In ARC Raiders, Laboratory Reagents are rare Medical -type loot found mainly in Medical Zones, with a few hotspots that players consistently use for farming. They are needed to upgrade your Explosives Station to level 3, so you’ll usually want to farm them in focused runs rather than “hoping” to stumble across them.

Best farming locations

  • Hospital in Buried City
    • Only major area that’s purely classified as a Medical location, so almost all prioritized loot is medical-related, including Laboratory Reagents.
* Check cabinets, drawers, shelves, countertops, and chemical stands; reagents can spawn both in containers and loose on surfaces.
  • Testing Annex – Dam Battlegrounds
    • Marked as a Medical Zone and widely recommended as a top consistent farm spot.
* Focus on the back storage and upper floors, which often have dense clusters of medical crates, drawers, and shelves.
  • Pharmacy / Medical buildings in Plaza Rosa (Buried City)
    • Some guides highlight the Pharmacy in Plaza Rosa as one of the best reagent farms if you breach inside and thoroughly sweep the shelves.
* Others report poor or inconsistent reagent spawns there and note heavy ARC presence outside, so it can be risky and unreliable compared to Hospital or Testing Annex.

General tips to find Laboratory Reagents

  • Stick to Medical Zones
    • Laboratory Reagents only drop in Medical-tagged areas such as Hospital, Testing Annex, Research buildings, and pharmacies.
* On your map, prioritize locations with the medical icon whenever you are specifically farming reagents.
  • Learn spawn patterns
    • Look beyond just drawers; reagents can be on benches, lab tables, medical trolleys, and shelves, not only inside containers.
* Do deliberate sweeps: start floor by floor and clear all obvious surface spawns before spending time opening every small container.
  • Deal with competition
    • Hospital and some Buried City spots are highly contested, especially in trios, and are often looted very early in a match.
* If the main hotspot feels “dead” (doors already breached, containers empty), rotate quickly to secondary Medical Zones like Testing Annex rather than lingering.
  • Extract smart, repeat fast
    • You need three Laboratory Reagents for the Explosives Station level 3 upgrade, so plan short, targeted raids rather than long, unfocused runs.
* Once you’ve secured a couple of reagents, hit nearby extraction routes (lifts, tunnels, ziplines) and reset to another raid to reduce risk of losing them.

Information gathered from public forums or data available on the internet and portrayed here.