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A2 kefir Calories
Probiotic source of protein and calcium
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
1 cup (medium) of A2 kefir (240 g) has 125 calories. That works out to 52 calories per 100 g. It contains 11.5 g of carbs, 8.2 g of protein, 4.8 g of fat and 0 g of fiber. Its 1.1 µg of B12 covers 45% of the Daily Value. Its glycemic index is 35 (low), so it raises blood sugar slowly.
A2 kefir Nutrition Facts
Selected: 1 cup (medium) · 240 g
125
KCAL / 240G
Carbs
11.5g
· 4% DV
Protein
8.2g
· 16% DV
Fat
4.8g
· 6% DV
Fiber
0g
· 0% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 38% · Protein 27% · Fat 35%
A2 kefir nutrition facts table · 1 cup (medium) (240 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 125 kcal | |
| Total fat | 4.8 g | 6% |
| Saturated fat | 3 g | 15% |
| Trans fat | 0.17 g | |
| Sodium | 108 mg | 5% |
| Total carbohydrate | 11.5 g | 4% |
| Fiber | 0 g | 0% |
| Protein | 8.2 g | 16% |
Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.
Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.
Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.
Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.
Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.
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How Many Calories in 1 Cup of A2 kefir?
| Serving | Amount | Calories |
|---|---|---|
| 1 cup (medium) | 240 g | 125 kcal |
| 1 ounce (extra small) | 30 g | 16 kcal |
| 100 g | 100 g | 52 kcal |
| 1 cup (small) | 120 g | 62 kcal |
| 1 cup (medium) | 180 g | 94 kcal |
| 1 serving (medium) | 200 g | 104 kcal |
| 1 cup (large) | 240 g | 125 kcal |
| 1 bottle (medium) | 250 g | 130 kcal |
| 1 bottle (large) | 330 g | 172 kcal |
Calculated from 52 calories per 100 g.
Frequently Asked Questions About A2 kefir
What is A2 kefir?
A2 kefir is fermented milk made from milk containing A2 beta-casein. The “A2” describes the type of beta-casein in the milk, while kefir refers to the fermented drink made with kefir cultures.
Is A2 kefir lactose-free?
No, A2 kefir is not automatically lactose-free. Fermentation may reduce some lactose, but A2 refers to a milk protein variant, not to lactose content. Choose a product specifically labeled lactose-free if you need to avoid lactose.
How is A2 kefir different from regular kefir?
The main difference is the milk used: A2 kefir is made with milk containing A2 beta-casein, while regular kefir may contain both A1 and A2 beta-casein. Both are fermented with kefir cultures, and neither is automatically lactose-free.
Does A2 kefir contain probiotics?
Yes, A2 kefir is fermented with kefir cultures, which can include live microorganisms in the finished drink. The cultures present can vary by product and processing, so A2 itself does not tell you which or how many microorganisms it contains.
Is A2 kefir easier to digest than regular kefir?
Some people report tolerating A2 dairy better than dairy with A1 beta-casein, but that does not apply to everyone. A2 kefir still contains milk proteins and may contain lactose, so it is not a reliable solution for milk allergy or lactose intolerance.
Can you make A2 kefir at home?
Yes. Ferment A2 milk with kefir grains in a clean container, then strain out the grains when it reaches the taste and texture you like. The milk must be A2; kefir grains do not change the beta-casein type.
Does A2 kefir taste different from regular kefir?
A2 kefir usually tastes tangy and mildly tart, like other kefirs. Any difference from regular kefir is often subtle; fermentation time, milk fat, and the kefir culture can influence the flavor more noticeably.
Can you use A2 kefir instead of yogurt in a smoothie?
Yes, A2 kefir works well in smoothies in place of yogurt. It gives the drink a tangy flavor and a pourable texture; blend it with fruit, and add it after cooking or heating if you want to preserve live cultures.
Is A2 kefir safe for someone with a milk allergy?
No. A2 kefir still contains milk proteins that can trigger a milk allergy. A2 describes a beta-casein variant; it does not remove milk allergens, so it is not a safe substitute for dairy-free products.
How should you store A2 kefir after opening?
Keep opened A2 kefir refrigerated with the container tightly closed, and use a clean cup when serving it. Follow the package’s storage and use-by instructions; discard it if its smell, appearance, or texture has changed noticeably.
A2 kefir Vitamins & Minerals
Vitamins
B12
1.08µg · 45% DV
B2
0.41mg · 32% DV
Biotin
7.68µg · 26% DV
B5
0.86mg · 17% DV
Minerals
Phosphorus
228mg · 33% DV
Calcium
288mg · 29% DV
Iodine
38µg · 25% DV
Selenium
8.4µg · 15% DV
Potassium ⭐
372mg · 11% DV
Sodium
108mg · 5% DV
A2 kefir Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off A2 kefir
To burn the 125 calories in 1 cup (medium) (240 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
What is A2 kefir?
A2 kefir is a fermented milk drink made with kefir cultures and milk containing the A2 form of beta-casein. Kefir has long been associated with the Caucasus; this version is made with a particular type of milk protein, rather than being a different style of fermentation. Its flavour and thickness vary with the milk and how it is cultured.
Expect a tangy, creamy drink that may have a faint natural fizz. It is usually served chilled, plain or blended with fruit, and works at breakfast or as a snack; you can also pour it over oats or cereal. A2 kefir provides protein and calcium, along with live cultures. At 3.4 g of protein per 100 g, it can be a useful addition to a light meal. Choose it unsweetened if you want to keep the pairing simple.
How Nutritious Is A2 kefir?
Nutrient density
High
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Satiety score
Medium
An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.
Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.
Is A2 kefir Processed?
NOVA 2
Minimally Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Does A2 kefir Contain Allergens?
Contains these allergens:
Which Diets Is A2 kefir Good For?
Vegan
— Not suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
A2 kefir Fat Profile
SATURATED
3g
MONOUNSATURATED
1.32g
POLYUNSATURATED
0.22g
Omega 6:3 ratio 2:1
Below the ideal 4:1 — a good omega balance.
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Nutrition data compiled from USDA FoodData Central and scientific sources.