Skyrim: Potion of Blood
Potion of Blood is an item in Skyrim: Dawnguard.
Equivalent to feeding on human blood for vampires
Vampires heal 100 points of Health
There is no known recipe to craft the Potion of Blood in an Alchemy Station.
 Where to get
Quest Rewards (See below)
Loot from Vampires
The following quests reward you with potions of blood: