Adderall

This potion glows with a bright blue light and looks almost like liquid lightning. 

• For the next hour you have heightened senses which grants you:
• Advantage on: 
• Intelligence/Wisdom based checks
• Initiative rolls and Dexterity Saving Throws.
• Concentration Checks/Saving Throws
• Disadvantage on: 
• Charisma based checks. 
• You talk so fast you jumble words and don’t make any sense
• Tool checks, slight of hand, and stealth.
• You become incredibly jittery and your hands shake.
• For 24 hours you do not get the benefits of long or short rests. During each rest the party takes, the player must roll a D4.
• Roll a 1: 
• You spend your time obsessively cleaning and organizing everything in sight. 
• Roll a 2:
• You spend your time making an elaborate conspiracy theory board. 
• Any time you talk to an NPC for 2 game sessions, you must roll a DC 12 Insight check or attempt to wildly explain your conspiracy theory to them.
• Roll a 3:
• You have a  flight of creativity. You spend your time writing “The Greatest Novel/Song Ever Written.” You are in a fugue state during this time and are not aware of anything going on around you. 
• Your jittery penmanship is completely illegible and you have only fleeting memories of what your book/song was about. 
• You now have a burning obsession with trying to decipher what you wrote.
• If this happens in the wild, roll a d20. 
• Roll a 4:
• The player effectively channels their energy and becomes one with the universe for the duration of the rest. They are unaware of their surroundings. 
• At the end of their time, they create one uncommon magic item of their choice. They only have vague recollections of the experience.

Notes: Advantage: Ability Checks, Advantage: Ability Checks, Advantage: Constitution Saving Throws, Disadvantage: Charisma Ability Checks, Disadvantage: Sleight of Hand, Disadvantage: Stealth, Advantage: Initiative, Advantage: Dexterity Saving Throws