I recently had a discussion with a friend who struggles with mental health, and that friend was planning to try a more plant-based diet (or even a totally plant-based diet) in an attempt to improve their mental health.

Have there been any studies showing that vegetarian, vegan, or plant-based diets providing a beneficial effect to people who are living with diminished mental health or mental illness? If yes, which diet patterns have been shown to be more or less effective?

I'm looking for scientific studies, so answers with DOI links are strongly preferred.


Cloud you please check below link where I think you will get answer for most of the questions on scientific technical grounds the white paper has whole lot information for how vegetarian food helps in Mental illness.


  • 3
    Hi. We generally prefer answers that are not just a pointer to a link here at Stack Overflow as the links may get broken over time. If you feel like it, could you perhaps extract the relevant points from the link and put them into your answer? Thanks. – Alexander Rossa Oct 3 '19 at 20:27
  • The linked paper claims that "Amino acids in food supplements are good safeguard against mental disorders like major depression, bipolar disorder, schizophrenia and obsessive compulsive disorder (OCD)" but does not provide sources to support that claim. This answer looked hopeful, but seems like a dead end. – Nic Nov 29 '19 at 1:57

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