You’ve developed a solution to the problem of a tasteless bloodbag – a Formula that lets anyone feed from a blood bag as if it’s from a human body. It may not taste as good, but it gets the job done. 

Required ingredients: Alchemist’s Blood, Sanguine and Melancholic mortal blood

Suggested ingredients: Moldy spinach, hot black coffee (no additives), sodium octanoate (protein stabilizer), O-negative mortal blood

Cost: Free aside from the distillation costs

System: Instead of making a static challenge when distilling, make a contested challenge vs.  Difficulty 4. If you succeed in the challenge, you make enough elixir to turn two  blood bags into unfractionated blood that any vampire can feed on normally. Each bag Slakes one Hunger. This blood remains unfractionated indefinitely, as long as it is refrigerated within 24 hours.  This is an exception to the rule that other vampires cannot benefit from Thin-Blood Alchemy.

An alchemist can store a number of unfractionated blood bags equal to twice her number of Alchemy dots + the number of dots she has in her Haven, as long as she has a powered refrigerator.

Duration: Twenty-four hours or indefinitely if refrigerated