When depressed individuals are fed a diet low in tryptophan on one day and a cocktail high in amino acids (other than tryptophan) on the following day, they

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Quizplus · Accepted Answer

A diet low in tryptophan can lead to decreased serotonin production, which is often associated with depression. The subsequent high intake of other amino acids can temporarily increase serotonin synthesis, but when this is followed by a return to a low tryptophan diet, serotonin levels can drop again, potentially leading to a relapse into depression.

When Depressed Individuals Are Fed a Diet Low in Tryptophan