diff --git a/include/constants/items.h b/include/constants/items.h
index 5413a7afef..b6dbc7329b 100644
--- a/include/constants/items.h
+++ b/include/constants/items.h
@@ -973,6 +973,13 @@
 #define MACH_BIKE 0
 #define ACRO_BIKE 1
 
+// Item parameters for EXP Candies
+#define EXP_100 1
+#define EXP_800 2
+#define EXP_3000 3
+#define EXP_10000 4
+#define EXP_30000 5
+
 // Item type IDs (used to determine the exit callback)
 #define ITEM_USE_MAIL        0
 #define ITEM_USE_PARTY_MENU  1
diff --git a/src/data/items.h b/src/data/items.h
index 8d08f0fde8..f4be3c6dcb 100644
--- a/src/data/items.h
+++ b/src/data/items.h
@@ -1359,7 +1359,7 @@ const struct Item gItems[] =
         .name = _("Rare Candy"),
         .itemId = ITEM_RARE_CANDY,
         .price = 10000,
-        .holdEffectParam = 0xFF,
+        .holdEffectParam = 0,
         .description = sRareCandyDesc,
         .pocket = POCKET_ITEMS,
         .type = ITEM_USE_PARTY_MENU,
@@ -1372,7 +1372,7 @@ const struct Item gItems[] =
         .name = _("Exp.Candy XS"),
         .itemId = ITEM_EXP_CANDY_XS,
         .price = 20,
-        .holdEffectParam = 0,
+        .holdEffectParam = EXP_100,
         .description = sExpCandyXSDesc,
         .pocket = POCKET_ITEMS,
         .type = ITEM_USE_PARTY_MENU,
@@ -1385,7 +1385,7 @@ const struct Item gItems[] =
         .name = _("Exp.Candy S"),
         .itemId = ITEM_EXP_CANDY_S,
         .price = 240,
-        .holdEffectParam = 1,
+        .holdEffectParam = EXP_800,
         .description = sExpCandyXSDesc,
         .pocket = POCKET_ITEMS,
         .type = ITEM_USE_PARTY_MENU,
@@ -1398,7 +1398,7 @@ const struct Item gItems[] =
         .name = _("Exp.Candy M"),
         .itemId = ITEM_EXP_CANDY_M,
         .price = 1000,
-        .holdEffectParam = 2,
+        .holdEffectParam = EXP_3000,
         .description = sExpCandyMDesc,
         .pocket = POCKET_ITEMS,
         .type = ITEM_USE_PARTY_MENU,
@@ -1411,7 +1411,7 @@ const struct Item gItems[] =
         .name = _("Exp.Candy L"),
         .itemId = ITEM_EXP_CANDY_L,
         .price = 3000,
-        .holdEffectParam = 3,
+        .holdEffectParam = EXP_10000,
         .description = sExpCandyLDesc,
         .pocket = POCKET_ITEMS,
         .type = ITEM_USE_PARTY_MENU,
@@ -1424,7 +1424,7 @@ const struct Item gItems[] =
         .name = _("Exp.Candy XL"),
         .itemId = ITEM_EXP_CANDY_XL,
         .price = 10000,
-        .holdEffectParam = 4,
+        .holdEffectParam = EXP_30000,
         .description = sExpCandyXLDesc,
         .pocket = POCKET_ITEMS,
         .type = ITEM_USE_PARTY_MENU,
diff --git a/src/party_menu.c b/src/party_menu.c
index 07d4d9a155..abfcc05512 100755
--- a/src/party_menu.c
+++ b/src/party_menu.c
@@ -5012,7 +5012,7 @@ void ItemUseCB_RareCandy(u8 taskId, TaskFunc task)
         if (sFinalLevel > sInitialLevel)
         {
             PlayFanfareByFanfareNum(FANFARE_LEVEL_UP);
-            ConvertIntToDecimalStringN(gStringVar2, GetMonData(mon, MON_DATA_LEVEL), STR_CONV_MODE_LEFT_ALIGN, 3);
+            ConvertIntToDecimalStringN(gStringVar2, sFinalLevel, STR_CONV_MODE_LEFT_ALIGN, 3);
             StringExpandPlaceholders(gStringVar4, gText_PkmnElevatedToLvVar2);
             DisplayPartyMenuMessage(gStringVar4, TRUE);
             ScheduleBgCopyTilemapToVram(2);
diff --git a/src/pokemon.c b/src/pokemon.c
index ca519729d5..956a870686 100644
--- a/src/pokemon.c
+++ b/src/pokemon.c
@@ -4709,7 +4709,13 @@ bool8 ExecuteTableBasedItemEffect(struct Pokemon *mon, u16 item, u8 partyIndex,
 }
 
 // EXP candies store an index for this table in their holdEffectParam.
-static const u32 sExpCandyExperienceTable[] = {100, 800, 3000, 10000, 30000};
+static const u32 sExpCandyExperienceTable[] = {
+    [EXP_100 - 1] = 100,
+    [EXP_800 - 1] = 800,
+    [EXP_3000 - 1] = 3000,
+    [EXP_10000 - 1] = 10000,
+    [EXP_30000 - 1] = 30000,
+};
 
 // Returns TRUE if the item has no effect on the Pokémon, FALSE otherwise
 bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 moveIndex, bool8 usedByAI)
@@ -4881,15 +4887,16 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
              && GetMonData(mon, MON_DATA_LEVEL, NULL) != MAX_LEVEL)
             {
                 u8 param = ItemId_GetHoldEffectParam(item);
-                if (param == 0xFF) // Rare Candy
+                if (param == 0) // Rare Candy
                 {
                     dataUnsigned = gExperienceTables[gBaseStats[GetMonData(mon, MON_DATA_SPECIES, NULL)].growthRate][GetMonData(mon, MON_DATA_LEVEL, NULL) + 1];
                 }
                 else if (param < ARRAY_COUNT(sExpCandyExperienceTable)) // EXP Candies
                 {
+                    u16 species = GetMonData(mon, MON_DATA_SPECIES, NULL);
                     dataUnsigned = sExpCandyExperienceTable[param] + GetMonData(mon, MON_DATA_EXP, NULL);
-                    if (dataUnsigned > gExperienceTables[gBaseStats[GetMonData(mon, MON_DATA_SPECIES, NULL)].growthRate][MAX_LEVEL])
-                        dataUnsigned = gExperienceTables[gBaseStats[GetMonData(mon, MON_DATA_SPECIES, NULL)].growthRate][MAX_LEVEL];
+                    if (dataUnsigned > gExperienceTables[gBaseStats[species].growthRate][MAX_LEVEL])
+                        dataUnsigned = gExperienceTables[gBaseStats[species].growthRate][MAX_LEVEL];
                 }
                 SetMonData(mon, MON_DATA_EXP, &dataUnsigned);
                 CalculateMonStats(mon);