Intermittent Fasting And Its Effects On Digestive Function

Updated May 30, 2025 | 01:00 AM IST

SummaryWe spoke to Dr Subhasish Mazumder, who is the senior Director of gastroenterology at Max Super Speciality Hospital, Vaishali. In our conversation, he spoke in length to us about what must we keep in mind while on fast, especially intermittent fasting.
Intermittent fasting

Credits: Canva

On World Digestive Health Day, which is a reminder that a healthy digestive system is the key to overall health and quality life, we spoke to Dr Subhasish Mazumder, who is the senior Director of gastroenterology at Max Super Speciality Hospital, Vaishali. In our conversation, we talked about the growing trend of intermittent fasting and how people can often get it wrong.

Dr Mazumder, in length talked to us about what must we keep in mind while on fast, especially intermittent fasting.

Before we get into it, let's first understand what exactly is intermittent fasting?

Intermittent fasting (IF) has rapidly gained popularity for its potential benefits on weight management, metabolic health, and even longevity. "However, as more people adopt this approach, it’s not uncommon to hear complaints of digestive discomfort—bloating, acidity, headaches, and more—especially in the early stages," says Dr Mazumder.

Here's edited excerpts from the conversation:

Why Do Bloating, Gas, or Acidity Occur During Fasting?

Though IF offers the digestive system a period of rest, paradoxically, some individuals experience symptoms like bloating, gas, or acidity. This can occur for several reasons. Firstly, an empty stomach may lead to a build-up of stomach acid, especially in those predisposed to acid reflux. Secondly, when the body shifts from a fed to a fasted state, changes in gut motility and bacterial activity can cause gas accumulation.

Another factor is what one eats during the eating window. Consuming high-fibre or overly processed meals too quickly after breaking a fast can overwhelm the digestive tract, leading to bloating.

How to ease symptoms:

Here's what Dr Mazumder suggests:

  • Stay hydrated with water or herbal teas (peppermint and ginger are particularly soothing).
  • Break your fast with a small, easily digestible meal—think fruits or warm bone broth—before transitioning to a larger meal.
  • Avoid overeating or rushing meals during the eating window.
  • Include probiotics through fermented foods like yoghurt or kefir to support healthy gut flora.

Fasting Headaches: What Causes Them and How to Cope?

Headaches are a common side effect in the early days of intermittent fasting. These are often linked more to blood sugar fluctuations and caffeine withdrawal than digestion. As the body adapts to longer periods without food, glucose levels drop, sometimes triggering headaches. Dehydration can further exacerbate the issue.

Tips to prevent fasting headaches:

Here's what the doctor suggests:

  • Ensure you are drinking enough water—sometimes headaches are simply a sign of mild dehydration.
  • Consider adjusting caffeine intake gradually if you're cutting down.
  • Add a pinch of sea salt to water or consume electrolyte-rich fluids to maintain balance, especially in longer fasts.
  • Give your body time to adapt—most people find symptoms ease within the first week or two.

What are the Long-Term Effects of Fasting?

Emerging research indicates that intermittent fasting may have a positive impact on gut health in the long term. Periods of fasting can give the digestive system a break, promoting a process called the "migrating motor complex" (MMC), which sweeps residual food and bacteria through the gut, aiding in regular bowel movements.

Moreover, fasting appears to support microbial diversity, which is essential for a balanced microbiome. This can be particularly beneficial for those with symptoms of irritable bowel syndrome (IBS) or leaky gut, as it may reduce inflammation and support intestinal healing.

That said, outcomes vary among individuals, and the benefits are most notable when combined with a nutrient-dense, fibre-rich diet.

Why do women have a complex relationship with intermittent fasting?

When it comes to women, hormonal fluctuations make the impact of fasting slightly more complex. Some women report irregular cycles, mood swings, or digestive discomfort when adhering to strict fasting schedules. This is often due to the sensitivity of the female hormonal axis to caloric restriction.

Women may benefit from a gentler approach—such as a 12:12 or 14:10 fasting window—and prioritising nourishing, hormone-supportive foods. Listening to one's body is key. If fasting causes fatigue, digestive upset, or menstrual changes, it may be worth adjusting the approach or consulting a healthcare professional.

Protective strategies for women:

  • Avoid extended fasting during high-stress periods or intense exercise regimens.
  • Ensure adequate intake of healthy fats, protein, and micronutrients.
  • Consider fasting only on alternate days or during certain parts of the menstrual cycle.

Are Coffee, Lemon Water, and Herbal Teas Truly Safe During a Fast?

One of the most debated topics in fasting circles is what beverages can be safely consumed without “breaking” the fast or compromising digestive health. From a strict caloric standpoint, black coffee, lemon water, and unsweetened herbal teas typically don’t disrupt fasting. But from a gut health perspective, nuances exist.

Black coffee, though calorie-free, can stimulate acid production and irritate sensitive stomachs, particularly when consumed on an empty stomach. Lemon water is usually gentle and may even aid digestion slightly. Herbal teas—especially those with carminative herbs like fennel, chamomile, or peppermint—can soothe the digestive tract and support fasting.

Doctor's Opinion

  • Choose herbal teas if prone to acidity.
  • Use lemon water in moderation to freshen the palate and stimulate digestion.
  • Limit coffee if it causes heartburn or jitters.

Intermittent fasting holds promise for digestive and overall health, but it’s not a one-size-fits-all solution. Paying attention to how your body responds, supporting your gut with wholesome foods, and adjusting protocols based on your unique needs—especially for women—can help you reap the benefits without the discomfort. Always consider speaking with a healthcare provider before making significant changes to your diet or lifestyle.

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Alia Bhatt Swears By Dal-Chawal, Not Salads: The Desi Vegan Diet That Could Transform Your Health

Updated Sep 9, 2025 | 12:22 PM IST

SummaryAlia Bhatt, one of Bollywood’s most beloved actors had shared what is in her diet a few years ago in an interview, recent studies and more information shows how her simple diet may be the most effective form of whole nutrients while keeping things simple. Read more to find out.

(Credit- Alia Bhatt/Instagram)

From her debut in ‘Student of the Year’, to her latest movie adventures like ‘Jigra’, Alia Bhatt is one of the most versatile actors in Bollywood and is well-liked celebrities in India. In an ‘Aap Ki Adalat’ interview a few years ago Bhatt revealed that one of the major components of her diet is no sugar.

She expressed how she needed a variety of dishes, calling herself full ‘desi’. Another surprising thing she revealed was that she didn’t understand or like salads and prefers ‘Daal Chawal’ which is rice and lentil soup filled with whole grains and vegetables. She also mentioned that her choice of breads was roti made with ragi grains, jawar and other millets.

Is Rice And Lentil Soup A Weight Loss?

Although people expect Bollywood starlets to enjoy rich and nutritious salads, Alia Bhatt’s refreshingly desi home diet bring about the discussion of whether one needs diet food or just needs to understand their nutritional needs better. Dal and rice are a perfect combination of carbohydrates, protein, and essential nutrients. To get the most nutritional benefit from this classic pairing, it's a good idea to make a few simple tweaks.

  • Don't just rely on white rice. Try incorporating whole-grain varieties like brown, red, or black rice into your meals to add more fiber and antioxidants.
  • Add vegetables, herbs, and spices to your dal to make it more nutrient-rich.
  • Mix peas or beans into your rice. They are full of fiber and antioxidants, which can help improve blood sugar, cholesterol, and blood pressure.
  • Pair your meal with a side. Serving your dal-chawal with yogurt adds healthy bacteria for your gut, while a fresh salad provides more vitamins and fiber.
  • Balance your plate. A simple way to eat mindfully is to follow a "MyPlate" approach. Fill half your plate with fruits and vegetables, and divide the other half between a protein (like meat or fish) and a grain (like white rice).

Why You Should Eat Ragi, Jawar And Other Millet Rotis

Instead of regular wheat rotis, try healthy grains like ragi and jowar. These millets are packed with nutrients that can do wonders for your health.

Ragi is an excellent source of calcium and iron, which are essential for strong bones and healthy blood. Its high fiber content also helps with digestion, weight management, and stable blood sugar.

Jowar is loaded with protein, fiber, and antioxidants. It's great for digestion, can help with weight loss, and also lowers cholesterol for a healthier heart.

A 2024 study in Frontiers in Nutrition journal explained that adding more millets to your diet is a smart decision as they contain a great mix of carbohydrates, protein, fat, and fiber. They have more essential amino acids than common cereals, and their protein is easier for the body to digest.

While millets have always been a staple food, recent studies are highlighting their impressive medicinal properties. Eating millets has been scientifically shown to help with:

  • They have a type of starch that digests slowly, which prevents blood sugar spikes.
  • Millets can help you feel full and satisfied, aiding in weight loss.
  • Regular consumption can reduce the risk of heart disease.
  • Millets are naturally gluten-free, making them an ideal food for people with celiac disease.
Some common millets are Sorghum (Jowar), Pearl Millet (Bajra), and Finger Millet (Ragi), as well as many others like Foxtail, Little, and Kodo millet.

Is A Sugar-Free Diet Actually Healthy?

Cutting out added sugar and focusing on whole foods can have a great impact on your health. It can help you manage your weight, lead to clearer skin, and improve your mood. It also helps reduce inflammation and lowers your risk of developing type 2 diabetes.

However, it's important not to confuse added sugars with the natural sugars found in fruits. Fruits provide essential nutrients like fiber and antioxidants. You can still have a very healthy diet by including whole fruits.

Remember, a no-sugar diet isn't a magic fix for weight loss. It's just one part of a healthy lifestyle that should also include exercise and a balanced diet. If you're thinking about making a big change to your diet, it's a good idea to talk to a doctor or dietitian first.

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Ditch The Pink Salt Trick Recipe, Try These 4 Drinks Instead To Support Your Weight Loss Journey

Updated Sep 9, 2025 | 02:00 PM IST

SummaryThe viral “pink salt trick” promising quick weight loss is a myth, experts warn. Pink salt doesn’t melt fat or reset metabolism and may even harm health if overused. Sustainable weight loss needs diet and exercise, though drinks like green tea, protein smoothies, and ginger water can support metabolism. Read on.
Ditch The Pink Salt Trick Recipe, Try These 4 Drinks Instead To Support Your Weight Loss Journey

Credits: Canva

Social media platforms have introduced many of us to hacks and trends that promise quick fixes for health and wellness. Some of them are harmless fun, but others can spread misinformation and lead to unhealthy habits. One such viral trend is the Pink Salt Trick Recipe, a drink made from pink Himalayan salt, lemon juice, and water, which is being promoted as a shortcut to fat loss and a “metabolism reset.”

But can sprinkling some pink salt into water really help you drop weight? Let’s unpack the facts and explore healthier alternatives that actually support your wellness journey.

Can You Lose Weight with the Pink Salt Trick?

The short answer is no. Despite claims circulating on TikTok and YouTube, often boosted by AI-generated celebrity deepfakes, there is no scientific evidence that pink salt speeds up fat burning, “melts fat,” or resets metabolism.

In fact, experts warn against overconsumption of pink salt. Unlike iodized table salt, pink salt contains little to no iodine, which could potentially disrupt thyroid health if used as your primary salt source. Excess sodium can also increase blood pressure and cause bloating, which is the opposite of what most people are hoping for when they try to lose weight.

Missouri State University’s investigation with registered dietitian Natalie Allen confirmed: “Pink salt does not speed up metabolism, detox the body, or cause weight loss.”

Healthy Drink Alternatives That Actually Support Weight Loss

While no single drink can magically make fat disappear, some beverages can boost metabolism slightly, reduce cravings, and support better digestion, all of which help your weight-loss efforts when paired with a healthy lifestyle. Here are four expert-approved options:

Green Tea

Packed with catechins, powerful antioxidants, green tea can slightly boost calorie expenditure and fat oxidation. It’s a popular pre-workout drink because it provides a mild caffeine kick without the jitters of coffee.

Apple Cider Vinegar Drink

A teaspoon of apple cider vinegar in a glass of water before meals may promote a feeling of fullness and stabilize blood sugar levels. Just make sure to dilute it well to avoid damaging your teeth or irritating your stomach.

Protein Smoothies

Blending a scoop of protein powder with unsweetened almond milk, spinach, and berries can keep you full for hours, reduce snacking, and support muscle maintenance, which is key for a healthy metabolism.

Ginger and Lemon Water

Ginger aids digestion and reduces inflammation, while lemon adds vitamin C and a refreshing flavor. Together, they make a hydrating drink that can be sipped throughout the day to curb unnecessary cravings.

Risks and Caution

Even with these healthier drinks, overconsumption can cause issues like bloating, digestive discomfort, or nutrient imbalances if you replace whole meals with beverages. Some ingredients, like caffeine or apple cider vinegar, may also interact with medications or cause irritation if taken excessively.

No Magic Shortcut

Drinks can support your weight-loss journey, but they cannot replace the fundamentals: a balanced diet, regular exercise, adequate sleep, and stress management. Use beverages like green tea or ginger water as helpful tools, not as miracle solutions.

Disclaimer: Weight loss is a gradual process and cannot be achieved by drinking one special beverage. The drinks mentioned here can help with metabolism, digestion, and reducing cravings, but long-term results require consistency with physical activity, balanced nutrition, and overall lifestyle changes.

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Sadhguru Says These 4 Foods Are Like Slow Poison For Your Body

Updated Sep 9, 2025 | 11:02 AM IST

SummarySpiritual highlights everyday “enemies of health” like refined sugar, milk, refined grains, and excessive tea or coffee. He advises mindful consumption, favoring natural sweeteners, whole grains, and plant-based calcium sources, while cautioning against overdependence on stimulants and foods that may silently disrupt digestion, immunity, and overall well-being. Read on to know more.
Sadhguru Says These 4 Foods Are Like Slow Poison For Your Body

Credits: Canva

Good health isn’t just about eating the right foods, it’s also about knowing what to avoid. Spiritual leader, Sadhguru, often emphasizes that certain foods we consume every day can silently harm our bodies over time. He calls them “enemies of health” and advises limiting or completely avoiding them.

Refined Sugar

According to Sadhguru, sugar as we consume it today is not the same as what our ancestors ate. Traditionally, sweeteners came from natural sources like jaggery or unrefined sugarcane juice. Modern white sugar, however, is highly processed and stripped of vitamins and minerals, leaving behind only “empty calories.”

Also Read: International Fetal Alcohol Syndrome Day 2025: Themes, Significance And History

Excessive sugar intake has been linked to obesity, diabetes, and heart disease. Sadhguru points out that it not only adds to weight gain but also weakens the immune system and disrupts the body’s natural balance. Choosing natural sweeteners like jaggery, honey, or fruits can be a healthier alternative.

However, Dr Palaniappan, who runs his YouTube channel under the name Dr Pal, a gastroenterologist says that jaggery or sugar do not really have that much of a difference. He explains that while 2 teaspoon of sugar have 8 grams of carbs, 2 teaspoon of jaggery have 6 grams of carbs. The difference is not that much, if your carbohydrate consumption is 200 grams per day. However, he does note that jaggery has a lower sugar spike.

Milk

While milk is often marketed as a superfood, Sadhguru suggests that most adults are unable to digest it properly. Many people lack the enzymes required to break down lactose, which can lead to bloating, mucus formation, and lethargy.

Although milk is a good source of calcium, Sadhguru recommends relying on other calcium-rich foods such as leafy greens, sesame seeds, ragi (finger millet), and nuts. Limited milk consumption is fine for those who tolerate it, but he advises against making it a daily habit for everyone.

The Physicians Committee for Responsible Medicine quotes Harvard Study that followed 72,000 women for two decades and found no evidence that drinking milk can prevent bone fractures or osteoporosis. The conclusion was milk does not necessarily build the strongest bones, though this is not to say that it has no nutrients. In fact, an estimated of 65% of the global population is lactose intolerant, majority of whom are from Asia.

Also Read: Kissing Bugs Disease Could Soon Become An Endemic, Says CDC

Refined Grains

Modern refining processes remove the outer bran and germ from grains, leaving only the starchy endosperm. This process makes the grains last longer on shelves but takes away most of the fiber, vitamins, and minerals. As a result, refined grains like white rice and maida (white flour) provide little nutrition and cause rapid spikes in blood sugar.

Sadhguru encourages the consumption of whole grains such as brown rice, millets, and whole wheat to promote better digestion, sustained energy, and improved gut health.

Tea and Coffee

Tea and coffee may be morning essentials for many, but Sadhguru cautions against their overuse. These beverages act as nervous stimulants, giving a quick burst of energy but leaving the body more tired later. Habitual consumption can lead to dependency, sleep disturbances, and heightened stress levels.

He recommends gradually reducing intake and replacing these drinks with herbal teas, fresh juices, or simply water to maintain natural energy levels throughout the day.

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