“ Created before the war as a general performance enhancer, X-Cell never got out of the prototype stage, but was widely distributed on the black market. It boosts every SPECIAL attribute for a limited period of time, but is highly addictive. ” — Loading screen hint
X-cell is a very rare consumable item in .
Created before the war as a general performance enhancer, X-cell never got out of the prototype stage, but was widely distributed on the black market.
It appears to be some sort of inhaler, and boosts all
SPECIAL attributes by two points for two minutes, but is  highly addictive.
Concord Speakeasy, two may be found in an upstairs bedroom, next to the bed with the skeleton lying on it.
Fens Street sewer, in the first room, across the water, tucked behind a grey pipe and a blue pipe.
Harbormaster hotel, on the roof, under the counter of the bar.
Diamond City, sold at Diamond City Surplus and Solomon's Chem-I-Care (both rare).
Goodneighbor, rarely sold at Daisy's Discounts.
Railroad HQ, rarely sold by Doctor Carrington.
The Prydwen, rarely sold by Knight-Captain Cade.
fo4vw Vault 88, in the store at the end of the northeast section. Found by going up a dead-end staircase and looking right, it is behind the head of a partially-buried statue wearing a sea captain's hat.
fo4nw Fun House - In the room with a house turned every-which way, look up in the bathroom and jump toward the mirror, it'll be a split second so you'll have to be quick.
fo4nw Nuka-Cade, prize level 5 for 3,000 Nuka-Cade tickets (items rotate every couple of days).
Behind the scenes Edit
The following is based on unverified behind the scenes information and has not been confirmed by canon sources.
X-cell is play on words of the word "excel."
End of information based on unverified behind the scenes information.
Vault Dweller's Survival Guide
Chems Addictol · Agile sludgepak · Buffout ( Buffjet, Bufftats) · Calmex ( ) Calmex Silk · Daddy-O · Day Tripper · Durable sludgepak · Fury · Herbal anodyne · Herbal stimulant · Herbal antimicrobial · Jet ( Jet Fuel, Ultra jet) · Med-X · Mentats ( Grape Mentats, Berry Mentats, Orange Mentats) · Mysterious serum · Overdrive · Psycho ( Psycho jet, Psychobuff, Psychotats) · Rad-X · Smooth Operator · Stimpak · Vault 81 cure · X-cell · X-111 compound Drinks Beer · Bobrov's Best moonshine · Bourbon · Deezer's Lemonade · Dirty Wastelander · Dirty water · Drugged water · Fire Belly · Gwinnett ale, brew, lager, pale, pilsner, stout · ( Ice cold Vim , Ice cold Vim Captain's Blend , Ice cold Vim Quartz ) Ice cold Vim Refresh · Institute bottled water · Nuka-Cola ( , Newka-Cola , Nuka-Berry , Nuka-Bombdrop , Nuka-Buzz Nuka-Cherry, , Nuka-Cide , Nuka-Cola Dark , Nuka-Cola Orange Nuka-Cola Quantum, , Nuka-Cola Quartz , Nuka-Cola Victory , Nuka-Cola Wild , Nuka-Cooler , Nuka-Fancy , Nuka-Free , Nuka-Frutti , Nuka-Grape , Nuka-Hearty , Nuka-Lixir , Nuka-Love , Nuka-Power , Nuka-Punch , Nuka-Ray , Nuka-Rush , Nuka-Sunrise , Nuka-Twin , Nuka-Void ) Nuka-Xtreme · Purified water · Refreshing beverage · Resilient sludge cocktail · Rum · Strong sludge cocktail · ( Vim , Vim Captain's Blend , Vim Quartz ) Vim Refresh · Vodka · Ware's brew · Whiskey · Wine ( Poisoned wine) Edibles Angler meat · Ant meat · Angler stalk cut · Aster · Baked bloatfly · Black bloodleaf · Blamco Brand Mac and Cheese · Blight · Bloodworm meat · Brahmin meat · Bubblegum · Canned dog food · Canned meat · Carrot · Carrot flower · Cat meat · Cave cricket gland · Cave cricket meat · Cave fungus · Chicken noodle soup · Chicken thigh · Corn · Cotton candy bites · Cram · Crispy cave cricket · Crispy squirrel bits · Dandy Boy Apples · Deathclaw meat · Deathclaw egg omelette · Deathclaw steak · Deathclaw Wellingham · Fancy Lads Snack Cakes · Fever blossom · Fried fog crawler · Funnel cake · Gatorclaw meat · Gatorclaw steak · Gazelle meat · Gazelle steak · Ghoulrilla meat · Glowing fungus · Gourd · Gourd blossom · Grilled Nukalurk · Grilled queen Nukalurk · Grilled radroach · Grilled radstag · Gulper innards · Gulper slurry · Gum drops · Hermit crab meat · Hubflower · Iguana bits · Iguana on a stick · InstaMash ( Preserved InstaMash) · Institute food packet · Melon · Melon blossom · Mirelurk cake · Mirelurk egg omelette · Mirelurk jerky · Mirelurk meat · Mirelurk queen steak · Moldy food · Mole rat chunks · Mole rat meat · Mongrel dog meat · Mutant hound chops · Mutt chops · Mystery bacon · Mystery jerky · Noodle cup · Nukalurk meat · Perfectly preserved pie · Poached angler · Potato Crisps · Potted meat · Queen mirelurk meat · Queen Nukalurk meat · Rabbit leg · Rad-rat meat · Rad-rat steak · Radroach meat · Radscorpion egg omelette · Radscorpion meat · Radscorpion steak · Radstag meat · Radstag stew · Raw fog crawler meat · Raw sap · Ribeye steak · Roasted ant · Roasted bloodworm · Roasted mirelurk meat · Salisbury Steak · Seasoned rabbit skewers · Silt bean · Slocum's Buzzbites · Squirrel on a stick · Squirrel stew · Stingwing filet · Stingwing meat · Sugar Bombs · Sweet roll · Tarberry · Tato · Tato flower · The Captain's Feast · Thistle · Wild corn · Wild mutfruit · Wild tarberry · Wolf meat · Wolf ribs · Yao guai ribs · Yao guai roast · Yum Yum Deviled Eggs Miscellaneous Blood pack ( , Glowing blood pack Irradiated blood) · RadAway · Robot repair kit · Stealth Boy ( Railroad Stealth Boy)