Most are flavored with natural or “other natural” flavors and are unsweetened. Several use botanical blends (examples include Lion’s Mane, ashwagandha and added magnesium), and at least one product is made with real squeezed fruit and contains a small percentage of fruit juice.
Review summaries frequently note noticeable fizz and satisfying carbonation. Some options are described as very fizzy on first opening, while others are characterized as pleasantly carbonated.
Product text recommends using many of these waters as mixers or mocktail bases. Examples include mixing flavored sparkling water with mint and lime, following mocktail recipes, or serving a ginger‑lime mule‑style drink ice cold as a nonalcoholic cocktail substitute.
Many listings state zero calories per serving and 0g added sugar. A few botanical blend listings show low calories (about 25–27 calories per can) and one listing shows 11 calories per can; several descriptions explicitly note no added sugars.