diff --git a/code/modules/research/designs/medical_designs.dm b/code/modules/research/designs/medical_designs.dm
index 70141a7e14d..876c43fa4b6 100644
--- a/code/modules/research/designs/medical_designs.dm
+++ b/code/modules/research/designs/medical_designs.dm
@@ -222,10 +222,10 @@
 	name = "Nutriment pump implant"
 	desc = "This implant with synthesize and pump into your bloodstream a small amount of nutriment when you are starving."
 	id = "ci-nutriment"
-	req_tech = list("materials" = 5, "powerstorage" = 6, "biotech" = 5)
+	req_tech = list("materials" = 3, "powerstorage" = 4, "biotech" = 3)
 	build_type = PROTOLATHE | MECHFAB
 	construction_time = 40
-	materials = list(MAT_METAL = 500, MAT_GLASS = 500, MAT_GOLD = 500, MAT_URANIUM = 500)
+	materials = list(MAT_METAL = 500, MAT_GLASS = 500, MAT_GOLD = 500)
 	build_path = /obj/item/organ/cyberimp/chest/nutriment
 	category = list("Misc", "Medical Designs")
 
@@ -233,7 +233,7 @@
 	name = "Nutriment pump implant PLUS"
 	desc = "This implant with synthesize and pump into your bloodstream a small amount of nutriment when you are hungry."
 	id = "ci-nutrimentplus"
-	req_tech = list("materials" = 5, "powerstorage" = 6, "biotech" = 6)
+	req_tech = list("materials" = 5, "powerstorage" = 4, "biotech" = 4)
 	build_type = PROTOLATHE | MECHFAB
 	construction_time = 50
 	materials = list(MAT_METAL = 600, MAT_GLASS = 600, MAT_GOLD = 500, MAT_URANIUM = 750)
@@ -244,10 +244,10 @@
 	name = "Reviver implant"
 	desc = "This implant will attempt to revive you if you lose consciousness. For the faint of heart!"
 	id = "ci-reviver"
-	req_tech = list("materials" = 5, "programming" = 4, "biotech" = 8)
+	req_tech = list("materials" = 5, "programming" = 4, "biotech" = 5)
 	build_type = PROTOLATHE | MECHFAB
 	construction_time = 60
-	materials = list(MAT_METAL = 800, MAT_GLASS = 800, MAT_GOLD = 500, MAT_URANIUM = 1000, MAT_DIAMOND = 2000)
+	materials = list(MAT_METAL = 800, MAT_GLASS = 800, MAT_GOLD = 300, MAT_URANIUM = 500)
 	build_path = /obj/item/organ/cyberimp/chest/reviver
 	category = list("Misc", "Medical Designs")
 
diff --git a/code/modules/surgery/organs/augments_chest.dm b/code/modules/surgery/organs/augments_chest.dm
index 2e1d1677973..b977b039dff 100644
--- a/code/modules/surgery/organs/augments_chest.dm
+++ b/code/modules/surgery/organs/augments_chest.dm
@@ -14,7 +14,7 @@
 	var/synthesizing = 0
 	var/poison_amount = 5
 	slot = "stomach"
-	origin_tech = "materials=4;powerstorage=5;biotech=4"
+	origin_tech = "materials=2;powerstorage=2;biotech=2"
 
 /obj/item/organ/cyberimp/chest/nutriment/on_life()
 	if(synthesizing)
@@ -41,14 +41,14 @@
 	implant_color = "#006607"
 	hunger_threshold = NUTRITION_LEVEL_HUNGRY
 	poison_amount = 10
-	origin_tech = "materials=4;powerstorage=5;biotech=5"
+	origin_tech = "materials=4;powerstorage=3;biotech=3"
 
 /obj/item/organ/cyberimp/chest/reviver
 	name = "Reviver implant"
 	desc = "This implant will attempt to revive you if you lose consciousness. For the faint of heart!"
 	icon_state = "chest_implant"
 	implant_color = "#AD0000"
-	origin_tech = "materials=5;programming=4;biotech=6"
+	origin_tech = "materials=5;programming=4;biotech=4"
 	slot = "heartdrive"
 	var/revive_cost = 0
 	var/reviving = 0