diff --git a/src/main/java/com/sk89q/worldguard/bukkit/FlagStateManager.java b/src/main/java/com/sk89q/worldguard/bukkit/FlagStateManager.java
index 48c55db8..9de0fb5b 100644
--- a/src/main/java/com/sk89q/worldguard/bukkit/FlagStateManager.java
+++ b/src/main/java/com/sk89q/worldguard/bukkit/FlagStateManager.java
@@ -87,7 +87,9 @@ public void run() {
             ApplicableRegionSet applicable = regionManager
                     .getApplicableRegions(playerLocation);
             
-            processHeal(applicable, player, state);
+            if (!RegionQueryUtil.isInvincible(plugin, player, applicable)) {
+                processHeal(applicable, player, state);
+            }
         }
     }
     
@@ -109,20 +111,25 @@ private void processHeal(ApplicableRegionSet applicable, Player player,
 
         Integer healAmount = applicable.getFlag(DefaultFlag.HEAL_AMOUNT);
         Integer healDelay = applicable.getFlag(DefaultFlag.HEAL_DELAY);
+        Integer minHealth = applicable.getFlag(DefaultFlag.MIN_HEAL);
+        Integer maxHealth = applicable.getFlag(DefaultFlag.MAX_HEAL);
         
         if (healAmount == null || healDelay == null || healAmount == 0 || healDelay < 0) {
             return;
         }
+        if (minHealth == null) minHealth = 0;
+        if (maxHealth == null) maxHealth = 20;
 
-        if (player.getHealth() >= 20 && healAmount > 0) {
+        if (player.getHealth() >= maxHealth && healAmount > 0) {
             return;
         }
         
-        if (healDelay <= 0 && healAmount > 0) {
-            player.setHealth(20);
+        if (healDelay <= 0) {
+            player.setHealth(healAmount > 0 ? maxHealth : minHealth); // this will insta-kill if the flag is unset
             state.lastHeal = now;
         } else if (now - state.lastHeal > healDelay * 1000) {
-            player.setHealth(Math.min(20, Math.max(0, player.getHealth() + healAmount)));
+            // clamp health between minimum and maximum
+            player.setHealth(Math.min(maxHealth, Math.max(minHealth, player.getHealth() + healAmount)));
             state.lastHeal = now;
         }
     }
diff --git a/src/main/java/com/sk89q/worldguard/protection/flags/DefaultFlag.java b/src/main/java/com/sk89q/worldguard/protection/flags/DefaultFlag.java
index e9e5f05c..14e047db 100644
--- a/src/main/java/com/sk89q/worldguard/protection/flags/DefaultFlag.java
+++ b/src/main/java/com/sk89q/worldguard/protection/flags/DefaultFlag.java
@@ -63,6 +63,8 @@ public final class DefaultFlag {
     public static final SetFlag<CreatureType> DENY_SPAWN = new SetFlag<CreatureType>("deny-spawn", new CreatureTypeFlag(null));
     public static final IntegerFlag HEAL_DELAY = new IntegerFlag("heal-delay");
     public static final IntegerFlag HEAL_AMOUNT = new IntegerFlag("heal-amount");
+    public static final IntegerFlag MIN_HEAL = new IntegerFlag("heal-min-health");
+    public static final IntegerFlag MAX_HEAL = new IntegerFlag("heal-max-health");
     public static final VectorFlag TELE_LOC = new VectorFlag("teleport");
     public static final RegionGroupFlag TELE_PERM = new RegionGroupFlag("teleport-group", RegionGroupFlag.RegionGroup.MEMBERS);
     public static final VectorFlag SPAWN_LOC = new VectorFlag("spawn");
@@ -73,13 +75,16 @@ public final class DefaultFlag {
     public static final SetFlag<String> ALLOWED_CMDS = new SetFlag<String>("allowed-cmds", new CommandStringFlag(null));
 
     public static final Flag<?>[] flagsList = new Flag<?>[] {
-        PASSTHROUGH, BUILD, PVP, MOB_DAMAGE, MOB_SPAWNING, CREEPER_EXPLOSION, SLEEP,
-        TNT, LIGHTER, FIRE_SPREAD, LAVA_FIRE, CHEST_ACCESS, WATER_FLOW, LAVA_FLOW,
-        USE, PLACE_VEHICLE, GREET_MESSAGE, FAREWELL_MESSAGE, NOTIFY_ENTER,
-        NOTIFY_LEAVE, DENY_SPAWN, HEAL_DELAY, HEAL_AMOUNT, TELE_LOC,
-        TELE_PERM, SPAWN_LOC, SPAWN_PERM, BUYABLE, PRICE, SNOW_FALL, LEAF_DECAY,
-        GHAST_FIREBALL, BLOCKED_CMDS, ALLOWED_CMDS, ENTRY, ENTRY_PERM, EXIT, EXIT_PERM,
-        INVINCIBILITY, SNOW_MELT, ICE_MELT, ICE_FORM, MUSHROOMS
+        PASSTHROUGH, BUILD, PVP, CHEST_ACCESS,
+        TNT, LIGHTER, USE, PLACE_VEHICLE, SLEEP,
+        MOB_DAMAGE, MOB_SPAWNING, DENY_SPAWN, CREEPER_EXPLOSION, GHAST_FIREBALL,
+        GREET_MESSAGE, FAREWELL_MESSAGE, NOTIFY_ENTER, NOTIFY_LEAVE,
+        EXIT, EXIT_PERM, ENTRY, ENTRY_PERM,
+        HEAL_AMOUNT, HEAL_DELAY, MIN_HEAL, MAX_HEAL, INVINCIBILITY,
+        SNOW_FALL, SNOW_MELT, ICE_FORM, ICE_MELT, MUSHROOMS, LEAF_DECAY,
+        FIRE_SPREAD,  LAVA_FIRE, LAVA_FLOW, WATER_FLOW,
+        TELE_LOC, TELE_PERM, SPAWN_LOC, SPAWN_PERM,
+        BLOCKED_CMDS, ALLOWED_CMDS, PRICE, BUYABLE,
     };
 
     static {