The top 5 health benefits of lemon water: What science says
Drinking lemon-infused water is often associated with a variety of health benefits, from improved digestion and clearer skin to natural detoxification. But how much of this is backed by science? Nutrition expert Jo Lewin explains the facts behind the claims.
What is lemon water?
Lemon water is simply water mixed with fresh lemon juice. It can be consumed warm or cold and is often enhanced with ingredients like honey, lemon zest, fresh ginger, or green chili slices. Citrus fruits like lemons, limes, oranges, and mandarins are known for their tart flavor and vibrant rinds, offering both taste and potential health perks.
Nutritional value of lemon water
A 150ml glass of lemon water typically contains:
- 4 kcal / 16 kJ
- 0.1 g protein
- 0.8 g carbohydrates
- 65 mg potassium
- 18 mg vitamin C
Five key health benefits of lemon water
While comprehensive scientific studies directly linking lemon water to many of its popular health claims are limited especially in humans research on the individual components of lemon and water offers valuable insights.
1. A Natural source of hydration
Water is essential for human survival comprising about 75% of an infant’s body weight and approximately 55% of an adult. Proper hydration is vital for maintaining physical and mental performance.
If you struggle to drink enough plain water, adding lemon may improve its flavor, making it easier to consume throughout the day. Dehydration, even at mild levels, can lead to symptoms such as headaches, fatigue, and muscle weakness. According to the UK’s National Health Service (NHS), it’s recommended to drink at least six glasses of fluids daily preferably water.
2. A rich source of Vitamin C
Historically, lemons were prized for preventing scurvy, a disease caused by severe vitamin C deficiency. While modern diets typically provide enough vitamin C, lemons remain a potent natural source of this essential nutrient.
Although research is inconclusive about vitamin C’s ability to prevent the common cold, some studies suggest it may help reduce the duration and severity of symptoms in certain individuals.
3. Potential benefits for skin health
Vitamin C and citrus-derived flavonoids have been linked to improved skin health. Vitamin C plays a key role in the production of collagen, a protein that contributes to the firmness and elasticity of the skin.
A 2016 animal study even indicated that drinks made from citrus fruits may help protect the skin from premature aging by combating oxidative stress in mice. Though more human studies are needed, the findings are promising.
4. May aid digestion
Many people report that drinking warm lemon water first thing in the morning helps stimulate digestion. Although personal experiences vary, some animal studies support this claim.
A 2019 study revealed that citrus polyphenols may help reduce age-related changes in gut microbiota, promoting the growth of beneficial bacteria and enhancing overall digestive health.
5. May help prevent kidney stones
Lemon juice contains citric acid, which may help prevent kidney stones by reducing calcium oxalate buildup the primary cause of these painful deposits.
Additionally, staying well-hydrated with lemon water can help flush out the kidneys and dilute substances that form stones, making it a potentially protective habit.
Is Lemon water safe for everyone?
For most people, lemon water is perfectly safe and can be enjoyed daily. However, individuals with dental issues or acid reflux may need to moderate their intake, as the acidity can erode enamel or trigger heartburn. Interestingly, some people with gastrointestinal sensitivity report improved symptoms when drinking lemon water, highlighting how responses may vary.
How to make lemon water
Making lemon water is simple. Slice a lemon—zest and all—and add it to warm, room temperature, or cold water. You can customize your drink with extras like orange slices, honey, or fresh herbs.
To maximize juice yield, roll the lemon firmly under your palm on a countertop before cutting. If using the zest, opt for unwaxed lemons and gently grate the outer peel before adding it to the water.
While lemon water is not a miracle cure, it is a refreshing and health-supporting drink that can complement a balanced lifestyle. Its benefits hydration, a vitamin C boost, support for skin and digestion, and possible protection against kidney stones make it a worthy addition to your daily routine.
