• Tryptophan is an amino acid needed for normal growth in infants and for nitrogen balance in adults. It is an essential amino acid, which means your body cannot produce it — you must get it from your diet.
  • Food Sources:
    • Cheese
    • Chicken
    • Eggs
    • Fish
    • Milk
    • Nuts
    • Peanut butter
    • Peanuts
    • Pumpkin seeds
    • Sesame seeds
    • Soy
    • Tofu
    • Turkey



  • Source: www.nlm.nih.gov/medlineplus/ency/article/002332.htm
  • Source: Parker G, Brotchie H. Mood effects of the amino acids tryptophan and tyrosine: ‘Food for Thought’ III. Acta Psychiatr Scand. 2011;124:417-426.
  • Source: Dietary Guidelines for Americans – 2010. 7th edition. Washington, DC. US Dept. of Health and Human Services and US Dept. of Agriculture: 2010.

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