little urination.

Sources

No studies were supplied for this page, so there are no barley-water clinical trials to cite here. The hydration and food-substitution points are based on general principles; the fiber discussion distinguishes the cooked grain from the unmeasured contents of a strained drink. Storage advice follows the provided infused-water handling guidance.