Serum

Serum may refer to:

• Serum 207, a Herblore potion used to temporarily cure the Afflicted
• Serum 208, a Herblore potion used to permanently cure the Afflicted (although the citizens of Mort'ton will always turn back to afflicted, certain important quest NPCs can be cured permanently)
• Sanfew serum, a potion made by and named after Sanfew