Value Per Nutrient Food 0.04 g 100 grams Tryptophan Cereals ready-to-eat, KELLOGG, KELLOGG'S Corn Flakes 0.04 g 100 grams Tryptophan CRACKER BARREL, steak fries 0.04 g 100 grams Tryptophan Alcoholic beverage, liqueur, coffee with cream, 34 proof 0.04 g 100 grams Tryptophan Milk, lowfat, fluid, 1% milkfat, with added vitamin A and vitamin D 0.04 g 100 grams Tryptophan Cereals, oats, regular and quick and instant, unenriched, cooked with water (includes boiling and microwaving), without salt 0.04 g 100 grams Tryptophan Puddings, tapioca, dry mix, prepared with whole milk 0.04 g 100 grams Tryptophan Soup, cream of chicken, canned, prepared with equal volume milk 0.04 g 100 grams Tryptophan Milk, nonfat, fluid, with added vitamin A and vitamin D (fat free or skim)