The Fungus Link VINEGARS catsup/ketchup pickles green olives mustard pickled peppers horseradish BBQ sauce hot sauce dips soy sauce salad dressings mayonnaise Worcestershire sauce These items have been fermented and should be excluded. Hydrolyzed yeast is an additive in many products such as canned and powdered soups and frozen dinners. Look for it\ Note: (1) Honey could be an occasional exception, since it does have some antifungal properties.