Survival

Healing: First Aid Kits, Fiber and Medical Gel routes

Craft an early 50-HP kit, harvest Medical Gel safely, and prepare for injury or a co-op revive.

Early Access 1.2 · Buddy System Hotfix 1, September 3 amendment · Updated 2026-09-12

The short answer

At the Fabricator, turn 2 Fibrous Pulp into 1 Fiber, then 1 Fiber into a Basic First Aid Kit. Published guides agree on 50 HP recovery. Retreat from the threat before using it.

Before you start

  • Survival Multitool for harvesting plants; access to a Fabricator.
  • Carry water, food and return oxygen alongside healing.

Make the first kit from nearby plants

Kingy’s supply example: a second spare kit requires another 2 Pulp through the same chain. Reserve those materials before making salad or Processor water.

  1. Cut Whip Gorgon beneath the Lifepod, or use the Feather Kelp cave about 100 m northwest. Macaron Sponge also supplies Fibrous Pulp.
  2. Collect at least 2 Fibrous Pulp and return to the Fabricator.
  3. Craft 1 Fiber, then use it for 1 Basic First Aid Kit.
  4. Place the kit within easy reach on the hotbar and check your health before starting another gathering loop.
Sources for this section

Harvest Medical Gel without triggering the plant

The resource route uses the alternate spelling “Medical Gel Sack.” This is the same central plant material. GameSpot reports that consuming it directly restores a small amount of health.

  1. Look for Acidic Raion in the cave under the Lifepod or the lower cave roughly 30 m east.
  2. Use the Multitool to remove the outer Acidic Raion Pouches first.
  3. Take the central green Medical Gel Sac only after the outer pouches are cleared. Taking the centre early releases acid.
  4. Return before your oxygen or health reserve becomes marginal.
Sources for this section

Compare healing recipes without assuming disputed HP

Enhanced Kit reports differ: GameWith lists 70 HP, while GameSpot lists 100 HP. Kingy excludes a fixed Enhanced recovery value from supply planning until current-build evidence resolves the difference.

Item / routeIngredients and stationRecovery evidence
Basic First Aid KitFabricator: 1 Fiber50 HP, agreed by GameWith and GameSpot.
Enhanced First Aid KitFabricator: 1 Fiber + 1 Medical Gel SacRecipe agrees; published HP values conflict. Check the current tooltip.
First Aid from Medical GelProcessor: 1 Medical Gel SacGameSpot reports a 50-HP alternative. Check the displayed recipe before processing.
Pavlova / Threemoon TemakiFabricator; see the food guideReported health recovery alongside food. Do not treat every meal as healing.
Sources for this section

Stop the damage before spending the next kit

If your only healing reserve is gone, Kingy recommends returning before another optional scan or deeper detour.

  1. Leave the creature, acid source or other damaging area and move toward a known refuge.
  2. Check oxygen, water and food as well as health. Correct an empty survival meter so damage does not continue after healing.
  3. Use a kit, inspect the resulting health, and decide whether the remaining supplies cover a safe return.
  4. After a co-op revive, reach safe oxygen first. Buddy System retains the revived player’s equipment but provides only a little oxygen.
Sources for this section

Your checklist

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Research checked 2026-09-12. This is a source-based guide; Kingy has not independently play-tested these steps. Evidence and coverage.

Independent fan guide. Subnautica 2 belongs to Unknown Worlds and KRAFTON. Game imagery from the official Subnautica website.