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For an overview of Calmex, see Calmex.

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Calmex silk is a consumable item in the Fallout 4 add-on Nuka-World.


This drug is identical in appearance to regular Calmex but gives +3 luck in addition to the bonuses from basic Calmex.



Calmex silk is only available from Maddox in the Nuka-Town market, after giving him ten pieces of bloodworm meat. He will not give the player character a quest to retrieve it for him, simply approach him with the meat in the inventory, and the "Unsure" option will be replaced with "Give Bloodworm Meat." He will tell one to check back with him later. The Calmex Silk will be available after traveling outside of Nuka-Town USA or traveling to an interior cell, after which Maddox will restock Calmex Silk each time after leaving and re-entering the Nuka-Town Market.


Like all addictive chems, when Survival mode is active, this item increases thirst by 125 points and raises the disease risk by 7% at the next disease check.