Mangosteen extract showed limited support for treating bipolar depression
Adding mangosteen extract to usual treatment did not substantially change the overall course of depressive symptoms versus placebo. Some treatment-end improvements weakened after discontinuation.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The trial offered limited support for adding mangosteen extract to improve bipolar depression. Overall depressive-symptom changes did not substantially differ between groups. Mood symptoms, assessed illness severity and social functioning improved more with the extract at treatment end, but these differences weakened after discontinuation. Benefits for manic symptoms or quality of life were not demonstrated.
The abstract describes an analysis of treatment completers and supplies no effect sizes or confidence intervals. It therefore leaves the magnitude and precision of the reported improvements unclear.
An addition to usual care
The trial evaluated a particular mangosteen pericarp extract alongside existing treatment for bipolar depression. Its results concern adults with substantial depressive symptoms receiving this added preparation; they do not establish the extract as a replacement for usual care.
Timing changes the interpretation
The abstract separates the overall course of depression from improvements seen at the final treatment assessment. Those time-specific differences do not settle the main question of superior depression reduction, especially because they weakened at the assessment after treatment stopped.
The original publication
The efficacy of adjunctive Garcinia mangostana Linn. (mangosteen) pericarp extract for bipolar depression: 24-week randomised controlled trial.
Dean OM, Cotton SM, Ashton MM et al.
Br J Psychiatry · 2025
- PubMed ID
- 40637133
- Record checked
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