What fruits are high in tryptophan?
                                
                                
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                                    4 min read                                
                            
                                Studies show that tryptophan, an essential amino acid, is a crucial precursor to the mood-regulating neurotransmitter serotonin and the sleep-regulating hormone melatonin. While not the most concentrated source compared to protein, certain fruits can significantly contribute to your daily intake and support these vital bodily functions.