update

code/modules/uplink/uplink_items/uplink_dangerous.dm

@@ -177,6 +177,7 @@
 			organic host as a home base and source of fuel. Holoparasites come in various types and share damage with their host."
 	item = /obj/item/storage/box/syndie_kit/guardian
 	cost = 15
+	limited_stock = 1 // you can only have one holopara apparently?
 	refundable = TRUE
 	cant_discount = TRUE
 	surplus = 0

code/modules/uplink/uplink_items/uplink_explosives.dm

@@ -80,6 +80,7 @@
 	item = /obj/item/cartridge/virus/syndicate
 	cost = 5
 	restricted = TRUE
+	limited_stock = 1
 
 /datum/uplink_item/explosives/emp
 	name = "EMP Grenades and Implanter Kit"