Expert Insight by Ms. Veena V, Chief Clinical Dietician & HOD, Department of Clinical Nutrition and Dietetics, Aster Whitefield Hospital, Bengaluru
Bengaluru, October 2025: The trend of starting the day with warm lemon water has taken social media by storm, with countless influencers and celebrities touting it as the ultimate morning ritual for detoxification, glowing skin, and weight loss. However, nutrition experts say that while this simple routine can offer some mild benefits, it is far from the miracle solution it is often made out to be.
Speaking to The Health Desk, Ms. Veena V, Chief Clinical Dietician and Head of the Department of Clinical Nutrition and Dietetics at Aster Whitefield Hospital, explains the real science behind this popular wellness practice — and what to watch out for if you decide to try it.
Why the Practice Became Popular
“After several hours of sleep, the body is slightly dehydrated. Consuming warm fluids in the morning helps rehydrate the system and stimulate digestion,” says Ms. Veena.
“Adding lemon to the water gives a gentle dose of vitamin C, which supports immunity and skin health. The citric acid also helps stimulate digestive secretions and gut motility, which can make some people feel lighter and more active at the start of the day.”
Benefits Observed by Many
According to Ms. Veena, those who consistently drink warm lemon water for around 15 days may notice subtle benefits — primarily due to hydration. “Improved hydration itself can support better digestion, enhanced energy, and a clearer complexion. The mild acidity of lemon can also aid in the production of digestive enzymes,” she notes.
Regular morning hydration can help reduce cravings for sugary beverages, leading to healthier dietary patterns. The vitamin C in lemon also contributes to collagen synthesis, which promotes skin repair and radiance.
“An often-overlooked benefit,” adds Ms. Veena, “is kidney health. The citric acid in lemon increases urinary citrate levels, which may help lower the risk of kidney stone formation when coupled with adequate hydration.”
The Hidden Downsides
While lemon water is generally safe, Ms. Veena cautions that it is not entirely risk-free. “The acidity of lemon can gradually erode tooth enamel if consumed in excess or undiluted,” she explains. “Individuals with acid reflux, gastritis, or ulcers should be particularly cautious, as the acidity can aggravate symptoms.”
She also advises against taking medications immediately after drinking lemon water, as it may interfere with absorption. “Moderation and correct preparation are key to avoiding unwanted side effects,” she emphasizes.
What Science Actually Shows
Scientific evidence supporting lemon water’s dramatic health claims is limited. “Many of the touted benefits are actually related to hydration rather than the lemon itself,” says Ms. Veena.
While animal studies have suggested that lemon polyphenols may aid metabolism, these findings are not yet confirmed in humans. “And the popular claim that lemon water detoxifies the body is a misconception,” she adds. “Our liver and kidneys are fully capable of detoxification without any external assistance.”
Expert Tips for Safe Consumption
Ms. Veena recommends a few simple precautions for those who wish to continue the habit safely:
Use the juice of half a lemon in a glass of warm water.
Drink through a straw to minimize contact with teeth.
Rinse the mouth with plain water afterward.
Wait 20–30 minutes before brushing teeth.
Avoid if you have acid reflux or stomach ulcers.
The Verdict
“Drinking warm lemon water on an empty stomach for 15 days will not transform your health overnight,” says Ms. Veena. “However, it can be a refreshing, hydrating start to your day, providing mild digestive and skin-related benefits when done properly.”
She concludes, “It is important to remember that no single habit can replace balanced nutrition, regular exercise, and adequate rest. Wellness should always be holistic — not driven by trends.”
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