The actress said:
“I get a kick out it, but the actual blood makes me want to gag!
It’s kind of a sweet corn syrup, I think, with an aftertaste that’s less than pleasant after the 10th take
In season one, they asked me if I wanted sugar or sugar-free. I was like, ‘Sugar-free blood? Sounds great!’
It only tastes like the latex tubes it’s coming through." In one scene, I had to feed “ravenously from Bill’s arm so I drank probably a gallon. Never again.”
Guess it's just an occupational hazard!
Opt for the sugar next time, bb.