Pilk.

hyperstation/code/modules/food_and_drinks/recipes/drinks_recipes.dm

@@ -0,0 +1,5 @@
+/datum/chemical_reaction/pilk
+	name = "Pilk"
+	id = /datum/reagent/consumable/pilk
+	results = list(/datum/reagent/consumable/pilk = 2)
+	required_reagents = list(/datum/reagent/consumable/milk = 1, /datum/reagent/consumable/space_cola = 1)

hyperstation/code/modules/reagents/chemistry/reagents/drink_reagents.dm

@@ -0,0 +1,23 @@
+/datum/reagent/consumable/pilk
+	name = "Pilk"
+	description = "A forbidden mixture that dates back to the early days of space civilization, its creation is known to have caused at least one or two massacres."
+	color = "#cf9f6f"
+	taste_description = "heresy"
+	glass_icon_state  = "whiskeycolaglass"
+	glass_name = "glass of Pilk"
+	glass_desc = "Why would you do this to yourself?"
+	hydration = 3
+
+/datum/reagent/consumable/pilk/on_mob_life(mob/living/carbon/M)
+	M.drowsyness = max(0,M.drowsyness-3)
+	M.adjust_bodytemperature(-3 * TEMPERATURE_DAMAGE_COEFFICIENT, BODYTEMP_NORMAL)
+	if(HAS_TRAIT(M, TRAIT_CALCIUM_HEALER))
+		M.heal_bodypart_damage(0.75,0, 0)
+		. = 1
+	else
+		if(M.getBruteLoss() && prob(20))
+			M.heal_bodypart_damage(0.5,0, 0)
+			. = 1
+	if(holder.has_reagent(/datum/reagent/consumable/capsaicin))
+		holder.remove_reagent(/datum/reagent/consumable/capsaicin, 1)
+	..()