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Low-calorie, tangy fermented dairy whey
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 cup (medium) of Whey from strained kefir (240 g) has 58 calories. That works out to 24 calories per 100 g. It contains 10.1 g of carbs, 2.2 g of protein, 0.5 g of fat and 0 g of fiber. Its 180 mg of Phosphorus covers 26% of the Daily Value. Its glycemic index is 32 (low), so it raises blood sugar slowly.
Selected: 1 cup (medium) · 240 g
58
KCAL / 240G
Carbs
10.1g
· 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 75% · Protein 16% · Fat 9%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 58 kcal | |
| Total fat | 0.5 g | 1% |
| Saturated fat | 0.29 g | 1% |
| Trans fat | 0.02 g | |
| Sodium | 91 mg | 4% |
| Total carbohydrate | 10.1 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 | 58 kcal |
| 1 tablespoon (mini) | 15 g | 4 kcal |
| 4 tablespoon (quarter) | 60 g | 14 kcal |
| 100 g | 100 g | 24 kcal |
| 1 cup (half) | 120 g | 29 kcal |
| 1 serving (small) | 200 g | 48 kcal |
| 1 serving (large) | 300 g | 72 kcal |
| 2 cup (double) | 480 g | 115 kcal |
Calculated from 24 calories per 100 g.
Whey from strained kefir is the tangy liquid that drains away when kefir is strained to make it thicker. It is a fermented dairy liquid, not the same product as commercial whey protein powder.
Yes, you can drink whey from strained kefir if it has been handled and stored safely. Its tart flavor can be strong, so try it chilled, diluted with water, or blended into a smoothie.
Whey from strained kefir works well in pancake, bread, and quick-bread batters, or as part of the liquid in soup. Its acidity adds a mild tang, so start by replacing only some of the recipe’s liquid.
Whey from strained kefir keeps for several days in a clean, covered container in the refrigerator. Use clean utensils when straining and pouring it, and discard it if you see mold, unusual discoloration, or other clear signs of spoilage.
Yes, whey from strained kefir can be frozen in small portions in a freezer-safe container, leaving room for expansion. It may separate after thawing; stir it and use it in cooking or baking if its appearance and smell remain normal.
It can contain live microorganisms from kefir fermentation. The types and amounts vary with the kefir, straining method, and storage, so whey from strained kefir is not guaranteed to provide a consistent dose of probiotics.
Yes, whey from strained kefir can replace some or all of the buttermilk in many baked goods. It is thinner, so the batter may need a small adjustment, and its acidity gives recipes a noticeable tang.
No. Whey from strained kefir is the liquid left after straining fermented kefir, while whey protein is a concentrated product made by separating and processing milk proteins. They are used differently in recipes and are not interchangeable by volume.
Yes, whey from strained kefir may still contain lactose. Kefir fermentation uses some of the milk’s lactose, but straining does not remove all of it; people with lactose intolerance may need to limit how much they drink.
Whey separates from kefir because straining removes some of its liquid, leaving a thicker, more concentrated portion behind. A longer straining time generally produces a denser kefir and a larger amount of collected whey.
Vitamins
B12
0.6µg · 25% DV
B2
0.29mg · 22% DV
B5
0.77mg · 15% DV
Biotin
2.88µg · 10% DV
Minerals
Phosphorus
180mg · 26% DV
Calcium
228mg · 23% DV
Iodine
17µg · 11% DV
Potassium ⭐
336mg · 10% DV
Sodium
91mg · 4% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 58 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 from strained kefir is the thin, tangy liquid that drains away when kefir is strained to make it thicker. It is not cheese whey, though both are separated liquids from dairy foods. Its flavour is gently sour and fermented, while its texture is much lighter than kefir itself.
Drink it chilled, blend it into fruit smoothies, or use it in baking, soups and marinades. Kefir is traditionally associated with the Caucasus, and this liquid is a useful by-product of straining it at home. It is mostly water and low in calories, with 24 calories per 100 g. If its tartness is too pronounced on its own, pair it with fruit or herbs; it can also replace some of the liquid in a recipe.
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
0.1g
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.