7 Ways Your Body Benefits from Lemon Water

Medically reviewed by Natalie Butler, RD, LD on February 19, 2015Written by Annette McDermott

benefits of lemon water

Lemon water is all the rage these days.

Many restaurants serve it routinely, and some people start their day with lemon water instead of coffee or tea. There’s no doubt lemons are delicious, but does adding them to water make you healthier?

Health Benefits of Lemon Water

Much of the evidence supporting lemon water’s health benefits is anecdotal.

Little scientific research has been done specifically on lemon water’s impact on health as a whole, but some research exists on the benefits of lemon and water separately.

1. It promotes hydration.

According to the Food and Nutrition Board, the dietary reference intake for water is 91 to 125 ounces. This includes water from food and drinks.

Water is the best beverage for hydration, but some people don’t like the taste of it on its own. Adding lemon enhances water’s flavor, which may help you drink more.

2. It’s a good source of vitamin C.

Citrus fruits like lemons are high in vitamin C, which is a primary antioxidant that helps protect cells from damaging free radicals.

Vitamin C may reduce your risk of cardiovascular disease and stroke, and lower blood pressure. Research published in Stroke showed that people with low vitamin C levels, especially obese men with high blood pressure, have a higher risk of stroke. Vitamin C may also help prevent or limit the duration of the common cold in some people, although studies are conflicting.

While lemons don’t top the list of citrus fruits high in vitamin C, they’re still a good source. According to the United States Department of Agriculture, 1/4 cup raw lemon juice provides about 23.6 grams of vitamin C. That’s over 30 percent of the recommended daily allowance (RDA).

3. It improves your skin quality.

Vitamin C found in lemons may help reduce skin wrinkling. A study published in the American Society for Clinical Nutrition concluded that people who consumed more vitamin C have less risk of wrinkled and dry skin.

How water improves skin is controversial, but one thing is certain. If your skin loses moisture, it becomes dry and wrinkle-prone. Whether it’s better to apply moisturizer to the skin or drink more water isn’t clear, but UW Health recommends drinking at least eight glasses of water daily to stay hydrated and rid the skin of toxins.

4. It supports weight loss.

A study published in the Journal of Clinical Biochemistry and Nutrition showed that polyphenol antioxidants found in lemons significantly reduced weight gain caused by a high-fat diet in mice. In addition, insulin resistance was improved.

While the same results need to be proven in humans, anecdotal evidence is strong that lemon water supports weight loss. Whether this is due to an increase in water intake and fullness or the lemons remains to be seen.

5. It aids digestion.

Some people drink lemon water as a daily morning laxative to help prevent constipation. Drinking warm or hot lemon water when you wake up may help get your digestive system moving.

Ayurvedic medicine believes the sour lemon taste helps stimulate your “agni.” In Ayurveda, a strong agni jump-starts the digestive system, allowing you to digest food easily and helping prevent the buildup of toxins.

6. It freshens breath.

Have you ever rubbed a lemon on your hands to remove a powerful stench? It’s thought to neutralize odors. The same folk remedy may apply to bad breath caused by eating foods with strong smells like garlic, onions, or fish.

Keep your breath sweeter by drinking a glass of lemon water after meals and first thing in the morning. Lemon is thought to stimulate saliva, and water helps prevent a dry mouth, which leads to bad breath caused by excess bacteria growth.

7. It helps prevent kidney stones.

The citric acid in lemons may help prevent calcium kidney stones. UW Health recommends increasing citric acid intake to decrease your risk of getting new calcium stones. Drinking lemon water not only helps you get more citric acid, but also the water you need to prevent stones.

Having 1/2 cup of lemon juice provides the same amount of citric acid you’d find in prescription varieties.

How to Make Lemon Water

In order to reap any health benefits of lemon water, you need drink it consistently, and you need more than just a single wedge of lemon in your mug.

When making lemon water, always use fresh lemons and not artificial lemon from a bottle. To make lemon water, squeeze half a lemon into 8 ounces of boiling, warm, or cold water. To make the drink as healthy as possible, use filtered water and organic lemons.

Infuse flavor to lemon water by adding:

You can also add slices of other fresh citrus fruits such as limes and oranges, or cucumber slices.

Having lemon ice cubes on hand is a great way to add lemon to your water fast. Simply squeeze fresh lemon juice into ice cube trays and freeze. Drop a few cubes into a glass of cold or hot water as needed.

Start your morning with a mug of warm lemon water, and keep a pitcher of water infused with a few sliced, whole lemons in your refrigerator to drink throughout the day.

Side Effects of Lemon Water

Lemon water is generally safe to drink, but there are a few potential side effects to be aware of. Lemon contains citric acid, which may erode tooth enamel (an ironic twist for people using lemon to help bad breath). To limit the risk, drink lemon water through a straw, and rinse your mouth afterwards.

When it comes to heartburn, lemon water can go either way. The acidic citric acid may stimulate heartburn in some people. Others may experience relief from heartburn since lemons become alkaline in the digestive tract. If lemons aggravate your heartburn, avoid drinking lemon water.

Some people report more frequent trips to the bathroom when drinking lemon water. Although lemon juice is often referred to as a diuretic, a substance that increases urine production, evidence doesn’t show that vitamin C from natural sources like lemons has diuretic effects.

If you experience the need for extra bathroom breaks while drinking lemon water, it’s more than likely caused by increased water intake.

The Takeaway

Research shows lemon water has potential health benefits. But, in some cases, more studies are needed. Adding lemon to your water may help you drink more throughout the day to help you stay hydrated, which is critical to good health.

If you drink it hot, lemon water is a comforting alternative to other hot beverages. If you drink it cold, it’s refreshing and energizing.

No matter how you enjoy it, lemon water may give you a wellness boost.

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