Garlic
† Used for crating food, not in Alchemy.
Ghost Flame
Ghoul Heart
Ghoul's tongue
Giant Lichen
Skyrim
Weakness to Shock Ravage Health Weakness to Poison Restore Magicka
Giant scorpion stinger
Giant's blood
Giant's Toe
Skyrim
Damage Stamina Fortify Health Fortify Carry Weight Damage Stamina Regen
Gingko leaves
† Used for crating food, not in Alchemy.
Ginseng
† Used for crating food, not in Alchemy.
Girith's Guar Hide
Glacier Flower
Glacier Moss
Gleamblossom
Skyrim
Resist Magic Fear Regenerate Health Paralysis
Glow Dust
Oblivion
Restore Speed Light Reflect Spell Damage Health
Skyrim
Damage Magicka Damage Magicka Regen Fortify Destruction Resist Shock
Glowing Mushroom
Skyrim
Resist Shock Fortify Destruction Fortify Smithing Fortify Health
Gnarl Bark
Goblin Wax
Shadowkey
Increase Speed Damage Personality Damage Strength
Gold
†Gold Nuggets are not used for alchemy in Oblivion, but can be sold as loot. ‡Gold in Skyrim is also not used for alchemy, but can be used to craft jewelry.
Gold Kanet
Morrowind
Drain Health Burden Drain Luck Restore Strength
Golden poppy
Golden Sedge Flowers
Tribunal
Drain Magicka Fortify Strength Fortify Attack Swift Swim
Gorgon snake
Grahl Eyeball
Bloodmoon
Resist Frost Night Eye Drain Magicka Fortify Strength
Grapes
† Used for crating beverages, not in Alchemy.
Grass Pod
Skyrim
Resist Poison Ravage Magicka Fortify Alteration Restore Magicka
Gravedust
Morrowind
Drain Intelligence Cure Common Disease Drain Magicka Restore Endurance
Gravetar
Bloodmoon
Resist Frost Drain Health Fortify Fatigue Drain Luck
Gray Mushroom
Green berries
Green leaves
Green Lichen
Morrowind
Fortify Personality Cure Common Disease Drain Strength Drain Health
Green Stain Cup Cap
Oblivion
Restore Fatigue Damage Speed Reflect Damage Damage Health
Green Stain Shelf Cap
Oblivion
Restore Luck Fortify Luck Damage Fatigue Restore Health
Greenmote
Grummite Eggs
Gryphon's feather
Guar Hide
Morrowind
Drain Fatigue Fortify Endurance Restore Personality Fortify Luck