Food Poisoning (1 dose and 10 hours Sleep, or 12-24 hours if untreated).Reishi Tea is used to treat the following Afflictions: Cooking Reishi Tea increases Cooking Skill. Consuming prepared Reishi Tea (even without treating an Affliction) restores 100 Calories, 30% Hydration and potentially grants the benefit ' Warming Up'. Reishi Tea functions similar to Antibiotics for treating Afflictions, and is cooked from one Prepared Reishi Mushrooms (two Reishi Mushroom) and 0.25 liters of potable water at a lit Fire.