New ToolScript + Stacks (Script)

local Tool = script.Parent;

enabled = true

function onActivated()
    if not enabled  then
        return
    end

    enabled = false
    wait(.8)
    local Humanoid = Tool.Parent:FindFirstChild("Humanoid")
    local EatAnim = script.EatAnim
    Humanoid:LoadAnimation(EatAnim):Play()
    script.healing:Play()
    if (Humanoid ~= nil) then
        if (Humanoid.MaxHealth > Humanoid.Health + 1.6) then
            Humanoid.Health = Humanoid.Health + 1.6
        else
            Humanoid.Health = Humanoid.MaxHealth
            if Tool:WaitForChild("stacks") and Tool.stacks.Value > 1 then
                Tool.stacks.Value -= 1
                Humanoid:UnequipTools()
            else
                Tool:Destroy()
            end
        end
    end
    enabled = true

end

script.Parent.Activated:connect(onActivated)