Metabolic Synthesis Nanite Program works on hungrier people now. (#1840)

* Update utility.dm

* Halves Nutrition Use.

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

@@ -250,12 +250,12 @@
 	if(!iscarbon(host_mob))
 		return FALSE
 	var/mob/living/carbon/C = host_mob
-	if(C.nutrition <= NUTRITION_LEVEL_WELL_FED)
+	if(C.nutrition <= NUTRITION_LEVEL_STARVING) //It's the nanite programmer's job to make sure nanites don't starve the host, also allows a saboteur to starve everyone who has nanites.
 		return FALSE
 	return ..()
 
 /datum/nanite_program/metabolic_synthesis/active_effect()
-	host_mob.adjust_nutrition(-0.5)
+	host_mob.adjust_nutrition(-0.25)
 
 /datum/nanite_program/access
 	name = "Subdermal ID"