Jarrin Root

Where to find
Astrid will give you one after you've killed the Gourmet in the Dark Brotherhood quest chain. You are supposed to use it in the next quest, however you can save it and kill the target with weapons/magic, allowing you to keep the Jarrin Root for your own purposes.

Damage Health

 * Crimson Nirnroot *
 * Deathbell
 * Ectoplasm
 * Falmer Ear
 * Human Flesh
 * Human Heart *
 * Imp Stool
 * Nightshade *
 * Nirnroot *
 * Red Mountain Flower
 * River Betty
 * Skeever Tail
 * Small Antlers
 * Troll Fat
 * Void Salts

Damage Magicka

 * Butterfly Wing
 * Chaurus Eggs
 * Daedra Heart
 * Eye of Sabre Cat
 * Glow Dust *
 * Hagraven Feathers
 * Hanging Moss *
 * Human Heart *
 * Luna Moth Wing
 * Namira's Rot
 * Nordic Barnacle

Damage Stamina

 * Blisterwort
 * Blue Butterfly Wing *
 * Bone Meal
 * Canis Root
 * Crimson Nirnroot *
 * Cyrodilic Spadetail
 * Giant's Toe
 * Nirnroot *
 * Rock Warbler Egg
 * Spider Egg *

Damage Magicka Regen

 * Bear Claws
 * Blue Butterfly Wing *
 * Blue Mountain Flower
 * Chicken's Egg
 * Glow Dust *
 * Hanging Moss *
 * Human Heart *
 * Nightshade *
 * Spider Egg *
 * Spriggan Sap

* multiple effects

Корень жарницы (Skyrim)