Gamersyndrome writes: Infusions are phials of potent formula which will boost your stats to a maximum of ten per phial. If you have the Early Bird Special Pack you will be able to use five bonus phials of infusion. Every time you find an infusion you will be able to upgrade of the three stats.
via N4G: pc news feed http://n4g.com/news/1252911/bioshock-infinite-infusions-guide-factory
via N4G: pc news feed http://n4g.com/news/1252911/bioshock-infinite-infusions-guide-factory