Adam, his own best salesman, soon honed his pitch to bars and retailers. "Carbliss is a bartender's hand-crafted cocktail in a can, with all the benefits of what people liked in a seltzer.

Now, Carbliss offers a variety of canned vodka-, tequila- and rum-based cocktails ― including margaritas, mojitos and palomas. Each can has just 100 calories and is sugar-, carb- and gluten-free.