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Restores health to you and your nearby teammates.— Plan description

Recipe: Stimpak diffuser is a plan in Fallout 76, introduced in the Wild Appalachia update.


May be awarded upon successful completion of the Project Paradise event. The award chance is dependent on the number of animals alive and which other plans from the event are known as follows:

Known plans Award chance
Bear Arm All 4 Nuclear Winter plans 1 animal alive 2 animals alive 3 animals alive
No No 0% 0% 10%
Yes No 0% 0% 9.1%
No Yes 0% 0% 16.7%
Yes Yes 0% 0% 14.3%


This plan unlocks crafting of the stimpak diffuser at a chemistry station.


  • This plan displays irregularly higher in the Pip-Boy screen than other plans. It also appears larger than other plans while in the inspect screen.
  • Before Fallout 76 patch the recipe was named "Plan: Stimpak Diffuser" instead of "Recipe: Stimpak Diffuser."