Unicorn horn - produces unicorn horn dust which is used in Anti-poison potions.
Chocolate bar - produces chocolate dust, used in energy potions and chef's delight brew. Also used in the quest Plague City. A knife also works for this item.
Kebbit teeth - produces kebbit teeth dust for use in the hunting potion.
Gorak claw - produces crushed gorak claw, used in A Fairy Tale Part II Quest and making magic essence potion.
Bird's nest - produces a crushed bird's nest which is used in saradomin brew.
Desert goat horn - produces goat horn dust for use in combat potions.
Blue dragon scales - produces dragon scale dust for use in anti-fire potions.
Mud rune - makes ground mud runes for use in extreme magic potions.
Sq'irk - produces sq'irk juice when crushed into a beer glass during the Sorceress's Garden activity.
Ashes - makes ground ashes for use in the Warriors' Guild.
Poison karambwan - makes karambwan paste, which can be used to poison spears.
Fishing bait - makes ground fishing bait, which is used to feed pet birds.
Guam, marrentill, tarromin and harralander - makes their respective ground versions for use in salamander bait/ammo.
Seaweed - makes ground seaweed which is an ingredient of fish food.
Neem drupe – Produces neem oil which could be used to weaken monsters in the Polypore Dungeon.
Bat bones - makes ground bat bones in Watchtower.
Charcoal - makes ground charcoal in Digsite Quest.
Cod, kelp and crab meat - makes ground cod, ground kelp and ground crab meat in Recipe for Disaster/Freeing Pirate Pete.
Rune shards - makes rune dust in Garden of Tranquility.
Astral rune shards - makes ground astral rune in Dream Mentor.
Suqah tooth - makes ground tooth in Lunar Diplomacy.
Diamond root - makes diamond root dust in Glorious Memories.
Dried thistle - Makes ground thistle in Eadgar's Ruse.
Garlic - Makes garlic powder in Desert Treasure.
Black mushroom - Makes black mushroom ink, which is used in a number of quests.