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Probiotic fermented whey beverage, low fat
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 cup (medium) of Whey kefir (240 g) has 65 calories. That works out to 27 calories per 100 g. It contains 11.5 g of carbs, 2.2 g of protein, 0.5 g of fat and 0 g of fiber. Its 0.3 mg of B2 covers 22% of the Daily Value. Its glycemic index is 32 (low), so it raises blood sugar slowly.
Selected: 1 cup (medium) · 240 g
65
KCAL / 240G
Carbs
11.5g
· 4% DV
Protein
2.2g
· 4% DV
Fat
0.5g
· 1% 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 78% · Protein 15% · Fat 7%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 65 kcal | |
| Total fat | 0.5 g | 1% |
| Saturated fat | 0.29 g | 1% |
| Trans fat | 0.02 g | |
| Sodium | 108 mg | 5% |
| Total carbohydrate | 11.5 g | 4% |
| Fiber | 0 g | 0% |
| Protein | 2.2 g | 4% |
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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| Serving | Amount | Calories |
|---|---|---|
| 1 cup (medium) | 240 g | 65 kcal |
| 1 teaspoon (small) | 5 g | 1 kcal |
| 1 tablespoon (small) | 15 g | 4 kcal |
| 100 g | 100 g | 27 kcal |
| ½ cup (half) | 120 g | 32 kcal |
| 1 serving (medium) | 200 g | 54 kcal |
| 1 bottle (small) | 250 g | 68 kcal |
| 1.5 cup (large) | 360 g | 97 kcal |
Calculated from 27 calories per 100 g.
Whey kefir is a fermented drink made by culturing whey, the liquid left after milk is curdled or strained. It is usually thinner and tangier than milk kefir, and its live-culture content depends on how it is made and handled.
Whey kefir is made with whey, while regular kefir is usually made with milk. That gives whey kefir a lighter, more liquid texture and a different balance of nutrients and flavor; the exact difference depends on the starting whey and culture.
To make whey kefir, add kefir grains or a suitable kefir starter to fresh, safely handled whey and let it ferment in clean equipment. Refrigerate it once fermented, and discard it if it develops mold or an unpleasant, unusual smell.
Whey kefir usually tastes tart, mildly sour, and refreshing, with a much thinner texture than milk kefir. Its flavor varies with the whey and fermentation time; a longer ferment generally makes the sourness more pronounced.
No, whey kefir should not be assumed to be lactose-free. Fermentation can reduce some lactose, but the amount varies by product and process. If you are lactose intolerant, try a small amount and pay attention to symptoms.
Whey kefir can contain live microorganisms when it is fermented with active cultures and has not been heat-treated afterward. Heating may destroy or reduce those live cultures, so preparation and processing matter more than the name alone.
Yes, whey kefir works well in smoothies because its thin texture blends easily with fruit. It adds a tangy note, so pair it with sweeter ingredients if you want a milder taste; avoid heating it if you want to preserve live cultures.
Keep whey kefir refrigerated in a tightly closed container after opening, and follow the storage directions and date on its packaging. Do not drink it if you see mold or notice an unusually unpleasant smell or other clear signs of spoilage.
Yes, most people can include whey kefir as a regular drink if they tolerate dairy. It is not suitable for someone with a milk allergy, and people sensitive to lactose may need to limit it or avoid it depending on their symptoms.
Sometimes, but whey kefir is thinner and more tart than milk kefir, so it may change a recipe’s texture and flavor. It is a better substitute in drinks, dressings, and cold mixtures than in recipes that rely on kefir’s creamy body.
Vitamins
B2
0.29mg · 22% DV
B12
0.43µg · 18% DV
B5
0.77mg · 15% DV
Biotin
1.44µg · 5% DV
Minerals
Phosphorus
101mg · 14% DV
Calcium
132mg · 13% DV
Potassium ⭐
312mg · 9% DV
Selenium
3.6µg · 7% DV
Sodium
108mg · 5% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 65 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.
Whey kefir is a fermented drink made by culturing whey—the liquid left from cheesemaking—with kefir cultures. It belongs to the broader kefir tradition associated with the Caucasus, while this version uses whey rather than milk as its base.
It is usually thin and pourable, with a tangy taste and sometimes a gentle fizz, and is best served chilled. You can drink it on its own, have it with breakfast, or blend it with fruit or oats; in Turkey, kefir is also an easy choice for a light snack. Whey kefir is low in fat and relatively modest in protein, with 0.2 g of fat per 100 g. Pair it with a more substantial food if you want a filling breakfast.
Medium
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
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.
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.
Contains these allergens:
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
SATURATED
0.29g
MONOUNSATURATED
0.12g
POLYUNSATURATED
0.05g
Omega 6:3 ratio 1:1
Below the ideal 4:1 — a good omega balance.
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Nutrition data compiled from USDA FoodData Central and scientific sources.