Tru blood is a brand of synthetic bottled blood engineered by japanese scientists catering to the vampire population the release of tru blood was the main catalyst for the great revelation when vampires quotcame out of the coffinquot and revealed their existence to the world in hbos true blood this is an officially licensed productltbr gtltbr gtt shirt design reads tru blood true bloodltbr gtltbr gtour crew neck short sleeved mens t shirts are 100 premium cot