This December 2016 Australian review published in September 2017 concerned:

“..the nutritional psychiatry field..the neurobiological mechanisms likely modulated by diet, the use of dietary and nutraceutical interventions in mental disorders, and recommendations for further research.”

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The reviewers inexplicably omitted acetyl-L-carnitine, which I first covered in A common dietary supplement that has rapid and lasting antidepressant effects. A PubMed search on “acetyl carnitine” showed over a dozen studies from the past twelve months that were relevant to the review’s subject areas. Here’s a sample, beginning with follow-on research published in June 2016 of the study I linked above:

Reply to Arduini et al.: Acetyl-l-carnitine and the brain: Epigenetics, energetics, and stress

Dietary supplementation with acetyl-l-carnitine counteracts age-related alterations of mitochondrial biogenesis, dynamics and antioxidant defenses in brain of old rats

Neuroprotective effects of acetyl-l-carnitine on lipopolysaccharide-induced neuroinflammation in mice: Involvement of brain-derived neurotrophic factor

ALCAR promote adult hippocampal neurogenesis by regulating cell-survival and cell death-related signals in rat model of Parkinson’s disease like-phenotypes

Analgesia induced by the epigenetic drug, L-acetylcarnitine, outlasts the end of treatment in mouse models of chronic inflammatory and neuropathic pain

The cited references in these recent studies were older, of course, and in the time scope of the review. There’s no excuse for this review’s omission of acetyl-L-carnitine.

https://www.cambridge.org/core/journals/proceedings-of-the-nutrition-society/article/nutritional-psychiatry-the-present-state-of-the-evidence/88924C819D21E3139FBC48D4D9DF0C08 “Nutritional psychiatry: the present state of the evidence” (not freely available)