diff --git a/Resources/Changelog/Offbrand.yml b/Resources/Changelog/Offbrand.yml
index f51a59e33c..2db4516c94 100644
--- a/Resources/Changelog/Offbrand.yml
+++ b/Resources/Changelog/Offbrand.yml
@@ -95,4 +95,14 @@ Entries:
     type: Add
   id: 6
   time: '2025-10-03T22:00:00.0000000+00:00'
+- author: sowelipililimute
+  changes:
+  - message: The simulation of the cardiovascular system has been overhauled! The new system is more granular and based on a more physiologically accurate model than before.
+    type: Tweak
+  - message: Tourniquets now consistently use the new behaviour of being persistent effects.
+    type: Fix
+  - message: Tourniquets now bruise the target slightly more.
+    type: Tweak
+  id: 7
+  time: '2025-10-08T22:00:00.0000000+00:00'
 Order: 2
diff --git a/Resources/Prototypes/Catalog/Fills/Backpacks/duffelbag.yml b/Resources/Prototypes/Catalog/Fills/Backpacks/duffelbag.yml
index 95cd04bb9b..c3eb185892 100644
--- a/Resources/Prototypes/Catalog/Fills/Backpacks/duffelbag.yml
+++ b/Resources/Prototypes/Catalog/Fills/Backpacks/duffelbag.yml
@@ -317,7 +317,7 @@
       - id: DefibrillatorSyndicate
       - id: MedkitCombatFilled
         amount: 4
-      - id: Tourniquet
+      - id: TourniquetOffbrand # Offbrand
         amount: 4
       - id: CombatMedipen
         amount: 4
diff --git a/Resources/Prototypes/Catalog/VendingMachines/Inventories/gib.yml b/Resources/Prototypes/Catalog/VendingMachines/Inventories/gib.yml
index 304d2850ef..60856202aa 100644
--- a/Resources/Prototypes/Catalog/VendingMachines/Inventories/gib.yml
+++ b/Resources/Prototypes/Catalog/VendingMachines/Inventories/gib.yml
@@ -12,7 +12,7 @@
   contrabandInventory:
     ClothingNeckStethoscope: 2
     Saw: 2
-    Tourniquet: 3
+    TourniquetOffbrand: 3 # Offbrand
     DrinkChangelingStingCan: 2
   emaggedInventory:
     DrinkNukieCan: 2
diff --git a/Resources/Prototypes/Catalog/VendingMachines/Inventories/medical.yml b/Resources/Prototypes/Catalog/VendingMachines/Inventories/medical.yml
index c3a7f40539..5b5483f4de 100644
--- a/Resources/Prototypes/Catalog/VendingMachines/Inventories/medical.yml
+++ b/Resources/Prototypes/Catalog/VendingMachines/Inventories/medical.yml
@@ -40,7 +40,7 @@
     ChemistryBottleInaprovaline: 3 # Offbrand
     ChemistryBottleDylovene: 3 # Offbrand
     ChemistryBottleDexalin: 3 # Offbrand
-    Tourniquet: 2
+    TourniquetOffbrand: 2 # Offbrand
     Splints: 2 # Offbrand
     ChemistryBottleEpinephrine: 3
     ChemistryBottleBicaridine: 1
@@ -67,7 +67,7 @@
     Brutepack: 5
     Ointment: 4
     Bloodpack: 5
-    Tourniquet: 1
+    TourniquetOffbrand: 1 # Offbrand
     ChemistryBottleEpinephrine: 3
     Syringe: 5
     BoxBottle: 3
diff --git a/Resources/Prototypes/Catalog/VendingMachines/Inventories/sec.yml b/Resources/Prototypes/Catalog/VendingMachines/Inventories/sec.yml
index f612f65eca..a5f737e7c7 100644
--- a/Resources/Prototypes/Catalog/VendingMachines/Inventories/sec.yml
+++ b/Resources/Prototypes/Catalog/VendingMachines/Inventories/sec.yml
@@ -8,7 +8,7 @@
     ClusterBangFull: 2
     GrenadeStinger: 4
     Flash: 5
-    Tourniquet: 5
+    TourniquetOffbrand: 5 # Offbrand
     FlashlightSeclite: 5
     ClothingEyesGlassesSunglasses: 2
     ClothingEyesHudSecurity: 2
diff --git a/Resources/Prototypes/Entities/Markers/Spawners/Random/Department/security.yml b/Resources/Prototypes/Entities/Markers/Spawners/Random/Department/security.yml
index f5585a5e32..66dfe48b03 100644
--- a/Resources/Prototypes/Entities/Markers/Spawners/Random/Department/security.yml
+++ b/Resources/Prototypes/Entities/Markers/Spawners/Random/Department/security.yml
@@ -20,7 +20,7 @@
         - Handcuffs
         - Zipties
         - FlashlightSeclite
-        - Tourniquet
+        - TourniquetOffbrand # Offbrand
       chance: 0.85
 
 - type: entity
@@ -50,7 +50,7 @@
         - FlashlightSeclite
         - GrenadeFlashBang
         - SecurityWhistle
-        - Tourniquet
+        - TourniquetOffbrand # Offbrand
       chance: 0.85
  
 # Armory loot spawner
diff --git a/Resources/Prototypes/_Offbrand/status_effects.yml b/Resources/Prototypes/_Offbrand/status_effects.yml
index 3f03c0462c..ff833d842b 100644
--- a/Resources/Prototypes/_Offbrand/status_effects.yml
+++ b/Resources/Prototypes/_Offbrand/status_effects.yml
@@ -437,7 +437,7 @@
   - type: DamageOverTimeStatusEffect
     damages:
       types:
-        Blunt: 0.15
+        Blunt: 0.30
   - type: BleedMultiplierStatusEffect
     multiplier: 0.25
 
diff --git a/Resources/migration.yml b/Resources/migration.yml
index d05795def4..4c9ac6d0ae 100644
--- a/Resources/migration.yml
+++ b/Resources/migration.yml
@@ -728,3 +728,6 @@ BibleSatanic: null
 
 # 2025-10-8
 ClothingBeltAssault: ClothingBeltMilitaryWebbing
+
+# Offbrand
+Tourniquet: TourniquetOffbrand