Finally, I have reached Crafting Level 5. I have verified the following potions:
Originally Posted by Angry Dave
[CR 5] Potion (DEX) | Speed Potion + Sinew
[CR 5] Potion (STR) | Minor Constitution Potion + Bone Dust


I still do not have any void essence so I could not verify:
Originally Posted by Angry Dave
[CR 5] Potion (INT) | Minor Perception Potion + Void Essence


I have also verified that the following formulas do not work. They should be deleted from the list. Maybe they worked during early development, but they do not work anymore:
Originally Posted by Angry Dave
[CR X] Potion (Reason) | Small Healing + Stardust plant
[CR X] Potion (Intimidation) | Farhangite + Minor healing potion
[CR X] Potion (Losing) | Fly Agaric Mushroom + Minor healing potion