You may suffer a medical condition that means you produce a higher blood volume, or suffer from a thickening of the blood caused by too many red blood cells. Or your condition may be completely mystical and never show up under a microscope.
However it manifests, you produce extra Vitae when a Kindred drinks from you.
Prerequisite: Human
Effect: For every point of lethal damage caused by feeding, Kindred gain two Vitae from your character.