nutrition adjustment wrapper procs.

code/datums/diseases/advance/symptoms/heal.dm

@@ -126,7 +126,7 @@
 		var/datum/reagent/R = E
 		M.reagents.remove_reagent(R.type, actual_power)
 		if(food_conversion)
-			M.nutrition += 0.3
+			M.adjust_nutrition(0.3)
 		if(prob(2))
 			to_chat(M, "<span class='notice'>You feel a mild warmth as your blood purifies itself.</span>")
 	return 1
@@ -164,7 +164,7 @@
 		C.reagents.metabolize(C, can_overdose=TRUE)
 	C.overeatduration = max(C.overeatduration - 2, 0)
 	var/lost_nutrition = 9 - (reduced_hunger * 5)
-	C.nutrition = max(C.nutrition - (lost_nutrition * HUNGER_FACTOR), 0) //Hunger depletes at 10x the normal speed
+	C.adjust_nutrition(-lost_nutrition * HUNGER_FACTOR) //Hunger depletes at 10x the normal speed
 	if(prob(2))
 		to_chat(C, "<span class='notice'>You feel an odd gurgle in your stomach, as if it was working much faster than normal.</span>")
 	return 1
@@ -454,7 +454,7 @@
 	"Transmission 6" = "Additionally heals cellular damage and toxin lovers.",
 	"Resistance 7" = "Increases healing speed.",
 	)
-	
+
 /datum/symptom/heal/radiation/Start(datum/disease/advance/A)
 	if(!..())
 		return

code/datums/diseases/advance/symptoms/weight.dm

@@ -50,4 +50,4 @@ Bonus
 		else
 			to_chat(M, "<span class='warning'><i>[pick("So hungry...", "You'd kill someone for a bite of food...", "Hunger cramps seize you...")]</i></span>")
 			M.overeatduration = max(M.overeatduration - 100, 0)
-			M.nutrition = max(M.nutrition - 100, 0)
+			M.adjust_nutrition(-100)

code/datums/diseases/tuberculosis.dm

@@ -52,7 +52,7 @@
 			if(prob(3))
 				to_chat(affected_mob, "<span class='warning'><i>[pick("Your stomach silently rumbles...", "Your stomach seizes up and falls limp, muscles dead and lifeless.", "You could eat a crayon")]</i></span>")
 				affected_mob.overeatduration = max(affected_mob.overeatduration - 100, 0)
-				affected_mob.nutrition = max(affected_mob.nutrition - 100, 0)
+				affected_mob.adjust_nutrition(-100)
 			if(prob(15))
 				to_chat(affected_mob, "<span class='danger'>[pick("You feel uncomfortably hot...", "You feel like unzipping your jumpsuit", "You feel like taking off some clothes...")]</span>")
 				affected_mob.adjust_bodytemperature(40)

code/game/machinery/computer/arcade/orion_trail.dm

@@ -117,7 +117,7 @@
 			if(food <= 0)
 				dat += "<br>You ran out of food and starved."
 				if(obj_flags & EMAGGED)
-					user.nutrition = 0 //yeah you pretty hongry
+					user.set_nutrition(0) //yeah you pretty hongry
 					to_chat(user, "<span class='userdanger'>Your body instantly contracts to that of one who has not eaten in months. Agonizing cramps seize you as you fall to the floor.</span>")
 			if(fuel <= 0)
 				dat += "<br>You ran out of fuel, and drift, slowly, into a star."

code/game/objects/effects/decals/cleanable/misc.dm

@@ -133,7 +133,7 @@
 			if(reagents)
 				for(var/datum/reagent/consumable/R in reagents.reagent_list)
 					if(R.nutriment_factor > 0)
-						H.nutrition += R.nutriment_factor * R.volume
+						H.adjust_nutrition(R.nutriment_factor * R.volume)
 						reagents.del_reagent(R.type)
 			reagents.trans_to(H, reagents.total_volume)
 			qdel(src)

code/game/objects/items/granters.dm

@@ -249,10 +249,8 @@
 /obj/item/book/granter/spell/smoke/recoil(mob/user)
 	..()
 	to_chat(user,"<span class='caution'>Your stomach rumbles...</span>")
-	if(user.nutrition)
-		user.nutrition = 200
-		if(user.nutrition <= 0)
-			user.nutrition = 0
+	if(user.nutrition > NUTRITION_LEVEL_STARVING + 50)
+		user.set_nutrition(NUTRITION_LEVEL_STARVING + 50)
 
 /obj/item/book/granter/spell/blind
 	spell = /obj/effect/proc_holder/spell/targeted/trigger/blind

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)

code/modules/mob/living/blood.dm

@@ -59,7 +59,7 @@
 				nutrition_ratio *= 1.2
 			if(satiety > 80)
 				nutrition_ratio *= 1.25
-			nutrition = max(0, nutrition - nutrition_ratio * HUNGER_FACTOR)
+			adjust_nutrition(-nutrition_ratio * HUNGER_FACTOR)
 			blood_volume = min((BLOOD_VOLUME_NORMAL * blood_ratio), blood_volume + 0.5 * nutrition_ratio)
 
 		//Effects of bloodloss

code/modules/mob/living/carbon/carbon.dm

@@ -520,7 +520,7 @@
 	playsound(get_turf(src), 'sound/effects/splat.ogg', 50, 1)
 	var/turf/T = get_turf(src)
 	if(!blood)
-		nutrition -= lost_nutrition
+		adjust_nutrition(-lost_nutrition)
 		adjustToxLoss(-3)
 	for(var/i=0 to distance)
 		if(blood)

code/modules/mob/living/carbon/carbon_movement.dm

@@ -24,11 +24,12 @@
 	. = ..()
 	if(. && (movement_type & FLOATING)) //floating is easy
 		if(HAS_TRAIT(src, TRAIT_NOHUNGER))
-			nutrition = NUTRITION_LEVEL_FED - 1	//just less than feeling vigorous
+			set_nutrition(NUTRITION_LEVEL_FED - 1)	//just less than feeling vigorous
 		else if(nutrition && stat != DEAD)
-			nutrition -= HUNGER_FACTOR/10
+			var/loss = HUNGER_FACTOR/10
 			if(m_intent == MOVE_INTENT_RUN)
-				nutrition -= HUNGER_FACTOR/10
+				loss *= 2
+			adjust_nutrition(loss)
 
 /mob/living/carbon/can_move_under_living(mob/living/other)
 	. = ..()

code/modules/mob/living/carbon/human/species.dm

@@ -1287,7 +1287,7 @@ GLOBAL_LIST_EMPTY(roundstart_race_names)
 				H.Jitter(5)
 			hunger_rate = 3 * HUNGER_FACTOR
 		hunger_rate *= H.physiology.hunger_mod
-		H.nutrition = max(0, H.nutrition - hunger_rate)
+		H.adjust_nutrition(-hunger_rate)
 
 
 	if (H.nutrition > NUTRITION_LEVEL_FULL)

code/modules/mob/living/carbon/human/species_types/golems.dm

@@ -293,9 +293,7 @@
 	if(isturf(H.loc)) //else, there's considered to be no light
 		var/turf/T = H.loc
 		light_amount = min(1,T.get_lumcount()) - 0.5
-		H.nutrition += light_amount * 10
-		if(H.nutrition > NUTRITION_LEVEL_FULL)
-			H.nutrition = NUTRITION_LEVEL_FULL
+		H.adjust_nutrition(light_amount * 10, NUTRITION_LEVEL_FULL)
 		if(light_amount > 0.2) //if there's enough light, heal
 			H.heal_overall_damage(1,1)
 			H.adjustToxLoss(-1)

code/modules/mob/living/carbon/human/species_types/podpeople.dm

@@ -35,9 +35,7 @@
 	if(isturf(H.loc)) //else, there's considered to be no light
 		var/turf/T = H.loc
 		light_amount = min(1,T.get_lumcount()) - 0.5
-		H.nutrition += light_amount * light_nutrition_gain_factor
-		if(H.nutrition >= NUTRITION_LEVEL_FULL)
-			H.nutrition = NUTRITION_LEVEL_FULL - 1
+		H.adjust_nutrition(light_amount * light_nutrition_gain_factor, NUTRITION_LEVEL_FULL)
 		if(light_amount > 0.2) //if there's enough light, heal
 			H.heal_overall_damage(light_bruteheal, light_burnheal)
 			H.adjustToxLoss(-light_toxheal)
@@ -69,8 +67,7 @@
 				H.adjustFireLoss(rand(5,15))
 				H.show_message("<span class='userdanger'>The radiation beam singes you!</span>")
 		if(/obj/item/projectile/energy/florayield)
-			H.nutrition = min(H.nutrition+30, NUTRITION_LEVEL_FULL)
-
+			H.adjust_nutrition(30, NUTRITION_LEVEL_FULL)
 
 /datum/species/pod/pseudo_weak
 	name = "Anthromorphic Plant"

code/modules/mob/living/carbon/life.dm

@@ -476,7 +476,7 @@
 			if(SSmobs.times_fired%3==1)
 				if(!(M.status_flags & GODMODE))
 					M.adjustBruteLoss(5)
-				nutrition += 10
+				adjust_nutrition(10)
 
 
 /*

code/modules/mob/living/living.dm

@@ -563,7 +563,7 @@
 	SetAllImmobility(0, FALSE)
 	SetSleeping(0, FALSE)
 	radiation = 0
-	nutrition = NUTRITION_LEVEL_FED + 50
+	set_nutrition(NUTRITION_LEVEL_FED + 50)
 	bodytemperature = BODYTEMP_NORMAL
 	set_blindness(0)
 	set_blurriness(0)

code/modules/mob/living/simple_animal/slime/life.dm

@@ -232,7 +232,7 @@
 		Feedstop(0, 0)
 		return
 
-	add_nutrition((rand(7, 15) * CONFIG_GET(number/damage_multiplier)))
+	adjust_nutrition((rand(7, 15) * CONFIG_GET(number/damage_multiplier)), get_max_nutrition(), TRUE)
 
 	//Heal yourself.
 	adjustBruteLoss(-3)
@@ -244,15 +244,13 @@
 		return
 
 	if(prob(15))
-		nutrition -= 1 + is_adult
+		adjust_nutrition(-1 - is_adult)
 
-	if(nutrition <= 0)
-		nutrition = 0
-		if(prob(75))
-			adjustBruteLoss(rand(0,5))
+	if(nutrition <= 0 && prob(75))
+		adjustBruteLoss(rand(0,5))
 
 	else if (nutrition >= get_grow_nutrition() && amount_grown < SLIME_EVOLUTION_THRESHOLD)
-		nutrition -= 20
+		adjust_nutrition(-20)
 		amount_grown++
 		update_action_buttons_icon()
 
@@ -262,9 +260,11 @@
 		else
 			Evolve()
 
-/mob/living/simple_animal/slime/proc/add_nutrition(nutrition_to_add = 0)
-	nutrition = min((nutrition + nutrition_to_add), get_max_nutrition())
-	if(nutrition >= get_grow_nutrition())
+/mob/living/simple_animal/slime/adjust_nutrition(change, max = INFINITY, slime_check = FALSE)
+	. = ..()
+	if(!slime_check)
+		return
+	if(nutrition == max)
 		if(powerlevel<10)
 			if(prob(30-powerlevel*2))
 				powerlevel++

code/modules/mob/living/simple_animal/slime/powers.dm

@@ -184,7 +184,7 @@
 				var/mob/living/simple_animal/slime/M
 				M = new(loc, child_colour)
 				if(ckey)
-					M.nutrition = new_nutrition //Player slimes are more robust at spliting. Once an oversight of poor copypasta, now a feature!
+					M.set_nutrition(new_nutrition) //Player slimes are more robust at spliting. Once an oversight of poor copypasta, now a feature!
 				M.powerlevel = new_powerlevel
 				if(i != 1)
 					step_away(M,src)

code/modules/mob/living/simple_animal/slime/slime.dm

@@ -27,6 +27,7 @@
 	healable = 0
 	gender = NEUTER
 	blood_volume = 0 //Until someome reworks for them to have slime jelly
+	nutrition = 700
 
 	see_in_dark = 8
 
@@ -102,7 +103,6 @@
 	create_reagents(100, NONE, NO_REAGENTS_VALUE)
 	set_colour(new_colour)
 	. = ..()
-	nutrition = 700
 
 /mob/living/simple_animal/slime/Destroy()
 	for (var/A in actions)
@@ -267,8 +267,8 @@
 		return
 	attacked += 5
 	if(nutrition >= 100) //steal some nutrition. negval handled in life()
-		nutrition -= (50 + (40 * M.is_adult))
-		M.add_nutrition(50 + (40 * M.is_adult))
+		adjust_nutrition(-50 - (40 * M.is_adult))
+		M.adjust_nutrition(50 + (40 * M.is_adult), get_max_nutrition(), TRUE)
 	if(health > 0)
 		M.adjustBruteLoss(-10 + (-10 * M.is_adult))
 		M.updatehealth()

code/modules/mob/mob.dm

@@ -35,7 +35,7 @@
 			continue
 		var/datum/atom_hud/alternate_appearance/AA = v
 		AA.onNewMob(src)
-	nutrition = rand(NUTRITION_LEVEL_START_MIN, NUTRITION_LEVEL_START_MAX)
+	set_nutrition(rand(NUTRITION_LEVEL_START_MIN, NUTRITION_LEVEL_START_MAX))
 	. = ..()
 	update_config_movespeed()
 	update_movespeed(TRUE)
@@ -1023,6 +1023,14 @@ GLOBAL_VAR_INIT(exploit_warn_spam_prevention, 0)
 	var/datum/language_holder/H = get_language_holder()
 	H.open_language_menu(usr)
 
+///Adjust the nutrition of a mob
+/mob/proc/adjust_nutrition(change, max = INFINITY) //Honestly FUCK the oldcoders for putting nutrition on /mob someone else can move it up because holy hell I'd have to fix SO many typechecks
+	nutrition = clamp(0, nutrition + change, max)
+
+///Force set the mob nutrition
+/mob/proc/set_nutrition(var/change) //Seriously fuck you oldcoders.
+	nutrition = max(0, change)
+
 /mob/setMovetype(newval)
 	. = ..()
 	update_movespeed(FALSE)

code/modules/mob/transform_procs.dm

@@ -449,7 +449,7 @@
 		var/list/babies = list()
 		for(var/i=1,i<=number,i++)
 			var/mob/living/simple_animal/slime/M = new/mob/living/simple_animal/slime(loc)
-			M.nutrition = round(nutrition/number)
+			M.set_nutrition(round(nutrition/number))
 			step_away(M,src)
 			babies += M
 		new_slime = pick(babies)

code/modules/reagents/chemistry/reagents/alcohol_reagents.dm

@@ -1834,7 +1834,7 @@ All effects don't start immediately, but rather get worse over time; the rate is
 /datum/reagent/consumable/ethanol/fernet/on_mob_life(mob/living/carbon/M)
 	if(M.nutrition <= NUTRITION_LEVEL_STARVING)
 		M.adjustToxLoss(1*REM, 0)
-	M.nutrition = max(M.nutrition - 5, 0)
+	M.adjust_nutrition(-5)
 	M.overeatduration = 0
 	return ..()
 
@@ -1852,7 +1852,7 @@ All effects don't start immediately, but rather get worse over time; the rate is
 /datum/reagent/consumable/ethanol/fernet_cola/on_mob_life(mob/living/carbon/M)
 	if(M.nutrition <= NUTRITION_LEVEL_STARVING)
 		M.adjustToxLoss(0.5*REM, 0)
-	M.nutrition = max(M.nutrition - 3, 0)
+	M.adjust_nutrition(-3)
 	M.overeatduration = 0
 	return ..()
 
@@ -1868,7 +1868,7 @@ All effects don't start immediately, but rather get worse over time; the rate is
 	glass_desc = "A glass of Fanciulli. It's just Manhattan with Fernet."
 
 /datum/reagent/consumable/ethanol/fanciulli/on_mob_life(mob/living/carbon/M)
-	M.nutrition = max(M.nutrition - 5, 0)
+	M.adjust_nutrition(-5)
 	M.overeatduration = 0
 	return ..()
 

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

@@ -692,9 +692,8 @@
 	M.adjustFireLoss(-0.5, 0)
 	M.adjustToxLoss(-0.5, 0)
 	M.adjustOxyLoss(-0.5, 0)
-	if(M.nutrition && (M.nutrition - 2 > 0))
-		if(!(M.mind && M.mind.assigned_role == "Medical Doctor")) //Drains the nutrition of the holder. Not medical doctors though, since it's the Doctor's Delight!
-			M.nutrition -= 2
+	if(!(M.mind && M.mind.assigned_role == "Medical Doctor")) //Drains the nutrition of the holder. Not medical doctors though, since it's the Doctor's Delight!
+		M.adjust_nutrition(-2)
 	..()
 	. = 1
 

code/modules/reagents/chemistry/reagents/food_reagents.dm

@@ -13,11 +13,12 @@
 	taste_mult = 4
 	value = REAGENT_VALUE_VERY_COMMON
 	var/nutriment_factor = 1 * REAGENTS_METABOLISM
+	var/max_nutrition = INFINITY
 	var/quality = 0	//affects mood, typically higher for mixed drinks with more complex recipes
 
 /datum/reagent/consumable/on_mob_life(mob/living/carbon/M)
 	current_cycle++
-	M.nutrition += nutriment_factor
+	M.adjust_nutrition(nutriment_factor, max_nutrition)
 	M.CheckBloodsuckerEatFood(nutriment_factor)
 	holder.remove_reagent(type, metabolization_rate)
 
@@ -694,13 +695,10 @@
 	description = "A bioengineered protien-nutrient structure designed to decompose in high saturation. In layman's terms, it won't get you fat."
 	reagent_state = SOLID
 	nutriment_factor = 12 * REAGENTS_METABOLISM
+	max_nutrition = NUTRITION_LEVEL_FULL - 25
 	color = "#664330" // rgb: 102, 67, 48
 	value = REAGENT_VALUE_RARE
 
-/datum/reagent/consumable/nutriment/stabilized/on_mob_life(mob/living/carbon/M)
-	if(M.nutrition > NUTRITION_LEVEL_FULL - 25)
-		M.nutrition -= 3*nutriment_factor
-	..()
 
 ////Lavaland Flora Reagents////
 

code/modules/reagents/chemistry/reagents/medicine_reagents.dm

@@ -413,7 +413,7 @@ datum/reagent/medicine/styptic_powder/overdose_start(mob/living/M)
 /datum/reagent/medicine/mine_salve/reaction_mob(mob/living/M, method=TOUCH, reac_volume, show_message = 1)
 	if(iscarbon(M) && M.stat != DEAD)
 		if(method in list(INGEST, VAPOR, INJECT))
-			M.nutrition -= 5
+			M.adjust_nutrition(-5)
 			if(show_message)
 				to_chat(M, "<span class='warning'>Your stomach feels empty and cramps!</span>")
 		else

code/modules/reagents/chemistry/reagents/toxin_reagents.dm

@@ -675,7 +675,7 @@
 /datum/reagent/toxin/lipolicide/on_mob_life(mob/living/carbon/M)
 	if(M.nutrition <= NUTRITION_LEVEL_STARVING)
 		M.adjustToxLoss(1*REM, 0)
-	M.nutrition = max(M.nutrition - 3, 0) // making the chef more valuable, one meme trap at a time
+	M.adjust_nutrition(-3) // making the chef more valuable, one meme trap at a time
 	M.overeatduration = 0
 	return ..()
 

code/modules/research/nanites/nanite_programs/utility.dm

@@ -144,7 +144,7 @@
 	return ..()
 
 /datum/nanite_program/metabolic_synthesis/active_effect()
-	host_mob.nutrition -= 0.5
+	host_mob.adjust_nutrition(-0.5)
 	nanites.adjust_nanites(src, 0.5)
 
 /datum/nanite_program/research

code/modules/research/xenobiology/crossbreeding/_status_effects.dm

@@ -917,7 +917,7 @@ datum/status_effect/stabilized/blue/on_remove()
 			healing_types += CLONE
 		if(length(healing_types))
 			owner.apply_damage_type(-heal_amount, damagetype=pick(healing_types))
-		owner.nutrition += 3
+		owner.adjust_nutrition(3)
 		M.adjustCloneLoss(heal_amount * 1.2) //This way, two people can't just convert each other's damage away.
 	else
 		messagedelivered = FALSE

code/modules/research/xenobiology/crossbreeding/burning.dm

@@ -35,7 +35,7 @@ Burning extracts:
 	S.visible_message("<span class='danger'>A baby slime emerges from [src], and it nuzzles [user] before burbling hungrily!</span>")
 	S.Friends[user] = 20 //Gas, gas, gas
 	S.bodytemperature = T0C + 400 //We gonna step on the gas.
-	S.nutrition = S.get_hunger_nutrition() //Tonight, we fight!
+	S.set_nutrition(S.get_hunger_nutrition()) //Tonight, we fight!
 	..()
 
 /obj/item/slimecross/burning/orange

code/modules/research/xenobiology/crossbreeding/regenerative.dm

@@ -128,7 +128,7 @@ Regenerative extracts:
 	colour = "silver"
 
 /obj/item/slimecross/regenerative/silver/core_effect(mob/living/target, mob/user)
-	target.nutrition = NUTRITION_LEVEL_FULL - 1
+	target.set_nutrition(NUTRITION_LEVEL_FULL - 1)
 	to_chat(target, "<span class='notice'>You feel satiated.</span>")
 
 /obj/item/slimecross/regenerative/bluespace

code/modules/research/xenobiology/xenobiology.dm

@@ -186,7 +186,7 @@
 /obj/item/slime_extract/purple/activate(mob/living/carbon/human/user, datum/species/jelly/luminescent/species, activation_type)
 	switch(activation_type)
 		if(SLIME_ACTIVATE_MINOR)
-			user.nutrition += 50
+			user.adjust_nutrition(50)
 			user.blood_volume += 50
 			to_chat(user, "<span class='notice'>You activate [src], and your body is refilled with fresh slime jelly!</span>")
 			return 150
@@ -636,7 +636,7 @@
 		qdel(src)
 		return
 	M.docile = 1
-	M.nutrition = 700
+	M.set_nutrition(700)
 	to_chat(M, "<span class='warning'>You absorb the potion and feel your intense desire to feed melt away.</span>")
 	to_chat(user, "<span class='notice'>You feed the slime the potion, removing its hunger and calming it.</span>")
 	var/newname = reject_bad_name(stripped_input(user, "Would you like to give the slime a name?", "Name your new pet", "pet slime", MAX_NAME_LEN), TRUE)

code/modules/surgery/lipoplasty.dm

@@ -40,7 +40,7 @@
 			"[user] extracts [target]'s fat!")
 	target.overeatduration = 0 //patient is unfatted
 	var/removednutriment = target.nutrition
-	target.nutrition = NUTRITION_LEVEL_WELL_FED
+	target.set_nutrition(NUTRITION_LEVEL_WELL_FED)
 	removednutriment -= 450 //whatever was removed goes into the meat
 	var/mob/living/carbon/human/H = target
 	var/typeofmeat = /obj/item/reagent_containers/food/snacks/meat/slab/human

code/modules/surgery/organs/augments_chest.dm

@@ -23,7 +23,7 @@
 	if(owner.nutrition <= hunger_threshold)
 		synthesizing = TRUE
 		to_chat(owner, "<span class='notice'>You feel less hungry...</span>")
-		owner.nutrition += 50
+		owner.adjust_nutrition(50)
 		addtimer(CALLBACK(src, .proc/synth_cool), 50)
 
 /obj/item/organ/cyberimp/chest/nutriment/proc/synth_cool()

code/modules/surgery/organs/heart.dm

@@ -221,7 +221,7 @@ obj/item/organ/heart/cybernetic/upgraded/on_life()
 		used_dose()
 	if(ramount < 10) //eats your nutrition to regen epinephrine
 		var/regen_amount = owner.nutrition/2000
-		owner.nutrition -= regen_amount
+		owner.adjust_nutrition(-regen_amount)
 		ramount += regen_amount
 
 /obj/item/organ/heart/cybernetic/upgraded/proc/used_dose()

code/modules/vore/eating/belly_obj.dm

@@ -512,7 +512,7 @@
 	if(!digested)
 		items_preserved |= item
 	else
-//		owner.nutrition += (5 * digested) // haha no.
+//		owner.adjust_nutrition(5 * digested) // haha no.
 		if(iscyborg(owner))
 			var/mob/living/silicon/robot/R = owner
 			R.cell.charge += (50 * digested)

code/modules/vore/eating/bellymodes.dm

@@ -98,7 +98,7 @@
 					to_chat(M, "<span class='warning'>[digest_alert_prey]</span>")
 					M.visible_message("<span class='notice'>You watch as [owner]'s form loses its additions.</span>")
 
-					owner.nutrition += 400 // so eating dead mobs gives you *something*.
+					owner.adjust_nutrition(400) // so eating dead mobs gives you *something*.
 					play_sound = pick(pred_death)
 					if(M && M.client && M.client.prefs.cit_toggles & DIGESTION_NOISES)
 						SEND_SOUND(M,prey_death)
@@ -112,7 +112,7 @@
 				// Deal digestion damage (and feed the pred)
 				if(!(M.status_flags & GODMODE))
 					M.adjustFireLoss(digest_burn)
-					owner.nutrition += 1
+					owner.adjust_nutrition(1)
 
 			//Contaminate or gurgle items
 			var/obj/item/T = pick(touchable_items)
@@ -130,7 +130,7 @@
 					if(owner.nutrition >= NUTRITION_LEVEL_STARVING && (M.health < M.maxHealth))
 						M.adjustBruteLoss(-3)
 						M.adjustFireLoss(-3)
-						owner.nutrition -= 5
+						owner.adjust_nutrition(-5)
 
 	//for when you just want people to squelch around
 		if(DM_NOISY)
@@ -155,8 +155,8 @@
 
 				if(M.nutrition >= 100) //Drain them until there's no nutrients left. Slowly "absorb" them.
 					var/oldnutrition = (M.nutrition * 0.05)
-					M.nutrition = (M.nutrition * 0.95)
-					owner.nutrition += oldnutrition
+					M.set_nutrition(M.nutrition * 0.95)
+					owner.adjust_nutrition(oldnutrition)
 				else if(M.nutrition < 100) //When they're finally drained.
 					absorb_living(M)
 					to_update = TRUE
@@ -168,7 +168,7 @@
 					DISABLE_BITFIELD(M.vore_flags, ABSORBED)
 					to_chat(M,"<span class='notice'>You suddenly feel solid again </span>")
 					to_chat(owner,"<span class='notice'>You feel like a part of you is missing.</span>")
-					owner.nutrition -= 100
+					owner.adjust_nutrition(-100)
 					to_update = TRUE
 
 	//because dragons need snowflake guts

code/modules/zombie/items.dm

@@ -74,4 +74,4 @@
 		user.adjustCloneLoss(-hp_gained, 0)
 		user.updatehealth()
 		user.adjustOrganLoss(ORGAN_SLOT_BRAIN, -hp_gained) // Zom Bee gibbers "BRAAAAISNSs!1!"
-		user.nutrition = min(user.nutrition + hp_gained, NUTRITION_LEVEL_FULL)
+		user.adjust_nutrition(hp_gained, NUTRITION_LEVEL_FULL)

modular_citadel/code/modules/reagents/chemistry/reagents/SDGF.dm

@@ -113,13 +113,13 @@ IMPORTANT FACTORS TO CONSIDER WHILE BALANCING
 				SM.copy_known_languages_from(M, FALSE)
 				playerClone =  TRUE
 				M.next_move_modifier = 1
-				M.nutrition -= 500
+				M.adjust_nutrition(-500)
 
 				//Damage the clone
 				SM.blood_volume = (BLOOD_VOLUME_NORMAL*SM.blood_ratio)/2
 				SM.adjustCloneLoss(60, 0)
 				SM.setOrganLoss(ORGAN_SLOT_BRAIN, 40)
-				SM.nutrition = startHunger/2
+				SM.set_nutrition(startHunger/2)
 
 				//Transfer remaining reagent to clone. I think around 30u will make a healthy clone, otherwise they'll have clone damage, blood loss, brain damage and hunger.
 				SM.reagents.add_reagent(/datum/reagent/fermi/SDGFheal, volume)
@@ -147,23 +147,23 @@ IMPORTANT FACTORS TO CONSIDER WHILE BALANCING
 						if(21)
 							to_chat(M, "<span class='notice'>You feel the synethic cells rest uncomfortably within your body as they start to pulse and grow rapidly.</span>")
 						if(22 to 29)
-							M.nutrition = M.nutrition + (M.nutrition/10)
+							M.adjust_nutrition(M.nutrition/10)
 						if(30)
 							to_chat(M, "<span class='notice'>You feel the synethic cells grow and expand within yourself, bloating your body outwards.</span>")
 						if(31 to 49)
-							M.nutrition = M.nutrition + (M.nutrition/5)
+							M.adjust_nutrition(M.nutrition/5)
 						if(50)
 							to_chat(M, "<span class='notice'>The synthetic cells begin to merge with your body, it feels like your body is made of a viscous water, making your movements difficult.</span>")
 							M.next_move_modifier += 4//If this makes you fast then please fix it, it should make you slow!!
 							//candidates = pollGhostCandidates("Do you want to play as a clone of [M.name] and do you agree to respect their character and act in a similar manner to them? I swear to god if you diddle them I will be very disapointed in you. ", "FermiClone", null, ROLE_SENTIENCE, 300) // see poll_ignore.dm, should allow admins to ban greifers or bullies
 						if(51 to 79)
-							M.nutrition = M.nutrition + (M.nutrition/2)
+							M.adjust_nutrition(M.nutrition/2)
 						if(80)
 							to_chat(M, "<span class='notice'>The cells begin to precipitate outwards of your body, you feel like you'll split soon...</span>")
 							if (M.nutrition < 20000)
-								M.nutrition = 20000 //https://www.youtube.com/watch?v=Bj_YLenOlZI
+								M.set_nutrition(20000) //https://www.youtube.com/watch?v=Bj_YLenOlZI
 						if(86)//Upon splitting, you get really hungry and are capable again. Deletes the chem after you're done.
-							M.nutrition = 15//YOU BEST BE EATTING AFTER THIS YOU CUTIE
+							M.set_nutrition(15)//YOU BEST BE EATTING AFTER THIS YOU CUTIE
 							M.next_move_modifier -= 4
 							to_chat(M, "<span class='notice'>Your body splits away from the cell clone of yourself, leaving you with a drained and hollow feeling inside.</span>")
 
@@ -204,7 +204,7 @@ IMPORTANT FACTORS TO CONSIDER WHILE BALANCING
 		M.heal_bodypart_damage(1,1)
 		M.next_move_modifier = 1
 		if (M.nutrition < 1500)
-			M.nutrition += 250
+			M.adjust_nutrition(250)
 	else if (unitCheck == TRUE && !M.has_status_effect(/datum/status_effect/chem/SGDF))// If they're ingested a little bit (10u minimum), then give them a little healing.
 		unitCheck = FALSE
 		to_chat(M, "<span class='notice'>the cells fail to hold enough mass to generate a clone, instead diffusing into your system.</span>")
@@ -213,7 +213,7 @@ IMPORTANT FACTORS TO CONSIDER WHILE BALANCING
 		M.blood_volume += 100
 		M.next_move_modifier = 1
 		if (M.nutrition < 1500)
-			M.nutrition += 500
+			M.adjust_nutrition(500)
 
 /datum/reagent/fermi/SDGF/reaction_mob(mob/living/carbon/human/M, method=TOUCH, reac_volume)
 	if(volume<5)
@@ -245,7 +245,7 @@ IMPORTANT FACTORS TO CONSIDER WHILE BALANCING
 			SM.blood_volume = (BLOOD_VOLUME_NORMAL*SM.blood_ratio)/1.5
 			SM.adjustCloneLoss((bodydamage/10), 0)
 			SM.setOrganLoss(ORGAN_SLOT_BRAIN, (bodydamage/10))
-			SM.nutrition = 400
+			SM.adjust_nutrition(400)
 		if(bodydamage>200)
 			SM.gain_trauma_type(BRAIN_TRAUMA_MILD)
 		if(bodydamage>300)
@@ -285,7 +285,7 @@ IMPORTANT FACTORS TO CONSIDER WHILE BALANCING
 		M.blood_volume += 10
 	M.adjustCloneLoss(-2, 0)
 	M.setOrganLoss(ORGAN_SLOT_BRAIN, -1)
-	M.nutrition += 10
+	M.adjust_nutrition(10)
 	..()
 
 //Unobtainable, used if SDGF is impure but not too impure
@@ -318,27 +318,27 @@ IMPORTANT FACTORS TO CONSIDER WHILE BALANCING
 			to_chat(M, "<span class='notice'>You feel the synethic cells rest uncomfortably within your body as they start to pulse and grow rapidly.</span>")
 			startHunger = M.nutrition
 		if(21 to 29)
-			M.nutrition = M.nutrition + (M.nutrition/10)
+			M.adjust_nutrition(M.nutrition/10)
 		if(30)
 			to_chat(M, "<span class='notice'>You feel the synethic cells grow and expand within yourself, bloating your body outwards.</span>")
 		if(31 to 49)
-			M.nutrition = M.nutrition + (M.nutrition/5)
+			M.adjust_nutrition(M.nutrition/5)
 		if(50)
 			to_chat(M, "<span class='notice'>The synethic cells begin to merge with your body, it feels like your body is made of a viscous water, making your movements difficult.</span>")
 			M.next_move_modifier = 4//If this makes you fast then please fix it, it should make you slow!!
 		if(51 to 73)
-			M.nutrition = M.nutrition + (M.nutrition/2)
+			M.adjust_nutrition(M.nutrition/2)
 		if(74)
 			to_chat(M, "<span class='notice'>The cells begin to precipitate outwards of your body, but... something is wrong, the sythetic cells are beginnning to rot...</span>")
 			if (M.nutrition < 20000) //whoever knows the maxcap, please let me know, this seems a bit low.
-				M.nutrition = 20000 //https://www.youtube.com/watch?v=Bj_YLenOlZI
+				M.set_nutrition(20000) //https://www.youtube.com/watch?v=Bj_YLenOlZI
 		if(75 to 85)
 			M.adjustToxLoss(1, 0)// the warning!
 
 		if(86)//mean clone time!
 			if (!M.reagents.has_reagent(/datum/reagent/medicine/pen_acid))//Counterplay is pent.)
 				message_admins("(non-infectious) SDZF: Zombie spawned at [M] [COORD(M)]!")
-				M.nutrition = startHunger - 500//YOU BEST BE RUNNING AWAY AFTER THIS YOU BADDIE
+				M.set_nutrition(startHunger - 500) //YOU BEST BE RUNNING AWAY AFTER THIS YOU BADDIE
 				M.next_move_modifier = 1
 				to_chat(M, "<span class='warning'>Your body splits away from the cell clone of yourself, your attempted clone birthing itself violently from you as it begins to shamble around, a terrifying abomination of science.</span>")
 				M.visible_message("[M] suddenly shudders, and splits into a funky smelling copy of themselves!")
@@ -354,7 +354,7 @@ IMPORTANT FACTORS TO CONSIDER WHILE BALANCING
 
 			else//easier to deal with
 				to_chat(M, "<span class='notice'>The pentetic acid seems to have stopped the decay for now, clumping up the cells into a horrifying tumour!</span>")
-				M.nutrition = startHunger - 500
+				M.set_nutrition(startHunger - 500)
 				var/mob/living/simple_animal/slime/S = new(get_turf(M.loc),"grey") //TODO: replace slime as own simplemob/add tumour slime cores for science/chemistry interplay
 				S.damage_coeff = list(BRUTE = ((1 / volume)**0.1) , BURN = 2, TOX = 1, CLONE = 1, STAMINA = 0, OXY = 1)
 				S.name = "Living teratoma"

modular_citadel/code/modules/reagents/chemistry/reagents/eigentstasium.dm

@@ -94,7 +94,7 @@
 		to_chat(M, "<span class='userdanger'>Your wavefunction feels like it's been ripped in half. You feel empty inside.</span>")
 		log_game("FERMICHEM: [M] ckey: [M.key] has become addicted to eigenstasium")
 		M.Jitter(10)
-	M.nutrition = M.nutrition - (M.nutrition/15)
+	M.adjust_nutrition(-M.nutrition/15)
 	..()
 
 /datum/reagent/fermi/eigenstate/addiction_act_stage2(mob/living/M)