diff --git a/code/modules/reagents/chemistry/reagents/medicine_reagents.dm b/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
index 92d73e2ccf..101e391a52 100644
--- a/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
@@ -214,7 +214,7 @@
 	id = "spaceacillin"
 	description = "Spaceacillin will prevent a patient from conventionally spreading any diseases they are currently infected with."
 	color = "#C8A5DC" // rgb: 200, 165, 220
-	metabolization_rate = 0.5 * REAGENTS_METABOLISM
+	metabolization_rate = 0.1 * REAGENTS_METABOLISM
 
 //Goon Chems. Ported mainly from Goonstation. Easily mixable (or not so easily) and provide a variety of effects.
 /datum/reagent/medicine/silver_sulfadiazine