Ok so here's a list of the current potions from the Alchemy Desk (Sex Potions are not included here cos they are from the Chalice)
Augmentation
-These potions are all about augmenting the natural aspects of the character, making them more athletic, strong, durable/resistant in some capacity.
Destruction
These potions are about damage/harm. Currently there is only 1 potion, Poison, which is pretty good to have, especially in early game.
Restoration
These potions are essentially medicinal types that restore or cure something when consumed. Be it health, mana, energy or poison.
Supernatural
Theses ones give the character supernatural properties... sadly there is onlybthe one that lets us relive events. I feel there's wasted potential here.
Misc
These "potions" aren't really potions there just things you can craft for some odd jobs here & there...
For the Destruction one I think Explosive Oil could be a cool one. Instead of being consumed it would be thrown like the Holy Hand Grenades, exploding in a fiery AoE attack! Could be fun to use.
Also for Supernatural I though Invisibilty could be useful or perhaps Sleeping potion. I can think of some fun ways to use both in & out of combat.
Invisibilty:
-Could make MC invisible to the naked eye but touching an enemy will trigger combat.
-Could be useful if Tinkerer decides ro add more stealth sections in the future?
-Could be used to sneak up on certen opponents or even mess with LIs
Sleeping:
-Could be used to spike enemy drinking supplies (kegs, water ect) to put them to sleep. Especially if it's an impossible place to pass through otherwise.
-Can be used to put others to sleep so MC can complete a task or have some fun. An example I love is the idea if MC giving it to Jenny so she can spike Tom. Then he can visit at night & shag her next to Tom while he sleeps

-On a darker not it could be used to put LIs to sleep for some fun. Example would be if MC dosent have Phallus G & Frida wakes up he could just put her to sleep... this is a morally darker option so I doubt it's inclusion but I mention it anyway.
What about you guys? Any ideas for potions that could enhance the story if this game? I don't think they all have to be mission based rewards either, could just find some randomly like the Wither spell just being in a chest during Niger Arcana.