Bioshock items

Just thought of something, if we could have Bioshock related things. Like being able to pick up Medkits and use them anytime like healthkits in Bioshock, and Batteries like Eve hypos…
Also, could we have tonics? Kinda like having a tonic that increases health, less damage from guns, melee, fire, etc; and adding more damage to your weapons.
Here is what the tonics can look like: