To complete this quest, you will need to mix:
3500 Body Restoration Potions
3500 Potions of Spirit Restoration
1000 Feasting potions
To finish the quest, you will need to trade all the items to the supervisor. You will get all the Potions of Spirit Restoration, all the Feasting potions and half the Body Restoration Potions back as a reward.
Remember, you must trade all the items to receive the reward.