Late night snacking is usually discouraged by most health care professionals and for good reason. According to research published in Harvard Health Publishing 'Late-Night Eating Impact 2022', eating late can change how our bodies use energy, how hungry we feel, and how fat is stored. They found that eating later led to lower levels of leptin, a hormone that makes you feel full. This means people felt hungrier when they ate later. Participants also burned calories more slowly when they ate later, they changed how fat tissue behaved, making it more likely to store fat and less likely to burn it.

This study shows that eating late can affect several processes in the body that contribute to weight gain. It helps explain why people who eat late at night may be more likely to become overweight or obese. Sometimes, you might feel a little hungry before bed, and that's okay. But choosing the right snack is important, especially if you're watching your blood pressure or following a special diet like intermittent fasting. Many common snacks, like chips or pretzels, have too much salt. According to the Center of Disease Control and Prevention (CDC) eating too much sodium can cause you high blood pressure and increase the risk of heart related diseases.

However, there s a healthier option-Kefir. It's a fermented milk drink, similar to yogurt, but with more good bacteria for your gut. It's low in salt and has many healthy things that can help you feel good and sleep better.

Why Kefir Is A Great Late Night Snack?

According to a study published in the Cellular Physiology and Biochemistry Kefir has shown promise in improving heart and metabolic health by lowering blood pressure, improving blood vessel function, managing cholesterol, and helping with insulin resistance. It has also shown great potential to help the gut Microbia in our body stay healthy.

A 2017 study explained that scientists are very interested in probiotics and fermented milk like kefir because they might help prevent and treat cancer. Kefir, a drink made from milk or water fermented with special grains, contains helpful bacteria and yeast. It has many health benefits, like fighting germs and reducing swelling. Here are some reasons why they are a great late night snack.

Low Sodium and Healthy Nutrients

Kefir has very little salt, which is good for your blood pressure. It also has calcium for strong bones, and potassium and magnesium to help keep your blood pressure in a healthy range.

Gut Health and Heart Health Connection

A healthy gut helps protect your heart. Kefir has many good bacteria, called probiotics. These little helpers improve your gut health, which then helps your heart stay strong and healthy.

Antioxidant Benefits

Kefir has special substances called antioxidants. These antioxidants fight free radicals in your body that can damage your blood vessels and organs. This helps keep your blood flowing smoothly and protects your heart.

Cholesterol and Artery Health

Kefir can help keep your arteries clear and manage your cholesterol. It helps reduce swelling in your blood vessels and helps your body get rid of bad cholesterol, which is good for your heart.

Ever wondered why a food you have eaten comfortably for years suddenly starts causing bloating, abdominal discomfort or bowel changes? The food may not have changed — your gut may have.

Food intolerance can develop in adulthood as the gut microbiome, digestive enzymes, intestinal lining and gut-brain interactions change with age, illness, medications, diet, stress and other factors.

What Changes Inside The Gut?

“The intestine is a dynamic ecosystem. Its microbiome, immune system, intestinal lining and digestive enzymes are constantly changing and adapting to factors such as age, infections, antibiotics, medications, diet, stress and hormonal changes,” Dr. Amit Maydeo, Chairman, Institute of Gastrosciences, Sir HN Reliance Foundation Hospital, told HealthandMe.

Dr. Geeta Malkan-Billa, Director of Gastroenterology & Hepatology, highlighted several changes that can affect food tolerance:

• Digestive enzymes: Lactase levels decline after childhood. For some, lactose intolerance can appear in their 20s–40s. Diamine oxidase, which helps break down histamine, can also decrease.
• Gut microbiome: Antibiotics, infections, illness and major diet changes can alter gut bacteria, changing how foods are fermented and potentially causing more gas or bloating.
• Past infections: Gastroenteritis can affect the gut lining, digestive enzymes and gut nerves for months, making certain foods harder to tolerate.
• Gut lining: NSAIDs, tobacco, heavy alcohol use and chronic stress can increase intestinal permeability and trigger low-grade immune activity.
• Gut movement: Ageing, surgery, diabetes, thyroid problems and GLP-1 medications can alter how quickly food moves through the gut, affecting fermentation and potentially contributing to bacterial overgrowth.

Why Does A Familiar Food Suddenly Cause Problems?

Dr Amit said that changes in gut bacteria can alter how carbohydrates and fibers are fermented, while a more sensitive gut lining can make previously tolerated foods feel uncomfortable.

A previous gut infection can also leave the gut more sensitive. After gastroenteritis, some people develop post-infectious IBS, which can make certain foods trigger symptoms.

Stress can further amplify these sensations through the gut-brain axis. As the nervous system becomes more sensitive, normal amounts of gas or intestinal distension may feel uncomfortable, Dr. Amit said.

It May Not Be Food Intolerance

Not every reaction to food is an intolerance. Some conditions can look similar but are actually different:

• Celiac disease: An autoimmune condition that can develop at any age, rather than simply an inability to digest gluten or wheat.
• Food allergy: True IgE-mediated food allergies can also develop during adulthood.

So, a new reaction to a familiar food should not automatically be labelled as food intolerance.

What Should You Do?

Before cutting gluten from your diet, get celiac serology testing, as going gluten-free beforehand can affect the results.

A two-week food and symptom diary can also help identify patterns. Note:

• What you ate
• How much you ate
• When symptoms appeared

The key is to remember that the food itself may not have suddenly become “bad” for you. Your gut’s ability to process and tolerate it may have changed.

Sometimes, however, a new food allergy or another gastrointestinal disorder may need to be ruled out.

When Should You See A Doctor?

Certain symptoms should not simply be blamed on food intolerance. See a doctor if you experience:

• Unexplained weight loss
• Blood in the stool
• Anaemia
• Symptoms that wake you at night
• Swelling
• Difficulty breathing

These symptoms need medical evaluation rather than simply eliminating foods from your diet.

Sorbitol is often seen as a healthier alternative to sugar. The sugar alcohol is widely used in sugar-free chewing gum, candies and other low-calorie foods, offering sweetness with fewer calories than regular sugar.

But new research suggests that sorbitol may not just pass through the digestive system as it was previously assumed.

Scientists have found that after reaching the liver, sorbitol may be converted into a compound related to fructose, where it could trigger metabolic changes associated with fatty liver disease.

How Sorbitol Interacts With The Body?

Researchers from Washington University in St. Louis used zebrafish models to analyse what happens to sorbitol after it enters the body.

They found that after eating a meal, sorbitol can be produced naturally in the intestine from the glucose. What happens next depends partly on the bacteria residing in the gut.

Certain bacteria, including Aeromonas strains that degrades sorbitol, can consume sorbitol and convert it into a harmless bacterial byproduct. This may act as a protective filter, preventing the compound from reaching the liver.

But when those bacteria are absent, more sorbitol may pass through to the liver. Researchers found sorbitol can be converted into a derivative of fructose.

The researchers describe sorbitol as being “one transformation away from fructose”, because of how closely the two compounds are connected through metabolism.

Also read: Should You Really Cut Out Rice And Roti To Lose Weight? Expert Explains The Truth About Carbs

Could Sorbitol Affect Liver Health?

The metabolism of fructose in the liver has been linked to steatotic liver disease, a condition in which excess fat accumulates in liver cells. The new findings suggest that sorbitol may have some of the same metabolic effects.

The researchers found that sorbitol could contribute to processes linked with liver fat accumulation when the gut's ability to break it down was impaired.

However, this does not mean that eating sugar-free gum or food containing sorbitol will automatically and mandatorily cause fatty liver disease.

The research was conducted in zebrafish, and the study is exploring a biological mechanism rather than demonstrating that ordinary dietary sorbitol causes liver disease in humans.

Also read: Bill Ackman’s Daughter Gets Experimental Treatment For Vision Loss: When Can Mitochondrial Transplants Help?

Gut Bacteria May Make A Difference

One of the more unexpected findings was the potential role of the gut microbiome in preventing this scenario. At relatively low levels, including amounts naturally obtained from fruit, researchers found that bacteria appeared capable of breaking down sorbitol.

Problems may surface when the amount of sorbitol becomes too high for these microbes to process efficiently. That could happen through consuming large quantities of products that contain sorbitol. High glucose intake may also increase the amount of sorbitol produced inside the intestine.

The researchers therefore suggest that how much sorbitol is consumed and the composition of an individual's gut bacteria could influence what happens to the compound and thus shape the risk of liver disease.

The study does not establish that sorbitol is harmful for humans even when consumed in moderate amounts. In fact, sorbitol occurs naturally in fruits such as stone fruits, and the researchers noted that relatively low amounts are generally handled effectively by gut bacteria.

The findings challenge the assumption that sugar substitutes are automatically metabolically healthy simply because they contain less sugar or fewer calories.

Carbohydrates have unfortunately become one of the most misunderstood parts of the diet, particularly when it comes to weight loss.

Cutting out rice, roti or other carbohydrate-rich foods completely is not necessarily the answer. Carbohydrates are an important source of energy, and the issue is more about the quality, quantity and overall balance of the diet than the nutrient itself.

Why Cutting Carbs Completely May Not Be The Answer

For Indians, this becomes particularly relevant because staples such as rice, roti, poha, idli and other grain-based foods are an integral part of our traditional diets.

Removing them completely can sometimes make a diet unnecessarily restrictive and difficult to sustain. It may also mean missing out on foods that provide fibre, vitamins, minerals and other nutrients, particularly when whole grains and minimally processed sources are chosen.

Also read: The New Nutrition Gap: Why Knowing What To Eat Doesn't Mean We Actually Eat It

Not All Carbohydrates Are Created Equal

What matters is understanding the difference between refined and high-quality carbohydrate sources. A diet dominated by refined flour, sugary foods, sweetened beverages and highly processed snacks is very different from one that includes whole grains, millets, legumes, vegetables and appropriately portioned rice or roti.

The Bigger Picture Behind Weight Loss

Another common mistake is replacing carbohydrates with excessive amounts of protein or fat without considering the overall nutritional balance.

Weight loss ultimately depends on overall energy intake, dietary quality, physical activity, sleep and several other factors—not simply whether carbohydrates are present on the plate.

Also read: Protein Is In Everything, But Is Every Source Actually Healthy? Experts Explain

How To Build A More Balanced Indian Plate

A practical approach is to focus on portions and pair carbohydrates with protein, vegetables and healthy fats. For example, roti with dal and vegetables or rice with dal, vegetables and curd can form a balanced meal. Choosing less-refined carbohydrate sources and paying attention to portion sizes can make the diet both nutritious and sustainable.

Carbohydrates do not need to be feared or completely eliminated. The goal should be to eat the right kind, in appropriate portions, as part of a balanced diet rather than following the latest anti-carb trend.