Ready & Packaged Foods
All →Vegetables & Legumes
All →Desserts & Confectionery
All →Meat & Protein
All →Grains & Bakery
All →Beverages
All →Milk & Dairy
All →
Unsweetened fermented kvass Calories
Low-calorie fermented beverage with mild probiotic potential
In season: Spring · Summer · Autumn · Winter
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
1 cup (medium) of Unsweetened fermented kvass (240 g) has 43 calories. That works out to 18 calories per 100 g. It contains 9.1 g of carbs, 0.7 g of protein, 0.2 g of fat and 0.2 g of fiber. Its 0.2 mg of Manganese covers 8% of the Daily Value. Its glycemic index is 30 (low), so it raises blood sugar slowly.
Unsweetened fermented kvass Nutrition Facts
Selected: 1 cup (medium) · 240 g
43
KCAL / 240G
Carbs
9.1g
· 3% DV
Protein
0.7g
· 1% DV
Fat
0.2g
· 0% DV
Fiber
0.2g
· 1% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 89% · Protein 7% · Fat 4%
Unsweetened fermented kvass nutrition facts table · 1 cup (medium) (240 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 43 kcal | |
| Total fat | 0.2 g | 0% |
| Saturated fat | 0.05 g | 0% |
| Trans fat | 0 g | |
| Sodium | 29 mg | 1% |
| Total carbohydrate | 9.1 g | 3% |
| Fiber | 0.2 g | 1% |
| Protein | 0.7 g | 1% |
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.
Log this food in EatBetter
100,000+ people use it
- Get your daily calorie target
- Snap your meal, log it in seconds
- See every vitamin and mineral
📸 Scan the code to get the app free.
How Many Calories in 1 Cup of Unsweetened fermented kvass?
| Serving | Amount | Calories |
|---|---|---|
| 1 cup (medium) | 240 g | 43 kcal |
| 100 g | 100 g | 18 kcal |
| ½ cup (half) | 120 g | 22 kcal |
| 1 serving (small) | 200 g | 36 kcal |
| 1 can (medium) | 250 g | 45 kcal |
| 1 bottle (small) | 330 g | 59 kcal |
| 1 serving (large) | 350 g | 63 kcal |
| 1 bottle (large) | 500 g | 90 kcal |
Calculated from 18 calories per 100 g.
Frequently Asked Questions About Unsweetened fermented kvass
What is unsweetened fermented kvass?
Unsweetened fermented kvass is a lightly tangy, often fizzy drink made by fermenting a base such as bread or grains. Traditional bread kvass is associated with Eastern Europe; recipes and ingredients vary by region and producer.
Does unsweetened fermented kvass contain alcohol?
Yes, fermentation can produce some alcohol, and the amount varies with the recipe, fermentation time, and production method. If you need to avoid alcohol completely, do not assume that unsweetened fermented kvass is alcohol-free.
What does unsweetened fermented kvass taste like?
Unsweetened fermented kvass is usually tart, mildly yeasty, and refreshing, sometimes with a bread-like or toasted-grain note. It is generally less sweet than soft drinks, and some versions have noticeable natural carbonation.
How is unsweetened fermented kvass made?
Unsweetened fermented kvass is commonly made by steeping bread or grains in water and allowing fermentation to develop. Ingredients and timing differ between recipes, while fermentation creates its characteristic tang and may produce bubbles.
Is unsweetened fermented kvass a probiotic drink?
It may contain live microorganisms if fermentation cultures remain active, but that is not guaranteed. Pasteurization or other processing after fermentation can reduce or eliminate live cultures, so the word “fermented” alone does not confirm probiotic content.
Does unsweetened fermented kvass have no sugar at all?
No. “Unsweetened” usually means no sugar was added for sweetness, not that the finished drink contains absolutely no sugars. Fermentation may leave some naturally occurring sugars and other carbohydrates behind.
Is unsweetened fermented kvass the same as beet kvass?
No. Bread-based kvass is made from bread or grains, while beet kvass is fermented from beets and has a more earthy, vegetable-like flavor. Both are called kvass, but their ingredients and taste are distinct.
Can children drink unsweetened fermented kvass?
Children should not be given unsweetened fermented kvass on the assumption that it contains no alcohol. Fermentation can create alcohol, and the amount varies; choose a drink specifically confirmed to be alcohol-free for children.
Should unsweetened fermented kvass be refrigerated after opening?
Yes, keep opened unsweetened fermented kvass tightly closed in the refrigerator. Refrigeration slows further fermentation, but some bottles may continue to build pressure, so open them carefully and follow the maker’s storage directions.
Can unsweetened fermented kvass be used in cooking?
Yes, unsweetened fermented kvass can add a tangy, bread-like note to soups, marinades, or dressings. Heating it will reduce its carbonation and can destroy live cultures, so add it cold if preserving those cultures matters.
Unsweetened fermented kvass Vitamins & Minerals
Vitamins
B1
0.05mg · 4% DV
B2
0.05mg · 4% DV
B3
0.48mg · 3% DV
B6
0.05mg · 3% DV
Minerals
Manganese
0.19mg · 8% DV
Copper
0.07mg · 8% DV
Phosphorus
29mg · 4% DV
Iron
0.72mg · 4% DV
Potassium ⭐
67mg · 2% DV
Sodium
29mg · 1% DV
Unsweetened fermented kvass Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Unsweetened fermented kvass
To burn the 43 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 Unsweetened fermented kvass?
Unsweetened fermented kvass is a traditional drink from Eastern Europe, especially associated with Russia and Ukraine. It is commonly made by fermenting rye bread with water; recipes and fermentation time vary, and some versions use other ingredients. Leaving out added sugar does not necessarily remove the carbohydrates already present in the bread.
Expect a gently tangy, bready, yeasty taste and sometimes a light fizz. It is usually served chilled, either on its own or alongside a meal. Outside its home region, it can be an interesting alternative to soda or a sharp, savoury drink with hearty foods. It is low in calories, with most of its energy coming from carbohydrates. Pair it with a simple meal, and check the label if you want to know whether a particular bottle still contains live cultures.
How Nutritious Is Unsweetened fermented kvass?
Nutrient density
Low
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 Unsweetened fermented kvass 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 Unsweetened fermented kvass Contain Allergens?
Contains these allergens:
Which Diets Is Unsweetened fermented kvass Good For?
Vegan
✓ Suitable
Vegetarian
✓ Suitable
Gluten-Free
— Not suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
Unsweetened fermented kvass Fat Profile
SATURATED
0.05g
MONOUNSATURATED
0.02g
POLYUNSATURATED
0.02g
Compare Unsweetened fermented kvass
Foods Similar to Unsweetened fermented kvass
Have another question about Unsweetened fermented kvass?
Ask the AI nutrition coach — calories, portions, alternatives and more, answered in seconds in the app.
Scan calories with your camera
Instant AI nutrition analysis
Nutrition data compiled from USDA FoodData Central and scientific sources.