diff --git a/code/modules/client/preference_setup/loadout/gear_tweaks.dm b/code/modules/client/preference_setup/loadout/gear_tweaks.dm
index 27d71f9e55..820c95f324 100644
--- a/code/modules/client/preference_setup/loadout/gear_tweaks.dm
+++ b/code/modules/client/preference_setup/loadout/gear_tweaks.dm
@@ -111,3 +111,34 @@ var/datum/gear_tweak/color/gear_tweak_free_color_choice = new()
 		else
 			path = 	contents[metadata[i]]
 		new path(I)
+
+/*
+* Ragent adjustment
+*/
+
+/datum/gear_tweak/reagents
+	var/list/valid_reagents
+
+/datum/gear_tweak/reagents/New(var/list/reagents)
+	valid_reagents = reagents.Copy()
+	..()
+
+/datum/gear_tweak/reagents/get_contents(var/metadata)
+	return "Reagents: [metadata]"
+
+/datum/gear_tweak/reagents/get_default()
+	return "Random"
+
+/datum/gear_tweak/reagents/get_metadata(var/user, var/list/metadata)
+	. = input(user, "Choose an entry.", "Character Preference", metadata) as null|anything in (valid_reagents + list("Random", "None"))
+	if(!.)
+		return metadata
+
+/datum/gear_tweak/reagents/tweak_item(var/obj/item/I, var/list/metadata)
+	if(metadata == "None")
+		return
+	if(metadata == "Random")
+		. = valid_reagents[pick(valid_reagents)]
+	else
+		. = valid_reagents[metadata]
+	I.reagents.add_reagent(., I.reagents.get_free_space())
diff --git a/code/modules/client/preference_setup/loadout/loadout_general.dm b/code/modules/client/preference_setup/loadout/loadout_general.dm
index 89aaa0a8d1..2b1c4bbb6b 100644
--- a/code/modules/client/preference_setup/loadout/loadout_general.dm
+++ b/code/modules/client/preference_setup/loadout/loadout_general.dm
@@ -30,10 +30,18 @@
 	display_name = "flask"
 	path = /obj/item/weapon/reagent_containers/food/drinks/flask/barflask
 
+/datum/gear/flask/New()
+	..()
+	gear_tweaks += new/datum/gear_tweak/reagents(lunchables_ethanol_reagents())
+
 /datum/gear/vacflask
 	display_name = "vacuum-flask"
 	path = /obj/item/weapon/reagent_containers/food/drinks/flask/vacuumflask
 
+/datum/gear/vacflask/New()
+	..()
+	gear_tweaks += new/datum/gear_tweak/reagents(lunchables_drink_reagents())
+
 /datum/gear/comb
 	display_name = "purple comb"
 	path = /obj/item/weapon/haircomb
diff --git a/code/modules/reagents/reagent_containers/food/lunch.dm b/code/modules/reagents/reagent_containers/food/lunch.dm
index f2b114d62c..edb4e3b890 100644
--- a/code/modules/reagents/reagent_containers/food/lunch.dm
+++ b/code/modules/reagents/reagent_containers/food/lunch.dm
@@ -51,6 +51,28 @@ var/list/lunchables_drinks_ = list(/obj/item/weapon/reagent_containers/food/drin
                                    /obj/item/weapon/reagent_containers/food/drinks/cans/tonic,
                                    /obj/item/weapon/reagent_containers/food/drinks/cans/sodawater)
 
+// This default list is a bit different, it contains items we don't want
+var/list/lunchables_drink_reagents_ = list(/datum/reagent/drink/nothing,
+                                           /datum/reagent/drink/doctor_delight,
+                                           /datum/reagent/drink/dry_ramen,
+                                           /datum/reagent/drink/hell_ramen,
+                                           /datum/reagent/drink/hot_ramen,
+                                           /datum/reagent/drink/nuka_cola,)
+
+// This default list is a bit different, it contains items we don't want
+var/list/lunchables_ethanol_reagents_ = list(/datum/reagent/ethanol/acid_spit,
+                                             /datum/reagent/ethanol/atomicbomb,
+                                             /datum/reagent/ethanol/beepsky_smash,
+                                             /datum/reagent/ethanol/coffee,
+                                             /datum/reagent/ethanol/hippies_delight,
+                                             /datum/reagent/ethanol/hooch,
+                                             /datum/reagent/ethanol/thirteenloko,
+                                             /datum/reagent/ethanol/manhattan_proj,
+                                             /datum/reagent/ethanol/neurotoxin,
+                                             /datum/reagent/ethanol/pwine,
+                                             /datum/reagent/ethanol/threemileisland,
+                                             /datum/reagent/ethanol/toxins_special)
+
 /proc/lunchables_lunches()
 	if(!(lunchables_lunches_[lunchables_lunches_[1]]))
 		lunchables_lunches_ = init_lunchable_list(lunchables_lunches_)
@@ -66,9 +88,28 @@ var/list/lunchables_drinks_ = list(/obj/item/weapon/reagent_containers/food/drin
 		lunchables_drinks_ = init_lunchable_list(lunchables_drinks_)
 	return lunchables_drinks_
 
+/proc/lunchables_drink_reagents()
+	if(!(lunchables_drink_reagents_[lunchables_drink_reagents_[1]]))
+		lunchables_drink_reagents_ = init_lunchable_reagent_list(lunchables_drink_reagents_, /datum/reagent/drink)
+	return lunchables_drink_reagents_
+
+/proc/lunchables_ethanol_reagents()
+	if(!(lunchables_ethanol_reagents_[lunchables_ethanol_reagents_[1]]))
+		lunchables_ethanol_reagents_ = init_lunchable_reagent_list(lunchables_ethanol_reagents_, /datum/reagent/ethanol)
+	return lunchables_ethanol_reagents_
+
 /proc/init_lunchable_list(var/list/lunches)
-	var/list/unsorted_lunches = list()
+	. = list()
 	for(var/lunch in lunches)
 		var/obj/O = lunch
-		unsorted_lunches[initial(O.name)] = lunch
-	return sortAssoc(unsorted_lunches)
+		.[initial(O.name)] = lunch
+	return sortAssoc(.)
+
+/proc/init_lunchable_reagent_list(var/list/banned_reagents, var/reagent_types)
+	. = list()
+	for(var/reagent_type in subtypes(reagent_types))
+		if(reagent_type in banned_reagents)
+			continue
+		var/datum/reagent/reagent = reagent_type
+		.[initial(reagent.name)] = initial(reagent.id)
+	return sortAssoc(.)
diff --git a/html/changelogs/PsiOmegaDelta-LoadoutDrinks.yml b/html/changelogs/PsiOmegaDelta-LoadoutDrinks.yml
new file mode 100644
index 0000000000..50927ecb26
--- /dev/null
+++ b/html/changelogs/PsiOmegaDelta-LoadoutDrinks.yml
@@ -0,0 +1,4 @@
+author: PsiOmegaDelta
+delete-after: True
+changes:
+  - rscadd: "Can now prefill the loadout flask and vacuum-flask with a relevant liquid of your choice."