Esbern's Potion

{{item infobox
 * image = Ale.png
 * type = Food
 * slot =
 * damage =
 * armor =
 * weight = 0.5
 * value = 250
 * ingredients =
 * descr = Grants you the Dragon Infusion perk.

Found
}}
 * Given to the Dragonborn by Esbern in exchange for some Dragon Scales and Dragon Bone
 * id = 000e6df5

Esberns Zaubertrank