To reap the benefits of the below upgrades, you'll need to visit any of the many Gatherer's Garden vending machines scattered throughout Rapture. Be prepared to spend your hard-earned Adam to get them, though.
Combat Tonic Slot
Combat Tonics help you deal and resist damage, and more slots allow you to make use of more of them at once.
This upgrade will cost you 80 Adam.
Engineering Tonic Slot
Engineering Tonics improve your ability to hack or otherwise use machines, and more slots allow you to make use of more of them at once.
This upgrade will cost you 80 Adam.
EVE Upgrade
Take this upgrade to permanently increase the maximum amount of EVE at your disposal.
This upgrade will cost you 80 Adam.
Health Upgrade
Take this upgrade to permanently increase your character's maximum health.
This upgrade will cost you 80 Adam.
Physical Tonic Slot
Physical Tonics make you stronger and more powerful, and more slots allow you to make use of more of them at once.
This upgrade will cost you 80 Adam.
Plasmid Slot
Plasmids give you incredible powers, and more slots allow you to assign more of them at any given time.
