What Happens to Your Body When You Drink Warm Water With Lemon and Honey

You have probably heard someone swear by a cup of warm lemon and honey water first thing in the morning. As it turns out, there is some truth behind the habit, though it comes with a few things worth knowing before you make it part of your routine.

Your Throat Gets Some Relief

If your throat has been feeling scratchy or you are dealing with congestion, warm water is already doing you a favour by loosening mucus and making it easier to clear your airways.

Honey does something extra. It acts as a natural demulcent, meaning it coats the lining of your throat and creates a thin protective layer that eases irritation from dry air, a lot of talking, or a mild infection.

Research backs this up. A systematic review found that honey reduces cough frequency and severity better than no treatment at all. In some cases, it even outperformed the antihistamine diphenhydramine at calming a child’s cough.

Your Digestion Gets Moving

A warm drink in the morning is one of the gentler ways to get your digestive system going. Warm liquids stimulate what is known as the gastrocolic reflex, a natural response that signals the colon to contract and get things moving.

Staying well hydrated also keeps stools soft and easier to pass, which matters a great deal if you are prone to constipation. Good hydration also helps maintain the mucus lining inside your intestines, which in turn supports a healthy gut microbiome.

You Get Hydration with a Small Bonus

Adding lemon and honey to water makes it more enjoyable to drink, which means you are likely to take in more fluids through the day than you would otherwise. Lemon juice brings vitamin C to the glass, and honey carries trace polyphenols that help protect your cells from oxidative stress.

One thing to keep in mind: vitamin C breaks down at temperatures above 60 degrees Celsius. Let your water cool to lukewarm before squeezing in the lemon if you want to keep most of that vitamin C intact.

You Are Still Consuming Sugar

Honey is natural, but it is still a concentrated sugar. Your body processes the glucose and fructose in honey in much the same way it handles ordinary table sugar, and the 2025 to 2030 Dietary Guidelines for Americans classify honey as an added sugar.

If you have diabetes, factor the carbohydrates in honey into your daily intake and speak with your doctor about how much is appropriate for you. That said, if this drink is replacing a heavily sweetened soda or juice, your overall daily sugar intake is likely to come down.

Your Teeth Need Some Looking After

Lemon juice contains citric acid, which can soften tooth enamel over time. Sipping slowly for long stretches is the riskier habit because it keeps your mouth in an acidic state and prevents the enamel from recovering.

A few simple steps help. Drink the whole cup in one sitting rather than nursing it over an hour. Rinse your mouth with plain water straight after to bring the pH back to normal. Then wait at least 30 minutes before brushing, giving the enamel time to re-harden before you scrub it.

Who Should Be Careful

Warm lemon and honey water is safe for most adults. However, never give honey to a child under one year old. Honey can carry spores of Clostridium botulinum, which cause infant botulism, a serious and potentially life-threatening illness.

Also make sure the water is warm and not boiling. Scalding water can burn the throat and destroys most of the vitamin C before you even add the lemon.