diff --git a/code/modules/mob/living/living.dm b/code/modules/mob/living/living.dm
index 8ab2b44865f..b35556903f2 100644
--- a/code/modules/mob/living/living.dm
+++ b/code/modules/mob/living/living.dm
@@ -404,6 +404,7 @@
 		if(C.reagents)
 			C.reagents.clear_reagents()
 			QDEL_LIST(C.reagents.addiction_list)
+			C.reagents.addiction_threshold_accumulated.Cut()
 
 // rejuvenate: Called by `revive` to get the mob into a revivable state
 // the admin "rejuvenate" command calls `revive`, not this proc.
diff --git a/code/modules/reagents/chemistry/holder.dm b/code/modules/reagents/chemistry/holder.dm
index 28c6c0eaf8a..ab9f633a43a 100644
--- a/code/modules/reagents/chemistry/holder.dm
+++ b/code/modules/reagents/chemistry/holder.dm
@@ -11,6 +11,7 @@ var/const/INGEST = 2
 	var/atom/my_atom = null
 	var/chem_temp = T20C
 	var/list/datum/reagent/addiction_list = new/list()
+	var/list/addiction_threshold_accumulated = new/list()
 	var/flags
 	var/list/reagents_generated_per_cycle = new/list()
 
@@ -233,6 +234,15 @@ var/const/INGEST = 2
 	if(M)
 		temperature_reagents(M.bodytemperature - 30)
 
+
+	if(LAZYLEN(addiction_threshold_accumulated))
+		for(var/thing in addiction_threshold_accumulated)
+			if(has_reagent(thing))
+				continue // if we have the reagent in our system, then don't deplete the addiction threshold
+			addiction_threshold_accumulated[thing] -= 0.01 // Otherwise very slowly deplete the buildup
+			if(addiction_threshold_accumulated[thing] <= 0)
+				addiction_threshold_accumulated -= thing
+
 	// a bitfield filled in by each reagent's `on_mob_life` to find out which states to update
 	var/update_flags = STATUS_UPDATE_NONE
 	for(var/A in reagent_list)
@@ -291,17 +301,21 @@ var/const/INGEST = 2
 			if(R.addiction_stage < 5)
 				if(prob(5))
 					R.addiction_stage++
-			switch(R.addiction_stage)
-				if(1)
-					update_flags |= R.addiction_act_stage1(M)
-				if(2)
-					update_flags |= R.addiction_act_stage2(M)
-				if(3)
-					update_flags |= R.addiction_act_stage3(M)
-				if(4)
-					update_flags |= R.addiction_act_stage4(M)
-				if(5)
-					update_flags |= R.addiction_act_stage5(M)
+			if(M.reagents.has_reagent(R.id))
+				R.last_addiction_dose = world.timeofday
+				R.addiction_stage = 1
+			else
+				switch(R.addiction_stage)
+					if(1)
+						update_flags |= R.addiction_act_stage1(M)
+					if(2)
+						update_flags |= R.addiction_act_stage2(M)
+					if(3)
+						update_flags |= R.addiction_act_stage3(M)
+					if(4)
+						update_flags |= R.addiction_act_stage4(M)
+					if(5)
+						update_flags |= R.addiction_act_stage5(M)
 			if(prob(20) && (world.timeofday > (R.last_addiction_dose + ADDICTION_TIME))) //Each addiction lasts 8 minutes before it can end
 				to_chat(M, "<span class='notice'>You no longer feel reliant on [R.name]!</span>")
 				addiction_list.Remove(R)
diff --git a/code/modules/reagents/chemistry/reagents.dm b/code/modules/reagents/chemistry/reagents.dm
index 05967be04ca..a9350961357 100644
--- a/code/modules/reagents/chemistry/reagents.dm
+++ b/code/modules/reagents/chemistry/reagents.dm
@@ -20,6 +20,9 @@
 	var/can_synth = TRUE //whether or not a mech syringe gun and synthesize this reagent
 	var/overdose_threshold = 0
 	var/addiction_chance = 0
+	var/addiction_chance_additional = 100 // If we want to lower the chance of addiction even more, set this
+	var/addiction_threshold = 0 // How much of a chem do we have to absorb before we can start rolling for its ill effects?
+	var/minor_addiction = FALSE
 	var/addiction_stage = 1
 	var/last_addiction_dose = 0
 	var/overdosed = FALSE // You fucked up and this is now triggering it's overdose effects, purge that shit quick.
@@ -53,12 +56,7 @@
 			var/can_become_addicted = M.reagents.reaction_check(M, src)
 
 			if(can_become_addicted)
-				if(prob(addiction_chance) && !is_type_in_list(src, M.reagents.addiction_list))
-					to_chat(M, "<span class='danger'>You suddenly feel invigorated and guilty...</span>")
-					var/datum/reagent/new_reagent = new type()
-					new_reagent.last_addiction_dose = world.timeofday
-					M.reagents.addiction_list.Add(new_reagent)
-				else if(is_type_in_list(src, M.reagents.addiction_list))
+				if(is_type_in_list(src, M.reagents.addiction_list))
 					to_chat(M, "<span class='notice'>You feel slightly better, but for how long?</span>")
 					for(var/A in M.reagents.addiction_list)
 						var/datum/reagent/AD = A
@@ -75,9 +73,24 @@
 
 /datum/reagent/proc/on_mob_life(mob/living/M)
 	current_cycle++
-	holder.remove_reagent(id, metabolization_rate * M.metabolism_efficiency * M.digestion_ratio) //By default it slowly disappears.
+	var/total_depletion_rate = metabolization_rate * M.metabolism_efficiency * M.digestion_ratio // Cache it
+
+	handle_addiction(M, total_depletion_rate)
+
+	holder.remove_reagent(id, total_depletion_rate) //By default it slowly disappears.
 	return STATUS_UPDATE_NONE
 
+/datum/reagent/proc/handle_addiction(mob/living/M, consumption_rate)
+	if(addiction_chance && !is_type_in_list(src, M.reagents.addiction_list))
+		M.reagents.addiction_threshold_accumulated[id] += consumption_rate
+		var/current_threshold_accumulated = M.reagents.addiction_threshold_accumulated[id]
+
+		if(addiction_threshold < current_threshold_accumulated && prob(addiction_chance) && prob(addiction_chance_additional))
+			to_chat(M, "<span class='danger'>You suddenly feel invigorated and guilty...</span>")
+			var/datum/reagent/new_reagent = new type()
+			new_reagent.last_addiction_dose = world.timeofday
+			M.reagents.addiction_list.Add(new_reagent)
+
 /datum/reagent/proc/on_mob_death(mob/living/M)	//use this to have chems have a "death-triggered" effect
 	return
 
@@ -139,6 +152,8 @@
 		M.emote("twitch_s")
 	if(prob(8))
 		M.emote("shiver")
+	if(prob(4))
+		to_chat(M, "<span class='warning'>Your head hurts.</span>")
 	if(prob(4))
 		to_chat(M, "<span class='warning'>You begin craving [name]!</span>")
 	return STATUS_UPDATE_NONE
@@ -147,23 +162,32 @@
 	if(prob(8))
 		M.emote("twitch")
 	if(prob(4))
-		to_chat(M, "<span class='warning'>You have the strong urge for some [name]!</span>")
+		to_chat(M, "<span class='warning'>You have a pounding headache.</span>")
 	if(prob(4))
+		to_chat(M, "<span class='warning'>You have the strong urge for some [name]!</span>")
+	else if(prob(4))
 		to_chat(M, "<span class='warning'>You REALLY crave some [name]!</span>")
 	return STATUS_UPDATE_NONE
 
 /datum/reagent/proc/addiction_act_stage5(mob/living/M)
 	var/update_flags = STATUS_UPDATE_NONE
+	if(minor_addiction)
+		if(prob(6))
+			M.AdjustSlowed(3)
+			to_chat(M, "<span class='warning'>You feel [pick("tired", "exhausted", "sluggish")].</span>")
+	else
+		if(prob(6))
+			to_chat(M, "<span class='warning'>Your stomach lurches painfully!</span>")
+			M.visible_message("<span class='warning'>[M] gags and retches!</span>")
+			update_flags |= M.Stun(rand(2,4), FALSE)
+			update_flags |= M.Weaken(rand(2,4), FALSE)
 	if(prob(8))
-		M.emote("twitch")
-	if(prob(6))
-		to_chat(M, "<span class='warning'>Your stomach lurches painfully!</span>")
-		M.visible_message("<span class='warning'>[M] gags and retches!</span>")
-		update_flags |= M.Stun(rand(2,4), FALSE)
-		update_flags |= M.Weaken(rand(2,4), FALSE)
+		M.emote(pick("twitch", "twitch_s", "shiver"))
+	if(prob(4))
+		to_chat(M, "<span class='warning'>Your head is killing you!</span>")
 	if(prob(5))
 		to_chat(M, "<span class='warning'>You feel like you can't live without [name]!</span>")
-	if(prob(5))
+	else if(prob(5))
 		to_chat(M, "<span class='warning'>You would DIE for some [name] right now!</span>")
 	return update_flags
 
diff --git a/code/modules/reagents/chemistry/reagents/alcohol.dm b/code/modules/reagents/chemistry/reagents/alcohol.dm
index d4d2bbe2d88..09db14a3460 100644
--- a/code/modules/reagents/chemistry/reagents/alcohol.dm
+++ b/code/modules/reagents/chemistry/reagents/alcohol.dm
@@ -6,6 +6,8 @@
 	reagent_state = LIQUID
 	nutriment_factor = 0 //So alcohol can fill you up! If they want to.
 	color = "#404030" // rgb: 64, 64, 48
+	addiction_chance = 1
+	addiction_threshold = 10
 	var/dizzy_adj = 3
 	var/alcohol_perc = 1 //percentage of ethanol in a beverage 0.0 - 1.0
 	taste_description = "liquid fire"
diff --git a/code/modules/reagents/chemistry/reagents/drinks.dm b/code/modules/reagents/chemistry/reagents/drinks.dm
index 6298e79d71d..a5a433b5ffe 100644
--- a/code/modules/reagents/chemistry/reagents/drinks.dm
+++ b/code/modules/reagents/chemistry/reagents/drinks.dm
@@ -276,7 +276,10 @@
 	adj_sleepy = -2
 	adj_temp_hot = 25
 	overdose_threshold = 45
-	addiction_chance = 1 // It's true.
+	addiction_chance = 2 // It's true.
+	addiction_chance_additional = 20
+	addiction_threshold = 10
+	minor_addiction = TRUE
 	heart_rate_increase = 1
 	drink_icon = "glass_brown"
 	drink_name = "Glass of coffee"
@@ -367,6 +370,10 @@
 	adj_drowsy = -1
 	adj_sleepy = -3
 	adj_temp_hot = 20
+	addiction_chance = 1
+	addiction_chance_additional = 1
+	addiction_threshold = 10
+	minor_addiction = TRUE
 	drink_icon = "glass_brown"
 	drink_name = "Glass of Tea"
 	drink_desc = "A glass of hot tea. Perhaps a cup with a handle would have been smarter?"
diff --git a/code/modules/reagents/chemistry/reagents/drugs.dm b/code/modules/reagents/chemistry/reagents/drugs.dm
index 1e2099a901b..2a265e71709 100644
--- a/code/modules/reagents/chemistry/reagents/drugs.dm
+++ b/code/modules/reagents/chemistry/reagents/drugs.dm
@@ -35,7 +35,8 @@
 	reagent_state = LIQUID
 	color = "#9087A2"
 	metabolization_rate = 0.2
-	addiction_chance = 65
+	addiction_chance = 15
+	addiction_threshold = 10
 	heart_rate_decrease = 1
 	taste_description = "a synthetic high"
 
@@ -88,7 +89,9 @@
 	reagent_state = LIQUID
 	color = "#60A584" // rgb: 96, 165, 132
 	overdose_threshold = 35
-	addiction_chance = 70
+	addiction_chance = 15
+	addiction_threshold = 10
+	minor_addiction = TRUE
 	heart_rate_increase = 1
 	taste_description = "calm"
 
@@ -154,7 +157,8 @@
 	reagent_state = LIQUID
 	color = "#60A584" // rgb: 96, 165, 132
 	overdose_threshold = 20
-	addiction_chance = 50
+	addiction_chance = 10
+	addiction_threshold = 5
 	taste_description = "bitterness"
 
 /datum/reagent/crank/on_mob_life(mob/living/M)
@@ -227,7 +231,8 @@
 	reagent_state = LIQUID
 	color = "#0264B4"
 	overdose_threshold = 20
-	addiction_chance = 50
+	addiction_chance = 10
+	addiction_threshold = 10
 	taste_description = "very poor life choices"
 
 
@@ -299,7 +304,8 @@
 	reagent_state = LIQUID
 	color = "#60A584" // rgb: 96, 165, 132
 	overdose_threshold = 20
-	addiction_chance = 60
+	addiction_chance = 10
+	addiction_threshold = 5
 	metabolization_rate = 0.6
 	heart_rate_increase = 1
 	taste_description = "speed"
@@ -360,7 +366,8 @@
 	reagent_state = SOLID
 	color = "#FAFAFA"
 	overdose_threshold = 20
-	addiction_chance = 80
+	addiction_chance = 15
+	addiction_threshold = 5
 	metabolization_rate = 0.6
 	taste_description = "WAAAAGH"
 
@@ -460,7 +467,8 @@
 	description = "Jenkem is a prison drug made from fermenting feces in a solution of urine. Extremely disgusting."
 	reagent_state = LIQUID
 	color = "#644600"
-	addiction_chance = 30
+	addiction_chance = 5
+	addiction_threshold = 5
 	taste_description = "the inside of a toilet... or worse"
 
 /datum/reagent/jenkem/on_mob_life(mob/living/M)
@@ -526,7 +534,9 @@
 	metabolization_rate = 0.2
 	overdose_threshold = 15
 	process_flags = ORGANIC | SYNTHETIC		//Flipping for everyone!
-	addiction_chance = 10
+	addiction_chance = 1
+	addiction_chance_additional = 20
+	addiction_threshold = 10
 	taste_description = "flips"
 
 /datum/reagent/fliptonium/on_mob_life(mob/living/M)
@@ -631,7 +641,8 @@
 	color = "#1BB1FF"
 	process_flags = SYNTHETIC
 	overdose_threshold = 20
-	addiction_chance = 60
+	addiction_chance = 10
+	addiction_threshold = 5
 	metabolization_rate = 0.6
 	taste_description = "wiper fluid"
 
@@ -684,7 +695,8 @@
 
 	process_flags = SYNTHETIC
 	overdose_threshold = 20
-	addiction_chance = 50
+	addiction_chance = 10
+	addiction_threshold = 5
 	taste_description = "silicon"
 
 
diff --git a/code/modules/reagents/chemistry/reagents/food.dm b/code/modules/reagents/chemistry/reagents/food.dm
index 5353dc54b88..f668807c1c5 100644
--- a/code/modules/reagents/chemistry/reagents/food.dm
+++ b/code/modules/reagents/chemistry/reagents/food.dm
@@ -149,6 +149,10 @@
 	description = "This is what makes chilis hot."
 	reagent_state = LIQUID
 	color = "#B31008" // rgb: 179, 16, 8
+	addiction_chance = 1
+	addiction_chance_additional = 10
+	addiction_threshold = 2
+	minor_addiction = TRUE
 	taste_description = "<span class='warning'>HOTNESS</span>"
 	taste_mult = 1.5
 
@@ -651,6 +655,10 @@
 	reagent_state = LIQUID
 	color = "#B2B139"
 	overdose_threshold = 50
+	addiction_chance = 2
+	addiction_chance_additional = 10
+	addiction_threshold = 5
+	minor_addiction = TRUE
 	harmless = FALSE
 	taste_description = "cheese?"
 
@@ -667,7 +675,10 @@
 	description = "Hell, I don't even know if this IS cheese. Whatever it is, it ain't normal. If you want to, pour it out to make it solid."
 	reagent_state = SOLID
 	color = "#50FF00"
-	addiction_chance = 5
+	addiction_chance = 1
+	addiction_chance_additional = 10
+	addiction_threshold = 5
+	minor_addiction = TRUE
 	taste_description = "cheeeeeese...?"
 
 /datum/reagent/consumable/weird_cheese/on_mob_life(mob/living/M)
diff --git a/code/modules/reagents/chemistry/reagents/medicine.dm b/code/modules/reagents/chemistry/reagents/medicine.dm
index c297716c1a7..8014238d9b3 100644
--- a/code/modules/reagents/chemistry/reagents/medicine.dm
+++ b/code/modules/reagents/chemistry/reagents/medicine.dm
@@ -6,7 +6,11 @@
 
 /datum/reagent/medicine/on_mob_life(mob/living/M)
 	current_cycle++
-	holder.remove_reagent(id, (metabolization_rate / M.metabolism_efficiency) * M.digestion_ratio) //medicine reagents stay longer if you have a better metabolism
+	var/total_depletion_rate = (metabolization_rate / M.metabolism_efficiency) * M.digestion_ratio // Cache it
+
+	handle_addiction(M, total_depletion_rate)
+
+	holder.remove_reagent(id, total_depletion_rate) //medicine reagents stay longer if you have a better metabolism
 	return STATUS_UPDATE_NONE
 
 /datum/reagent/medicine/hydrocodone
@@ -293,7 +297,9 @@
 	color = "#C8A5DC"
 	metabolization_rate = 0.2
 	overdose_threshold = 30
-	addiction_chance = 5
+	addiction_chance = 1
+	addiction_chance_additional = 20
+	addiction_threshold = 5
 	harmless = FALSE
 	taste_description = "health"
 
@@ -440,7 +446,9 @@
 	reagent_state = LIQUID
 	color = "#C8A5DC"
 	metabolization_rate = 0.2
-	addiction_chance = 20
+	addiction_chance = 1
+	addiction_chance_additional = 20
+	addiction_threshold = 10
 	harmless = FALSE
 	taste_description = "oxygenation"
 
@@ -462,7 +470,9 @@
 	color = "#C8A5DC"
 	metabolization_rate = 0.3
 	overdose_threshold = 35
-	addiction_chance = 25
+	addiction_chance = 1
+	addiction_chance = 10
+	addiction_threshold = 10
 	harmless = FALSE
 	taste_description = "stimulation"
 
@@ -512,7 +522,8 @@
 	description = "Anti-allergy medication. May cause drowsiness, do not operate heavy machinery while using this."
 	reagent_state = LIQUID
 	color = "#5BCBE1"
-	addiction_chance = 10
+	addiction_chance = 1
+	addiction_threshold = 10
 	harmless = FALSE
 	taste_description = "antihistamine"
 
@@ -535,7 +546,8 @@
 	reagent_state = LIQUID
 	color = "#C8A5DC"
 	overdose_threshold = 20
-	addiction_chance = 50
+	addiction_chance = 10
+	addiction_threshold = 15
 	shock_reduction = 50
 	harmless = FALSE
 	taste_description = "a delightful numbing"
@@ -883,7 +895,9 @@
 	description = "This experimental plasma-based compound seems to regulate body temperature."
 	reagent_state = LIQUID
 	color = "#D782E6"
-	addiction_chance = 20
+	addiction_chance = 1
+	addiction_chance_additional = 10
+	addiction_threshold = 10
 	overdose_threshold = 50
 	taste_description = "warmth and stability"