nutrition adjustment wrapper procs.

code/modules/antagonists/bloodsucker/bloodsucker_life.dm

@@ -177,7 +177,7 @@
 	if(owner.current.blood_volume < BLOOD_VOLUME_BAD / 2)
 		owner.current.blur_eyes(8 - 8 * (owner.current.blood_volume / BLOOD_VOLUME_BAD))
 	// Nutrition
-	owner.current.nutrition = clamp(owner.current.blood_volume, 545, 0) //The amount of blood is how full we are.
+	owner.current.set_nutrition(min(owner.current.blood_volume, NUTRITION_LEVEL_FULL)) //The amount of blood is how full we are.
 	//A bit higher regeneration based on blood volume
 	if(owner.current.blood_volume < 700)
 		additional_regen = 0.4
@@ -331,7 +331,7 @@
 		return
 	var/mob/living/carbon/C = owner.current
 	// Remove Nutrition, Give Bad Food
-	C.nutrition -= food_nutrition
+	C.adjust_nutrition(-food_nutrition)
 	foodInGut += food_nutrition
 	// Already ate some bad clams? Then we can back out, because we're already sick from it.
 	if(foodInGut != food_nutrition)

code/modules/antagonists/changeling/powers/absorb.dm

@@ -59,7 +59,7 @@
 		changeling.trueabsorbs++
 
 	if(user.nutrition < NUTRITION_LEVEL_WELL_FED)
-		user.nutrition = min((user.nutrition + target.nutrition), NUTRITION_LEVEL_WELL_FED)
+		user.adjust_nutrition(target.nutrition, NUTRITION_LEVEL_WELL_FED)
 
 	if(target.mind)//if the victim has got a mind
 		// Absorb a lizard, speak Draconic.

code/modules/antagonists/devil/devil.dm

@@ -183,7 +183,7 @@ GLOBAL_LIST_INIT(devil_suffix, list(" the Red", " the Soulless", " the Master",
 	if(soulsOwned.Find(soul))
 		return
 	soulsOwned += soul
-	owner.current.nutrition = NUTRITION_LEVEL_FULL
+	owner.current.set_nutrition(NUTRITION_LEVEL_FULL)
 	to_chat(owner.current, "<span class='warning'>You feel satiated as you received a new soul.</span>")
 	update_hud()
 	switch(SOULVALUE)