General InfoLeftovers is an item that can be held by a Pokémon.
When held by a Pokémon, the holder regenerates 1/16 of it's max health every turn in battle.
How to Obtain
A Leftovers will be found on every Wild Munchlax. You must catch the Munchlax and take the Leftovers from it to obtain Leftovers. Leftovers could be obtained by taking the Leftovers from the Mystery Gift Code Snorlax from the code "Laziness", which has expired.
Leftovers can help you in battle (especially with the Elite Four).