And as far as the tonic aspect of that duo is concerned, the brand Fever-Tree is beloved by friend groups' resident mixologists and professional bartenders alike. But not all of its products are ...

Tree, our experts tested 14 tonic waters to find the best mixer for your G&T (including low and no-alcohol options).

Its first product was Premium Tonic Water, still Fever-Tree's flagship. It blazed the trail that led to the company becoming the world's leading supplier of premium mixers for alcoholic spirits.