Healing items are vital for survival. Green Herbs restore a small amount of health, while Red Herbs have no effect alone but combine with Green Herbs for a full heal. First Aid Sprays provide a full heal for both you and your partner. Flash Grenades stun organic enemies, making them vulnerable to melee. Incendiary Grenades deal fire damage, and Explosive Grenades deal raw damage. Always carry a mix of these.

Key Items:
- Green Herb: Small health recovery.
- Red Herb: No effect alone, combine with Green for full heal.
- First Aid Spray: Full health recovery for both players.
- Flash Grenade: Stuns organic enemies, useful for melee follow-ups.
- Incendiary Grenade: Deals fire damage, effective against certain B.O.W.s.
- Explosive Grenade: Deals area-of-effect damage.