Skip to content

Buttermilk: Calories, Nutrition and Health Benefits

Traditional fermented dairy powerhouse packed with probiotics, protein, and gut-healing benefits.

Traditional buttermilk in glass on rustic table - 98 calories per cup

Quick Nutrition Facts

Per 1 Cup Buttermilk (245ml, Low-fat)

NutrientAmount
Calories98 kcal
Protein8.1g
Carbohydrates12g
Fat2.2g
Fiber0g
Sugars12g
Calcium284mg
Potassium371mg
Vitamin B120.5mcg
ProbioticsVariable (live cultures)

Macronutrient Breakdown

NUTRITIONIST INSIGHT

Buttermilk is a fermented dairy superfood delivering more probiotics per calorie than Greek yogurt. The fermentation process reduces lactose by 90%, making it digestible for lactose-sensitive individuals. Live cultures like Lactobacillus produce short-chain fatty acids that heal the gut lining, boost immunity, and improve nutrient absorption.

Myth Busters

MYTH #1: Buttermilk is High-Fat and Unhealthy

TRUTH: Modern buttermilk is low-fat (2.2g per cup) with only 98 calories. The fat present includes conjugated linoleic acid (CLA), which supports fat loss. Buttermilk is healthier than regular milk for weight management.

MYTH #2: Buttermilk Has High Lactose Like Regular Milk

TRUTH: Fermentation breaks down 90% of lactose in buttermilk, making it accessible for lactose-intolerant individuals. The lactic acid bacteria consume lactose as fuel, leaving minimal lactose behind.

MYTH #3: Probiotics Are Only in Yogurt

TRUTH: Traditional buttermilk contains more probiotic diversity than most yogurts. Streptococcus lactis and Lactobacillus bacteria thrive in buttermilk. These live cultures survive stomach acid better than many yogurt strains, delivering probiotics to the colon.

MYTH #4: Buttermilk is Too High in Lactose for Diabetics

TRUTH: Buttermilk's 12g carbs (mostly lactose-derived) are mild. The 8.1g protein slows glucose absorption. The probiotics improve insulin sensitivity and glucose metabolism. Diabetics can safely consume 1 cup daily with meals.

MYTH #5: Store-Bought Buttermilk Has No Real Probiotics

TRUTH: Most commercial buttermilk is cultured with live bacterial strains (check labels). While not as diverse as traditional buttermilk, commercial varieties still deliver benefits. Opt for "cultured" buttermilk and refrigerate to preserve live cultures.

MYTH #6: Buttermilk is Only for Cooking

TRUTH: Traditional buttermilk (liquid byproduct of butter-making) is a beverage rich in probiotics and nutrients. While used in cooking, drinking buttermilk delivers maximum probiotic benefits. A 1-cup serving provides a complete digestive wellness boost.

NutriScore by Health Goals

Health GoalNutriScoreWhy This Score?
Weight LossNutriScore A98 calories, 8.1g protein promotes satiety, probiotics reduce bloating and improve metabolism. Low-fat (2.2g) with fat-burning CLA.
Muscle GainNutriScore B8.1g protein supports muscle repair, 12g carbs aid recovery, 284mg calcium strengthens bones. Pair with carbs post-workout.
Diabetes ManagementNutriScore ALow lactose (90% fermented), high protein slows glucose absorption. Probiotics improve insulin sensitivity. Consume 1 cup with meals.
PCOS ManagementNutriScore ALow glycemic load, high protein, probiotics support hormonal balance and reduce inflammation. Calcium aids ovulation; probiotics reduce PCOS-related bloating.
Pregnancy NutritionNutriScore ARich in calcium (284mg) for fetal bone development, vitamin B12 for fetal brain, probiotics support maternal health.
Viral/Flu RecoveryNutriScore AProbiotics boost immune recovery, easily digestible protein aids tissue repair, electrolytes (potassium) restore hydration.

PERSONALIZED NUTRITION

Track your meals with NutriScan for personalized NutriScores based on your specific health goals!

Blood Sugar Response to Buttermilk

Buttermilk's protein and fermented nature create a minimal glucose impact, making it ideal for blood sugar management.

Typical Glucose Response Curve

*This chart shows typical blood glucose response for buttermilk in healthy individuals. Individual responses may vary. Not medical advice.*

How to Maximize Benefits

Pair buttermilk strategically to enhance nutrient absorption and stabilize energy:

  • 🥬 With high-fiber foods (vegetables, whole grains) - Probiotics improve fiber fermentation
  • 🍌 With complex carbs (oats, whole grain bread) - Protein slows carb absorption for sustained energy
  • 🥚 With eggs or lean protein - Enhances amino acid absorption and muscle recovery
  • 🥗 In smoothies with berries - Combines probiotics with antioxidants and polyphenols

This strategic pairing maximizes probiotic effectiveness and maintains stable blood glucose.

Cultural Significance

Buttermilk holds deep cultural significance across South Asia and beyond.

In India:

  • Traditional buttermilk (chaach or lassi) is a staple summer beverage for cooling and hydration
  • Used in Ayurvedic medicine for digestive health and balancing vata dosha
  • Essential in Indian cooking: buttermilk marinades for meat, tenderizing agent in baking
  • Produced daily in villages as a byproduct of traditional butter-making
  • Lactose-friendly dairy option in Indian cuisine, accessible to most populations

Global Context:

  • Scandinavian cultures ferment buttermilk for longevity and gut health
  • German and Dutch cultures use cultured buttermilk in traditional breads and baking
  • Increasing recognition in Western nutrition for probiotic benefits and weight management
  • Premium fermented buttermilks now available globally, celebrated as a functional food

Compare & Substitute

Buttermilk vs Similar Dairy (Per 100ml)

Nutrient🥛 Buttermilk (Low-fat)🥛 Regular Milk🥛 Greek Yogurt🥛 Kefir (Cultured)
Calories40 kcal61 kcal59 kcal41 kcal
Protein3.3g3.2g10g3.3g
Carbs4.8g4.8g3.2g4g
Fat0.9g3.3g0.4g0.9g
Lactose0.5g (fermented)4.8g3g0g (fermented)
Calcium116mg125mg127mg85mg
ProbioticsYes (Lactobacillus)NoYes (Lactobacillus)Yes (diverse strains)
Best ForWeight loss, digestion, gut healthCalcium-rich calcium sourceMuscle gain, proteinLactose-free, max probiotics

Frequently Asked Questions

Is buttermilk good for weight loss?

Yes, buttermilk supports weight loss effectively. At 40 calories per 100ml with 3.3g protein, it promotes satiety without excess calories. The probiotics improve digestion, reduce bloating, and boost metabolism. The fat present includes CLA, which supports fat oxidation.

Best practices: Drink 1 cup (245ml) with meals, choose cultured varieties for maximum probiotics, consume daily for consistent digestive benefits.

Can diabetics drink buttermilk?

Buttermilk is excellent for diabetics. Fermentation reduces lactose by 90%, minimizing blood sugar impact. The 3.3g protein per 100ml slows carb absorption. Probiotics improve insulin sensitivity and glucose metabolism.

Tips for diabetics: Consume 1 cup daily with meals, avoid added-sugar varieties, pair with high-fiber foods for maximum benefit.

Does buttermilk have probiotics?

Traditional buttermilk contains live cultures of Lactobacillus and Streptococcus bacteria. These probiotics survive stomach acid and reach the colon, where they improve digestive health and boost immunity. Most cultured buttermilk available commercially contains live probiotic cultures; check the label for "cultured" designation.

What are the main health benefits of buttermilk?

Buttermilk delivers probiotics for gut healing, high-quality protein for muscle recovery, calcium (116mg per 100ml) for bone health, and vitamin B12 for energy metabolism. The fermented nature improves nutrient bioavailability, supporting digestion, immunity, and overall wellness.

How does buttermilk compare to regular milk?

Buttermilk has lower lactose (90% fermented), similar protein (3.3g), lower fat (0.9g vs 3.3g), and contains live probiotics unlike regular milk. Buttermilk is easier to digest, has fewer calories (40 vs 61 per 100ml), and delivers digestive benefits unavailable in regular milk.

When should I drink buttermilk?

Consume buttermilk with meals to maximize nutrient absorption and slow glucose impact. Post-workout (with carbs) for muscle recovery. Morning for digestive activation. Afternoon for sustained energy. Avoid on empty stomach if you have sensitive digestion; fermentation reduces lactose but doesn't eliminate it.

Science-based nutrition recommendations
Download on the App StoreGet it on Google Play
Which meal has the most calories? Play the Find Hidden Calories game

Similar Nutritious Dairy & Alternatives

Explore More Nutrition Tools & Resources

Sarah from Austin just downloaded NutriScan