It turns out that you only have around a year before the booze's quality declines. Here's what to know, according to an ...

For example: 80-proof vodka (40% alcohol; the most common type) has 64 calories per 1oz 86-proof vodka (43% alcohol) has 70 calories/1 oz 90-proof vodka (45% alcohol) has 73 calories/1 oz 100 ...

But that’s not the only thing that marks this vodka as unique. It also hits the glass at 43% ABV, slightly higher than the traditional 40% (or 80-proof mark) of most of its contemporary competitors.

and even 80 proof. It was a misguided attempt to make whiskey more appealing to vodka drinkers. Instead, it became less appealing to whiskey drinkers, and didn’t convert many vodka fans either.