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Yum Heart is an unlockable activated item.

A typical cartoonish heart, with a large bite taken out of it, and two drops of blood spitting out of where the bite has been taken.

Effects[]

Upon activation, the player will have 1 empty heart container restored. If Isaac is already at full health or is only missing half of a heart container, the overhealing will be wasted, and the Yum Heart will begin its full cooldown.

Notes[]

  • Yum Heart is useless for ???, as he has no use for normal hearts in general.
  • It is possible for Super Lust to drop this item upon defeat.

Synergies[]

  • If you have The Battery, the 9 Volt, or the Habit, you can refill your health much faster.
  • Having the Habit and The Wafer will give you functional invincibility, provided you always use the Yum Heart when it becomes active. Does not work if you are playing as ??? or otherwise have no remaining heart containers.
  • If you do not have The Wafer, you can still take advantage of this until you reach The Womb, where all damage becomes one whole heart. 
  • The Habit, when combined with Yum Heart, can allow the player to use Blood Donation Machines for free as the damage taken can be restored with Yum Heart indefinitely.
Items
Passive Items Tear Modifiers: The Inner EyeSpoon BenderMy ReflectionSkatoleCube of MeatCupid's ArrowDr. FetusMom's EyeWiggle WormTechnologyChocolate MilkLoki's HornsLittle ChubbySpider's BiteThe Common ColdThe ParasiteMom's ContactsMom's KnifeOuija BoardBrimstoneA Lump of Coal

(Wrath of the Lamb DLC: IPECACTough LoveTechnology 2Mutant SpiderEpic FetusPolyphemusSacred Heart)

Stat Ups: The Sad OnionMax's HeadNumber OneBlood of the MartyrMagic MushroomRoid RageRaw LiverLunchDinnerDessertBreakfastRotten MeatWooden SpoonThe BeltMom's UnderwearMom's HeelsMom's LipstickWire Coat HangerStevenPentagramThe MarkGrowth HormonesMini MushroomThe PactSmall RockSuper BandageRobo-BabyLittle C.H.A.D.Little GishLittle SteveThe RelicThe HaloMoney Equals PowerBlood BagOdd Mushroom (Thin)Odd Mushroom (Large)Whore Of BabylonBucket Of Lard
(Wrath of the Lamb DLC: StigmataSpeed BallChemical PeelBloody LustCat-O-Nine-TailsStem CellsTooth PicksSMB Super Fan!MEAT!Magic 8 BallSqueezyJesus Juice)

Familiars and Orbitals: Brother BobbyHalo Of FliesDistant AdmirationSister MaggyGuardian AngelDemon BabyDead BirdForever AloneSack Of PenniesBomb Bag
(Wrath of the Lamb DLC: Bum FriendThe PeeperGhost BabyHarlequin BabyDaddy LonglegsSacrificial DaggerRainbow BabyHoly WaterGuppy's Hair BallAbel)

Others: 1UPThe VirusLess Than ThreeSkeleton KeyA DollarA QuarterBoom!TranscendenceThe CompassPHDRosaryXRay VisionLucky FootMagnetoTreasure MapThe LadderCharm Of The VampireThe BatterySteam SaleDead CatLord Of The PitSpelunker HatMr. MegaThe Wafer9 VoltBobby-Bomb
(Wrath of the Lamb DLC: Guppy's TailMom's PurseBob's CursePageant BoyScapularInfestationThe MulliganHabitSpirit Of The NightAnkhCeltic CrossMitreFateThe Black BeanHoly GrailDead DovePyro3 Dollar BillMom's Coin PurseBox)

Activated Items Base Items: The PoopMr. BoomTammy's HeadMom's BraKamikazeMom's PadBob's Rotten HeadTeleport!My Little UnicornYum HeartDoctor's RemoteShoop Da Whoop!Lemon MishapThe HourglassThe NailWe Need To Go Deeper!Deck of CardsMonstro's ToothThe GamekidMom's Bottle of PillsThe DiceThe Pinking ShearsThe BeanDead Sea ScrollsRazor BladeForget Me NowA Pony

(Wrath of the Lamb DLC: Guppy's PawIV BagBest FriendRemote DetonatorGuppy's HeadPrayer CardNotched AxeCrystal BallCrack The SkyThe CandleD20Spider ButtDad's KeyPortable SlotWhite PonyBlood Rights)

Books: The BibleThe Book of BelialThe NecronomiconBook Of RevelationsBook of ShadowsAnarchist CookbookThe Book Of SinMonster Manuel
(Wrath of the Lamb DLC: Telepathy for Dummies)

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