what drink has the least carbs
The Carbs and Sugar in Hard Alcohol. Good news: If you're drinking straight hard alcohol, you won't blow your daily carb budget. Hard alcohol -- including vodka, gin, rum, tequila and whiskey -- has 0 grams of carbs or sugar per ounce.
Even on a strict low-carb diet (below 20 grams per day) you can probably have a glass of wine fairly regularly. And on a moderate low-carb diet, wine is not a problem. Please note that dry wines contain less than 0.5 grams of sugar per glass. The other carbs constitute miscellaneous remains from the fermentation process, like glycerol, that should have a minimal effect on blood sugar or insulin levels.