Coffee grounds / beans, anything with caffeine, alcohol, grapes (in large quantities, 1/2 pound to 2 pounds), raisins, onions, broccoli or garlic in large amounts, castor beans, apricots and apricot seeds, pear and peach pits, plum pits, apple seeds, nutmeg, sugarless gums and candies (
containing xylitol),
wild cherry, almonds, macadamia nuts, balsam pear, yeast dough, tomato and potato leaves and stems, avacados, onions and onion powder,
mushrooms, rhubarb, spinach, and japanese plums.