In Dragonflight, you’ll save even more inventory space with profession items stacking to 200/1000.
Changes to Profession Items Stacking in Dragonflight
Consumables like Enchants, Gems, Phials, Cauldrons, Potions, Food, and Sharpening Stones stack to 200.
Raw Materials like Herbs, and Ores, Gemstones,a Meat, and Cloth stack up to 1000. This also includes vials needed for many Alchemy recipes.