EVE Expert is a Gene Tonic in BioShock 2. It increases the player's EVE Hypo carrying capacity by one. When carrying six EVE Hypos, the player can swap out this tonic for another without losing the extra hypo. The same applies to Medical Expert.

EVE Expert

Minerva's Den Edit

Can be purchased for 50 ADAM in Gatherer's Gardens onward the first machine in Operations.