diff --git a/code/modules/reagents/chemistry/reagents/medicine_reagents.dm b/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
index e8913f9ce4..6d37f30884 100644
--- a/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
@@ -994,7 +994,7 @@ datum/reagent/medicine/styptic_powder/overdose_start(mob/living/M)
 
 /datum/reagent/medicine/stimulants/on_mob_metabolize(mob/living/L)
 	..()
-	L.add_movespeed_modifier(type, update=TRUE, priority=100, multiplicative_slowdown=-1, blacklisted_movetypes=(FLYING|FLOATING))
+	L.add_movespeed_modifier(type, update=TRUE, priority=100, multiplicative_slowdown=-0.5, blacklisted_movetypes=(FLYING|FLOATING))
 
 /datum/reagent/medicine/stimulants/on_mob_end_metabolize(mob/living/L)
 	L.remove_movespeed_modifier(type)