Yeah, after serving this at a party a while back, I can concur, it’s just really damn strong. And it goes down too smooth (if you like the taste). The other side effect that some say is there is a stimulant, but that may just be the sugar that you add in serving. I
An analysis of century-old bottles of absinthe – the kind once quaffed by the likes of van Gogh and Picasso to enhance their creativity – may end the controversy over what ingredient caused the green liqueur’s supposed mind-altering effects .
The culprit seems plain and simple: The century-old absinthe contained about 70 percent alcohol, giving it a 140-proof kick. In comparison, most gins, vodkas and whiskeys are just 80- to 100-proof.