Does kvass have caffeine?

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6. What is kvass supposed to taste like?
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Tags

1. #healthy
2. #eastern
3. #fermentation
4. #created
5. #drink
6. #fermented
7. #energy
8. #natural
9. #caffeine
10. #barley
11. #years
12. #europe
13. #through
14. #similar
15. #popular
16. #levels
17. #hundreds
18. #taste
19. #without
20. #russia
21. #wheat
22. #kvass
23. #using