diff --git a/code/modules/reagents/chemistry/reagents/toxins.dm b/code/modules/reagents/chemistry/reagents/toxins.dm
index 1721d81d766..07d36742fad 100644
--- a/code/modules/reagents/chemistry/reagents/toxins.dm
+++ b/code/modules/reagents/chemistry/reagents/toxins.dm
@@ -49,7 +49,14 @@
 
 /datum/reagent/slimejelly/on_mob_life(mob/living/M)
 	var/update_flags = STATUS_UPDATE_NONE
-	if(M.get_blood_id() != id)  // no effect on slime people
+	var/mob/living/carbon/C = M
+	if(iscarbon(C) && C.mind?.has_antag_datum(/datum/antagonist/vampire))
+		M.set_nutrition(min(NUTRITION_LEVEL_WELL_FED, M.nutrition + 10))
+		if(M.get_blood_id() != id)
+			M.blood_volume = min(M.blood_volume + REAGENTS_METABOLISM, BLOOD_VOLUME_NORMAL)
+		return ..() | update_flags
+
+	if(M.get_blood_id() != id)
 		if(prob(10))
 			to_chat(M, "<span class='danger'>Your insides are burning!</span>")
 			update_flags |= M.adjustToxLoss(rand(2, 6) * REAGENTS_EFFECT_MULTIPLIER, FALSE) // avg 0.4 toxin per cycle, not unreasonable
@@ -68,7 +75,6 @@
 		B.basecolor = color
 		B.update_icon()
 
-
 /datum/reagent/slimetoxin
 	name = "Mutation Toxin"
 	id = "mutationtoxin"
diff --git a/code/modules/reagents/chemistry/reagents/water.dm b/code/modules/reagents/chemistry/reagents/water.dm
index 7c248dbd8b7..6d909c8c320 100644
--- a/code/modules/reagents/chemistry/reagents/water.dm
+++ b/code/modules/reagents/chemistry/reagents/water.dm
@@ -103,7 +103,7 @@
 	taste_description = "<span class='warning'>blood</span>"
 	taste_mult = 1.3
 
-/datum/reagent/blood/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+/datum/reagent/blood/reaction_mob(mob/living/M, method = REAGENT_TOUCH, volume)
 	if(data && data["viruses"])
 		for(var/thing in data["viruses"])
 			var/datum/disease/D = thing
@@ -120,6 +120,7 @@
 		var/mob/living/carbon/C = M
 		if(C.mind?.has_antag_datum(/datum/antagonist/vampire))
 			C.set_nutrition(min(NUTRITION_LEVEL_WELL_FED, C.nutrition + 10))
+			C.blood_volume = min(C.blood_volume + round(volume, 0.1), BLOOD_VOLUME_NORMAL)
 	..()
 
 /datum/reagent/blood/on_new(list/data)
diff --git a/code/modules/reagents/chemistry/reagents_datum.dm b/code/modules/reagents/chemistry/reagents_datum.dm
index edc0466fe9b..3e1b919aa51 100644
--- a/code/modules/reagents/chemistry/reagents_datum.dm
+++ b/code/modules/reagents/chemistry/reagents_datum.dm
@@ -72,8 +72,9 @@
 		if(can_become_addicted)
 			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>") //sate_addiction handles this now, but kept this for the feed back.
-
 	var/mob/living/carbon/C = M
+	if(C.mind?.has_antag_datum(/datum/antagonist/vampire))
+		return
 	if(method == REAGENT_INGEST && istype(C) && C.get_blood_id() == id)
 		if(id == "blood" && !(data?["blood_type"] in get_safe_blood(C.dna?.blood_type)) || C.dna?.species.name != data?["species"] && (data?["species_only"] || C.dna?.species.own_species_blood))
 			C.reagents.add_reagent("toxin", volume * 0.5)