
Kvass is a traditional fermented beverage from Eastern Europe, typically made from rye bread, water, sugar, and yeast. It has a slightly tangy, sweet, and refreshing taste with a low alcohol content, often enjoyed as a summer drink.
Kvass is primarily a source of carbohydrates from its natural sugars, with minimal fat and protein. It provides some B vitamins and minerals like potassium, with a typical 240ml serving containing roughly 40-60 calories.
| Calories | 50 kcal |
| Protein | 0.5 g |
| Carbs | 12 g |
| Fat | 0 g |
| Fiber | 0 g |
| Sugar | 10 g |
| Sodium | 15 mg |
| Potassium | 80 mg |
| Vitamin B6 | 0.05 mg |
| Niacin (B3) | 0.5 mg |
| Riboflavin (B2) | 0.03 mg |
| Thiamine (B1) | 0.02 mg |
| Iron | 0.2 mg |
| Magnesium | 5 mg |
| Phosphorus | 10 mg |
Per 1 cup (240 g) · estimated, varies by recipe
Kvass is a living probiotic drink due to its natural fermentation, which can support gut health. Historically, it was a staple in Russia and Ukraine, valued for its hydrating properties and as a safer alternative to water in past centuries.