Juice Up makes Stamina Cocktails restore more stamina right away and keep working for longer. It is a cheap Tier 1 Melee skill, but it only pays off if you craft and drink Stamina Cocktails.
It is a filler pick. Take it when you need a third Tier 1 skill to move up, or if you lean on cocktails in Horde fights.
Green Thumb and Hawkeyed. More plants means more cocktails to drink.
Drink one before you start running from a Horde. The longer duration keeps you sprinting through the chase.
Bull Rush
Lets a sprinting melee attack stun a regular human or a Swarmer.
Busted Up
Restores some stamina with each melee kill.
Escape Artist
Lets you kill a smaller enemy right after breaking out of its grapple.
Executioner
Lets you stealth attack heavy Freakers, and kill heavy Freakers or large animals when breaking a grapple.