Vampires
It also has a certain taste to it. I might be that much of a drunkard, though.
There is a component of human blood to it, but not more than... ten percent, to a mixture of other medical proteins, chemicals. A corporation mass-produced such a thing in my world, due to a shortage of humans. I can make a facsimile of it, at home- the perks, of being a vodka man, from home.