diff --git a/code/modules/mob/living/carbon/human/species/species.dm b/code/modules/mob/living/carbon/human/species/species.dm
index c3bb679b08..cb50cf6a0d 100644
--- a/code/modules/mob/living/carbon/human/species/species.dm
+++ b/code/modules/mob/living/carbon/human/species/species.dm
@@ -105,6 +105,8 @@
 		"Your chilly flesh stands out in goosebumps."
 		)
 
+	var/metabolic_rate = 1
+
 	// HUD data vars.
 	var/datum/hud_data/hud
 	var/hud_type
diff --git a/code/modules/reagents/Chemistry-Reagents.dm b/code/modules/reagents/Chemistry-Reagents.dm
index 64cbd4a32c..29d997cde5 100644
--- a/code/modules/reagents/Chemistry-Reagents.dm
+++ b/code/modules/reagents/Chemistry-Reagents.dm
@@ -19,6 +19,7 @@
 	var/list/data = null
 	var/volume = 0
 	var/metabolism = REM // This would be 0.2 normally
+	var/mrate_static = FALSE	//If the reagent should always process at the same speed, regardless of species, make this TRUE
 	var/ingest_met = 0
 	var/touch_met = 0
 	var/dose = 0
@@ -60,6 +61,8 @@
 	if(overdose && (volume > overdose) && (location != CHEM_TOUCH))
 		overdose(M, alien)
 	var/removed = metabolism
+	if(!mrate_static == TRUE)
+		removed *= M.species.metabolic_rate
 	if(ingest_met && (location == CHEM_INGEST))
 		removed = ingest_met
 	if(touch_met && (location == CHEM_TOUCH))
diff --git a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Core.dm b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Core.dm
index fcabfa811c..96aa1c238d 100644
--- a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Core.dm
+++ b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Core.dm
@@ -4,6 +4,7 @@
 	id = "blood"
 	reagent_state = LIQUID
 	metabolism = REM * 5
+	mrate_static = TRUE
 	color = "#C80000"
 
 	glass_name = "tomato juice"
@@ -75,6 +76,7 @@
 	id = "antibodies"
 	reagent_state = LIQUID
 	color = "#0050F0"
+	mrate_static = TRUE
 
 /datum/reagent/antibodies/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)
 	if(src.data)
@@ -89,6 +91,7 @@
 	reagent_state = LIQUID
 	color = "#0064C877"
 	metabolism = REM * 10
+	mrate_static = TRUE
 
 	glass_name = "water"
 	glass_desc = "The father of all refreshments."
diff --git a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Dispenser.dm b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Dispenser.dm
index 89837746c3..617fb31e58 100644
--- a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Dispenser.dm
+++ b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Dispenser.dm
@@ -12,6 +12,7 @@
 	reagent_state = SOLID
 	color = "#1C1300"
 	ingest_met = REM * 5
+	mrate_static = TRUE
 
 /datum/reagent/carbon/affect_ingest(var/mob/living/carbon/M, var/alien, var/removed)
 	if(alien == IS_DIONA)
@@ -66,6 +67,8 @@
 	var/targ_temp = 310
 	var/halluci = 0
 
+	mrate_static = TRUE
+
 	glass_name = "ethanol"
 	glass_desc = "A well-known alcohol with a variety of applications."
 
diff --git a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Food-Drinks.dm b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Food-Drinks.dm
index 525309f93b..33f42c3eb0 100644
--- a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Food-Drinks.dm
+++ b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Food-Drinks.dm
@@ -6,6 +6,7 @@
 	description = "All the vitamins, minerals, and carbohydrates the body needs in pure form."
 	reagent_state = SOLID
 	metabolism = REM * 4
+	mrate_static = TRUE
 	var/nutriment_factor = 30 // Per unit
 	var/injectable = 0
 	color = "#664330"
diff --git a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm
index 2cb1bcaa5b..3f6a499ee0 100644
--- a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm
+++ b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm
@@ -8,6 +8,7 @@
 	color = "#00BFFF"
 	overdose = REAGENTS_OVERDOSE * 2
 	metabolism = REM * 0.5
+	mrate_static = TRUE
 	scannable = 1
 
 /datum/reagent/inaprovaline/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)
@@ -91,6 +92,7 @@
 	description = "Dexalin Plus is used in the treatment of oxygen deprivation. It is highly effective."
 	reagent_state = LIQUID
 	color = "#0040FF"
+	mrate_static = TRUE	//Until it's not crazy strong, at least
 	overdose = REAGENTS_OVERDOSE * 0.5
 	scannable = 1
 
@@ -123,6 +125,7 @@
 	reagent_state = LIQUID
 	color = "#8080FF"
 	metabolism = REM * 0.5
+	mrate_static = TRUE
 	scannable = 1
 
 /datum/reagent/cryoxadone/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)
@@ -139,6 +142,7 @@
 	reagent_state = LIQUID
 	color = "#80BFFF"
 	metabolism = REM * 0.5
+	mrate_static = TRUE
 	scannable = 1
 
 /datum/reagent/clonexadone/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)
@@ -159,6 +163,7 @@
 	overdose = 60
 	scannable = 1
 	metabolism = 0.02
+	mrate_static = TRUE
 
 /datum/reagent/paracetamol/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)
 	M.add_chemical_effect(CE_PAINKILLER, 50)
@@ -176,6 +181,7 @@
 	overdose = 30
 	scannable = 1
 	metabolism = 0.02
+	mrate_static = TRUE
 
 /datum/reagent/tramadol/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)
 	M.add_chemical_effect(CE_PAINKILLER, 80)
@@ -192,6 +198,7 @@
 	color = "#800080"
 	overdose = 20
 	metabolism = 0.02
+	mrate_static = TRUE
 
 /datum/reagent/oxycodone/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)
 	M.add_chemical_effect(CE_PAINKILLER, 200)
@@ -311,6 +318,7 @@
 	reagent_state = LIQUID
 	color = "#FF3300"
 	metabolism = REM * 0.3
+	mrate_static = TRUE
 	overdose = REAGENTS_OVERDOSE * 0.5
 
 /datum/reagent/hyperzine/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)
@@ -376,6 +384,7 @@
 	reagent_state = LIQUID
 	color = "#C1C1C1"
 	metabolism = REM * 0.05
+	mrate_static = TRUE
 	overdose = REAGENTS_OVERDOSE
 	scannable = 1
 
@@ -430,6 +439,7 @@
 	reagent_state = LIQUID
 	color = "#BF80BF"
 	metabolism = 0.01
+	mrate_static = TRUE
 	data = 0
 
 /datum/reagent/methylphenidate/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)
@@ -450,6 +460,7 @@
 	reagent_state = LIQUID
 	color = "#FF80FF"
 	metabolism = 0.01
+	mrate_static = TRUE
 	data = 0
 
 /datum/reagent/citalopram/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)
@@ -470,6 +481,7 @@
 	reagent_state = LIQUID
 	color = "#FF80BF"
 	metabolism = 0.01
+	mrate_static = TRUE
 	data = 0
 
 /datum/reagent/paroxetine/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)
diff --git a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Other.dm b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Other.dm
index 92d09d1e18..7a94e64ac6 100644
--- a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Other.dm
+++ b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Other.dm
@@ -111,6 +111,7 @@
 	reagent_state = LIQUID
 	color = "#C8A5DC"
 	affects_dead = 1 //This can even heal dead people.
+	mrate_static = TRUE //Just in case
 
 	glass_name = "liquid gold"
 	glass_desc = "It's magic. We don't have to explain it."
@@ -182,6 +183,7 @@
 	description = "Adrenaline is a hormone used as a drug to treat cardiac arrest and other cardiac dysrhythmias resulting in diminished or absent cardiac output."
 	reagent_state = LIQUID
 	color = "#C8A5DC"
+	mrate_static = TRUE
 
 /datum/reagent/adrenaline/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)
 	if(alien == IS_DIONA)
@@ -195,6 +197,7 @@
 	id = "holywater"
 	description = "An ashen-obsidian-water mix, this solution will alter certain sections of the brain's rationality."
 	color = "#E0E8EF"
+	mrate_static = TRUE
 
 	glass_name = "holy water"
 	glass_desc = "An ashen-obsidian-water mix, this solution will alter certain sections of the brain's rationality."
diff --git a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Toxins.dm b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Toxins.dm
index 0d83a5725c..dd31ac05e4 100644
--- a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Toxins.dm
+++ b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Toxins.dm
@@ -7,6 +7,7 @@
 	reagent_state = LIQUID
 	color = "#CF3600"
 	metabolism = REM * 0.25 // 0.05 by default. Hopefully enough to get some help, or die horribly, whatever floats your boat
+	mrate_static = TRUE
 	var/strength = 4 // How much damage it deals per unit
 
 /datum/reagent/toxin/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)