Bay Leaf Tea Benefits: What the Evidence Says

Bay leaf tea can help with hydration and offer unsweetened flavor, while its potential plant compounds have unproven health effects. The practical benefits of bay leaf tea come mainly from drinking water and choosing what, if anything, to add to it.

3 potential benefits of bay leaf tea

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1. Hydration

Bay leaf tea supplies water, which the body needs for normal functions. Drink it as part of your usual fluid intake if you enjoy the flavor. The benefit of water for hydration is well established; it is not unique to bay leaf tea.

2. Unsweetened flavor

Bay leaf adds flavor without requiring added sugar. Serve bay leaf tea unsweetened in place of a sweetened drink if that makes it easier to reduce added sugar. The benefit depends on the substitution, not on a special effect of bay leaf.

3. Potential plant compounds

Some compounds from bay leaf may transfer into water during steeping. Enjoy bay leaf tea as a beverage rather than using it to obtain a measured amount of those compounds. Evidence for a health benefit from compounds in bay leaf tea is unproven; the study we found tested an extract in rats, not tea in people.

Can bay leaf tea help you stay hydrated?

Yes. Bay leaf tea is mostly water, so it can contribute to the fluid you drink during the day. Water supports normal body functions, helps regulate body temperature and replaces fluid lost through everyday activities.

The bay leaf itself does not need to have a proven medical effect for the drink to help with hydration. If its flavor makes water more appealing, bay leaf tea can be a practical addition to your routine. It does not have to replace plain water, and there is no established need to drink it at a particular time of day.

The strength of this benefit is straightforward: hydration is a well-established function of water, but the evidence reviewed here does not show that bay leaf tea hydrates people better than plain water. Choose the beverage you are comfortable drinking and pay attention to how you prepare it. Adding sugar changes what you consume, even though the drink still provides fluid.

If a clinician has told you to limit fluids because of a medical condition, follow that individualized advice rather than adding extra drinks. Bay leaf tea counts toward fluid intake; it is not exempt because it contains an herb.

Can bay leaf tea replace a sweetened drink?

Unsweetened bay leaf tea can be an alternative when you want a flavored drink without added sugar. The flavor comes from steeping bay leaf in water, so sweetener is optional rather than necessary.

The possible benefit comes from what you replace. If you choose unsweetened bay leaf tea instead of a drink containing added sugar, you avoid the added sugar in that particular drink. If you add sugar or another sweetener to bay leaf tea, check what you are adding rather than assuming the finished drink is sugar-free.

This is a practical food choice, not evidence that bay leaf changes how the body handles sugar. Research has not established an effect of bay leaf tea on blood sugar in people. Taste the tea before adding anything; a mild flavor may be enough, particularly when it is served chilled.

If you have diabetes or another condition that requires monitoring your diet, use your usual care plan when deciding how bay leaf tea fits. Do not change medication or monitoring based on claims about the drink.

Does bay leaf tea provide useful plant compounds?

Bay leaf contains plant compounds, and steeping may transfer some into water. That does not establish how much is present in a particular cup or whether the amount has a meaningful effect on human health. The leaf, the preparation and the extract used in research are not interchangeable.

In a 2022 animal study of aqueous bay leaf extract, researchers examined the extract in rats exposed to aluminum chloride and reported changes in measures of toxicity. This was a small animal study, not a clinical trial of bay leaf tea. It cannot show that drinking bay leaf tea produces the same effects in people.

We found no human study measuring health outcomes from bay leaf tea. It also does not establish a beneficial serving size or concentration for a homemade infusion. Claims that a cup supplies a specific therapeutic amount of plant compounds would therefore go beyond the evidence.

Use bay leaf tea for its flavor and fluid, not as a way to take a standardized extract. Even when a plant compound has an effect in an experiment, researchers still need to determine whether people absorb a relevant amount from a drink and whether it improves a health outcome.

What does bay leaf tea not do?

Bay leaf tea does not flush toxins from the body or cleanse the blood. The 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 function, but bay leaf tea has not been shown to perform those organs’ work or make detoxification happen faster.

There is also no basis in the research we found for treating bay leaf tea as a medicine. The rat study used an extract under experimental conditions and does not demonstrate that the tea prevents, treats or cures a condition in people. A pleasant cup is not a substitute for diagnosis, prescribed treatment or follow-up care.

Similarly, the tea does not have a proven fat-burning effect. Choosing it without added sugar instead of a sweetened drink is a different claim: that choice changes what you drink, but it does not make bay leaf a weight-loss treatment.

Be cautious with products that promise a cleanse or specify a medicinal dose of bay leaf tea. The evidence reviewed here does not establish an effective dose for those claims. More concentrated preparations should not be assumed to have the same properties as a lightly steeped drink.

How should you drink bay leaf tea?

For a simple chilled infusion, use a culinary bay leaf product labeled Laurus nobilis. Do not collect unidentified leaves: other plants called laurel can be unsafe to consume. This recipe is for flavor and hydration, not a therapeutic dose.

Ingredients

• 1 liter (about 4¼ cups) drinking water
• 1 teaspoon (5 mL) crumbled, dried culinary bay leaf

Method

1. Add the water and bay leaf to a clean, covered container.
2. Refrigerate for 2–4 hours to infuse.
3. Strain through a fine strainer or filter, removing all leaf pieces before serving.
4. Serve chilled, without added sugar if you want an unsweetened drink.

Bay leaves and their pieces can remain stiff, so do not swallow them. Straining is especially important with crumbled leaves. Start with the recipe as written rather than assuming that a stronger infusion will provide more benefit.

Keep the tea refrigerated and drink it within 24 hours for the best flavor. Discard it after 2–3 days, or sooner if it becomes cloudy, slimy or sour-smelling. Do not leave it at room temperature for more than a few hours.

Who should be careful with bay leaf tea?

Avoid bay leaf tea if you have had an allergic reaction to bay leaf. Seek urgent medical help for difficulty breathing after consuming it. For a persistent or concerning reaction, contact a healthcare professional.

If you are pregnant or breastfeeding, ask your healthcare professional about regular use beyond ordinary culinary amounts; evidence on medicinal use is limited. Check with a pediatrician before giving it to a child, and take particular care to remove all leaf pieces. Anyone managing a medical condition or taking medication should ask a clinician about using bay leaf preparations for health purposes rather than relying on the tea as treatment.

Sources

The research evidence reviewed for this page consists of the 2022 rat study of aqueous bay leaf extract. It is preliminary animal evidence and does not establish a clinical benefit of bay leaf tea in humans.