Tryptophan:  A Dream Amino Acid that Improves Sleep, Enhances Mood, and Reduces Cancer Risk

Tryptophan is an essential amino acid, which is a key building block for serotonin, melatonin, endorphins, and other metabolites, which help to improve sleep, enhance mood, reduce pain, and decrease cancer risk.  

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Keywords: Tryptophan, essential amino acid, serotonin, melatonin, endorphins, mood enhancement, reduced cancer risk