Is Buttermilk Good for Weight Loss? (Science + Tips)

Last Updated on May 14, 2026 by Fatima

Buttermilk, commonly known as chaas in India, is one of the most refreshing and healthy drinks—especially during hot weather. When summer gets intense, many people reach for chilled drinks—but not all of them support healthy eating goals. buttermilk is a classic option: light, refreshing, and easy to pair with meals. It’s often discussed as part of balanced eating plans because it can be lower in calories than many sweet beverages and may help with satiety. Health organizations note fermented dairy can fit into nutritious diets, depending on overall intake and individual needs.

What Is Buttermilk?

Traditional buttermilk is the liquid left after churning butter from curd or cream. In India, we mostly drink chaas — diluted curd whisked with water and spices like roasted cumin, black salt, mint, and ginger.

Modern cultured buttermilk is made by adding lactic acid bacteria to low-fat milk. Both versions are probiotic-rich and easier to digest than plain milk for many people because the fermentation process breaks down much of the lactose.

In hot weather like ours, it’s a perfect swap for sugary sodas or packaged juices.

Is Buttermilk Good for Weight Loss?

Yes, buttermilk can support weight loss — especially when used smartly as part of a balanced diet. It’s low in calories, hydrating, gut-friendly, and may even boost metabolism indirectly. However, it’s not a magic potion. Let’s dive into the science, compare it with curd, and share practical tips to make it work for you.

✅ 1. Low in Calories, High in Nutrition

A glass of buttermilk contains very few calories compared to sugary drinks or lassi. In calorie deficit diets (essential for weight loss), every calorie counts. Buttermilk’s low energy density means you feel refreshed and satisfied with minimal intake. Its high water content combats dehydration, which can sometimes be mistaken for hunger.

✅ 2. Boosts Digestion

Buttermilk contains probiotics (good bacteria) that improve gut health. A healthy gut microbiome plays a big role in how efficiently your body burns fat and processes food. The probiotics in buttermilk help balance gut bacteria, reduce bloating, and improve digestion. Some experts note that fermented dairy like buttermilk (or curd) can enhance fat breakdown and metabolism through better nutrient absorption.

✅ 3. Keeps You Full for Longer

Drinking buttermilk can help reduce hunger cravings.The protein and probiotics can help you feel fuller longer, reducing cravings for high-calorie snacks. Calcium in buttermilk may also play a role in preventing fat accumulation.

✅ 4. Hydrates Your Body

Studies on fermented dairy (including similar products) show associations with less weight gain over time when included regularly in meals. Buttermilk shines in hot climates because it keeps you cool and hydrated, encouraging consistent intake.

✅ 5. Helps Reduce Belly Fat (Indirectly)

While buttermilk alone doesn’t magically burn fat, it supports better digestion, reduces bloating, and improves metabolism, all of which can contribute to a flatter stomach over time.

Practical Tips How to Drink Buttermilk for Weight Loss

Storage Tip Make a big batch in the morning and refrigerate. Shake well before drinking.

Choose or Make the Right Version Opt for homemade with low-fat or toned curd to keep calories minimal. Avoid sweetened or heavily salted commercial versions.

Portion Smartly 1–2 glasses (250–500ml) per day is ideal. Drink it mid-morning, afternoon, or after meals to aid digestion and curb hunger.

Enhance with Weight-Loss Friendly Add-ins

Roasted cumin (jeera) — boosts metabolism.

Mint/pudina & coriander — adds freshness and antioxidants with zero calories.

Ginger — improves digestion.

Black salt (kala namak) — in moderation for electrolytes.

Optional: Cucumber or a spoon of sattu (roasted gram flour) for extra fiber and protein.

Best Time to Drink Buttermilk for Weight Loss Many people enjoy drinking buttermilk after lunch, in the mid-afternoon, or alongside spicy meals to soothe the stomach, or as a pre-dinner drink to reduce overall calorie intake ,during hot weather. It’s often preferred after a heavy meal because its light, cooling taste can feel refreshing and easy to digest. Avoid late night if it causes any discomfort

Combine with Lifestyle Changes Pair with a balanced diet (more veggies, whole grains, lean proteins), daily walks or exercise, and good sleep. Buttermilk supports — it doesn’t replace effort.

Who Should Be Cautious?

• Lactose intolerance: Buttermilk is often better tolerated than milk, but start small if sensitive.
• High blood pressure: Watch sodium — use minimal salt or black salt.
• Acid reflux: Some people feel better with it; others may need to avoid if it triggers heartburn.
• Always consult a doctor or nutritionist for personalized advice, especially if you have medical conditions.

Final Verdict: Should You Drink Buttermilk for Weight Loss?

Yes — buttermilk is a smart, delicious addition to your weight loss journey. Its low calories, probiotics, hydration, and digestive benefits make it especially valuable in Indian summers. While science shows promising support for gut health, lipid improvement, and indirect metabolic help, sustainable results come from consistency + overall healthy habits.

Buttermilk can be a useful everyday drink if you enjoy something light, cooling, and easy to make. It’s not a shortcut for weight loss, but it can fit well into a balanced routine—especially when replacing sugary drinks or heavy snacks.

Swap your evening tea or sugary drink with a glass of masala chaas. Your taste buds and waistline will both thank you!

Have you tried incorporating buttermilk into your routine? Share your favourite chaas recipe or weight loss tip in the comments below. If you’re in your weight loss journey, try making it with fresh curd (dahi) from local dairies for the best flavour.

For Different Buttermilk Recipe Click Here Click here to try this refreshing, probiotic-rich homemade buttermilk recipe for weight loss!

FAQs

Can I drink buttermilk every day?

For many people, moderate daily use can fit into a balanced diet, but it depends on overall diet and dairy tolerance.

Is buttermilk better than lassi for weight loss?

Unsweetened buttermilk is often lighter than sweet lassi because it’s diluted and usually has no added sugar.

Can I drink it at night?

Some people do, but many prefer it during the day with meals.

Is packaged buttermilk okay?

It can be convenient; check added salt, sugar, and flavorings on the label.