Badberry

Up to ten berries appear in your hand and are infused with magic for the duration. A creature can use its action to eat one berry. Eating a berry provides enough nourishment to sustain a creature for one day, however, a creature that eats a berry takes 1 poison damage and must succeed on a constitution saving throw or be poisoned for 1 hour.  The berries appear identical to berries created using the Goodberry spell, but a creature may use an action and succeed on an investigation check against your spell DC to discern the nature of the berries. 

The berries lose their potency if they have not been consumed within 24 hours of the casting of this spell.