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From Pathfinder Howl of the Wild, which isn't enabled.

Herbal Forager

FEAT 9
Prerequisites Skilled Herbalist

Your skill with herbs has improved. Each day as part of your daily preparations, you can harvest ingredients from your surroundings to craft one temporary alchemical item you know the formula for. This alchemical item must have the healing trait. If not consumed by your next daily preparations, the item is rendered inert.

Pathfinder Howl of the WildORC