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Condition

Bipolar Disorder

Bipolar disorder is a mood condition in which a person swings between depressive episodes and episodes of mania or milder hypomania, involving changes in brain circuits that regulate mood and energy. Among supplements, the evidence is strongest for fish oil rich in EPA, and five small trials found bipolar symptoms improved. Those trials included only about 260 people, and studies of inositol and CDP-choline found no clear difference, though each was very small.

Sources: PMID 16814257; PMID 15465995

Supplements studied
8
Graded outcomes
9
Trials
12
People studied
1,915

Evidence by supplement

  • Strong
  • Moderate
  • Limited
  • Very limited

8 supplements

Fish Oil: outcomes studied for Bipolar Disorder
GradeOutcomeEffectSizeStudiesPeopleStudies list
Bipolar Disorder Symptoms

Small Improvement

Improves (the measure goes down)Small effect5 studies261 people
Depression SymptomsImproves (the measure goes down)14 studies165 people
Ashwagandha: outcomes studied for Bipolar Disorder
GradeOutcomeEffectSizeStudiesPeopleStudies list
Anxiety Symptoms

Moderate Improvement

Improves (the measure goes down)Moderate effect5 studies60 people
Bipolar Disorder SymptomsImproves (the measure goes down)1 study60 people
AttentionImproves (the measure goes up)60 people
Depression SymptomsImproves (the measure goes down)60 people
Executive FunctionImproves (the measure goes up)60 people
MemoryImproves (the measure goes up)60 people
Processing AccuracyImproves (the measure goes up)60 people
Processing SpeedImproves (the measure goes up)60 people

Coenzyme Q10

  • Anti-Oxidant Enzyme Profile: improves
  • Oxidative Stress Biomarkers: improves
  • Depression Symptoms: improves
Coenzyme Q10: outcomes studied for Bipolar Disorder
GradeOutcomeEffectSizeStudiesPeopleStudies list
Anti-Oxidant Enzyme Profile

Small Increase

Improves (the measure goes up)Small effect2 studies89 people
Oxidative Stress BiomarkersImproves (the measure goes down)9 studies89 people
Depression SymptomsImproves (the measure goes down)2 studies89 people
Interleukin 6Improves (the measure goes down)2 studies89 people
Interleukin 10Improves (the measure goes up)89 people
TNF-AlphaImproves (the measure goes down)89 people

Chromium

  • Bipolar Disorder Symptoms: improves
  • Depression Symptoms: improves
Chromium: outcomes studied for Bipolar Disorder
GradeOutcomeEffectSizeStudiesPeopleStudies list
Bipolar Disorder Symptoms

Small Improvement

Improves (the measure goes down)Small effect30 people
Depression SymptomsImproves (the measure goes down)4 studies30 people

Uridine

  • Bipolar Disorder Symptoms: improves
  • Depression Symptoms: improves
Uridine: outcomes studied for Bipolar Disorder
GradeOutcomeEffectSizeStudiesPeopleStudies list
Bipolar Disorder Symptoms

Small Improvement

Improves (the measure goes down)Small effect7 people
Depression Symptoms

Small Improvement

Improves (the measure goes down)Small effect7 people

CDP-Choline

  • Bipolar Disorder Symptoms
  • Cocaine Addiction Symptoms
CDP-Choline: outcomes studied for Bipolar Disorder
GradeOutcomeEffectSizeStudiesPeopleStudies list
Bipolar Disorder Symptoms

No significant effect on bipolar symptoms

NoneNo effect1 study44 people

Studies that measured bipolar disorder symptoms

Cocaine Addiction Symptoms

Inositol

  • Bipolar Disorder Symptoms
  • Depression Symptoms: improves
Inositol: outcomes studied for Bipolar Disorder
GradeOutcomeEffectSizeStudiesPeopleStudies list
Bipolar Disorder Symptoms

No effect

NoneNo effect1 study24 people

Studies that measured bipolar disorder symptoms

Depression SymptomsImproves (the measure goes down)5 studies24 people

N-Acetylcysteine

  • Anxiety Symptoms
  • Depression Symptoms: improves
N-Acetylcysteine: outcomes studied for Bipolar Disorder
GradeOutcomeEffectSizeStudiesPeopleStudies list
Anxiety Symptoms

No effect

NoneNo effect315 people
Depression SymptomsImproves (the measure goes down)4 studies335 people

Key findings

  • Bipolar Disorder SymptomsFish OilImproves (the measure goes down)
  • Anxiety SymptomsAshwagandhaImproves (the measure goes down)
  • Anti-Oxidant Enzyme ProfileCoenzyme Q10Improves (the measure goes up)

The Bipolar Disorder Nutritional Support protocol

2 primary supplements · 6 supporting supplements

See the full protocol

Studies cited

55 studies from PubMed

  1. Effects of Coenzyme Q10 Supplementation on Depressive Symptoms and Fatigue: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.J Clin Psychopharmacol, 2026 · PMID 41294251
  2. N-acetylcysteine as an adjunctive treatment for bipolar depression and major depressive disorder: a systematic review and meta-analysis of double-blind, randomized placebo-controlled trials.Psychopharmacology · PMID 32767039
  3. N-acetylcysteine as an adjunctive treatment for bipolar depression: A systematic review and meta-analysis of randomized controlled trials.Bipolar Disord · PMID 33354859
  4. The effect of N-acetylcysteine on bipolar depression: a systematic review and meta-analysis of randomized controlled trials.Psychopharmacology · PMID 33641060
  5. N-Acetylcysteine in depressive symptoms and functionality: a systematic review and meta-analysis.J Clin Psychiatry · PMID 27137430
  6. Inositol as an add-on treatment for bipolar depressionBipolar Disord · PMID 11254020
  7. Myo-inositol in the treatment of premenstrual dysphoric disorderHum Psychopharmacol · PMID 22031267
  8. Inositol addition does not improve depression in SSRI treatment failuresJ Neural Transm · PMID 10907738
  9. Treatment-resistant bipolar depression: a STEP-BD equipoise randomized effectiveness trial of antidepressant augmentation with lamotrigine, inositol, or risperidoneAm J Psychiatry · PMID 16449473
  10. Double-blind, controlled trial of inositol treatment of depressionAm J Psychiatry · PMID 7726322
  11. Inositol for depressive disorders.Cochrane Database Syst Rev · PMID 15106232
  12. The role of essential fatty acids in chronic fatigue syndrome. A case-controlled study of red-cell membrane essential fatty acids (EFA) and a placebo-controlled treatment study with high dose of EFAActa Neurol Scand · PMID 10071170
  13. Omega 3 fatty acids in bipolar disorder: a preliminary double-blind, placebo-controlled trialArch Gen Psychiatry · PMID 10232294
  14. Efficacy of ethyl-eicosapentaenoic acid in bipolar depression: randomised double-blind placebo-controlled studyBr J Psychiatry · PMID 16388069
  15. Omega-3 fatty acid treatment, with or without cytidine, fails to show therapeutic properties in bipolar disorder: a double-blind, randomized add-on clinical trialJ Clin Psychopharmacol · PMID 22926607
  16. Double-blind, randomized, placebo-controlled trials of ethyl-eicosapentanoate in the treatment of bipolar depression and rapid cycling bipolar disorderBiol Psychiatry · PMID 16814257
  17. Omega-3 fatty acid treatment and T(2) whole brain relaxation times in bipolar disorderAm J Psychiatry · PMID 15465995
  18. Fish oil supplementation in the treatment of major depression: a randomised double-blind placebo-controlled trialProg Neuropsychopharmacol Biol Psychiatry · PMID 17659823
  19. A dose-ranging study of the effects of ethyl-eicosapentaenoate in patients with ongoing depression despite apparently adequate treatment with standard drugsArch Gen Psychiatry · PMID 12365878
  20. Omega-3 fatty acids in major depressive disorder. A preliminary double-blind, placebo-controlled trialEur Neuropsychopharmacol · PMID 12888186
  21. Ethyl-eicosapentaenoic acid for the treatment of psychological distress and depressive symptoms in middle-aged women: a double-blind, placebo-controlled, randomized clinical trialAm J Clin Nutr · PMID 19116322
  22. Efficacy of omega-3 for vasomotor symptoms treatment: a randomized controlled trialMenopause · PMID 23982113
  23. Omega-3 fatty acids and supportive psychotherapy for perinatal depression: a randomized placebo-controlled studyJ Affect Disord · PMID 18206247
  24. The Mothers, Omega-3, and Mental Health Study: a double-blind, randomized controlled trialAm J Obstet Gynecol · PMID 23531328
  25. Supplementation of a low dose of DHA or DHA+AA does not prevent peripartum depressive symptoms in a small population based sampleProg Neuropsychopharmacol Biol Psychiatry · PMID 18955102
  26. Omega-3 fatty acids for major depressive disorder during pregnancy: results from a randomized, double-blind, placebo-controlled trialJ Clin Psychiatry · PMID 18370571
  27. Omega-3 fatty acids as a treatment for perinatal depression: randomized double-blind placebo-controlled trialAust N Z J Psychiatry · PMID 18247194
  28. Omega-3 fatty acids for a better mental state in working populations - Happy Nurse Project: A 52-week randomized controlled trialJ Psychiatr Res · PMID 29627596
  29. Effect of maternal docosahexaenoic acid supplementation on postpartum depression and information processingAm J Obstet Gynecol · PMID 12748510
  30. The effect of omega 3 fatty acid supplementation on premenstrual syndrome and health-related quality of life: a randomized clinical trialJ Psychosom Obstet Gynaecol · PMID 28707491
  31. Coenzyme Q10 supplementation reduces oxidative stress and decreases antioxidant enzyme activity in children with autism spectrum disordersPsychiatry Res · PMID 29684771
  32. Coenzyme Q10 supplementation reduces oxidative stress and increase antioxidant enzyme activity in patients with coronary artery diseaseNutrition · PMID 21996047
  33. Effects of coenzyme Q10 supplementation on liver mitochondrial function and aerobic capacity in adolescent athletesZhongguo Ying Yong Sheng Li Xue Za Zhi · PMID 21180141
  34. Postprandial antioxidant effect of the Mediterranean diet supplemented with coenzyme Q10 in elderly men and womenAge · PMID 21170684
  35. Effects of Coenzyme Q10 Supplementation on Biomarkers of Oxidative Stress in Adults: A GRADE-Assessed Systematic Review and Updated Meta-Analysis of Randomized Controlled Trials.Antioxidants · PMID 35883851
  36. Evaluating the Effect of Coenzyme Q10 Augmentation on Treatment of Bipolar Depression: A Double-Blind Controlled Clinical TrialJ Clin Psychopharmacol · PMID 30106880
  37. Influence of adjuvant Coenzyme Q10 on inflammatory and oxidative stress biomarkers in patients with bipolar disorders during the depressive episodeMol Biol Rep · PMID 31346916
  38. The effects of coenzyme Q10 supplementation on cardiometabolic markers in overweight type 2 diabetic patients with stable myocardial infarction: A randomized, double-blind, placebo-controlled trialARYA Atheroscler · PMID 28149310
  39. Coenzyme Q10 improves seminal oxidative defense but does not affect on semen parameters in idiopathic oligoasthenoteratozoospermia: a randomized double-blind, placebo controlled trialJ Endocrinol Invest · PMID 21399391
  40. Effect of Coenzyme Q10 supplementation on antioxidant enzymes activity and oxidative stress of seminal plasma: a double-blind randomised clinical trialAndrologia · PMID 23289958
  41. Reversal of mitochondrial dysfunction by coenzyme Q10 supplement improves endothelial function in patients with ischaemic left ventricular systolic dysfunction: a randomized controlled trialAtherosclerosis · PMID 21388622
  42. Coenzyme Q10 supplementation alleviates pain in pregabalin-treated fibromyalgia patients via reducing brain activity and mitochondrial dysfunctionFree Radic Res · PMID 31387429
  43. Oxidative stress correlates with headache symptoms in fibromyalgia: coenzyme Q₁₀ effect on clinical improvementPLoS One · PMID 22532869
  44. Oral coenzyme Q10 supplementation in patients with migraine: Effects on clinical features and inflammatory markersNutr Neurosci · PMID 29298622
  45. Chromium potentiation of antidepressant pharmacotherapy for dysthymic disorder in 5 patientsJ Clin Psychiatry · PMID 10221284
  46. Effectiveness of chromium in atypical depression: a placebo-controlled trialBiol Psychiatry · PMID 12559660
  47. A double-blind, placebo-controlled, exploratory trial of chromium picolinate in atypical depression: effect on carbohydrate cravingJ Psychiatr Pract · PMID 16184071
  48. A 2-year, open-label pilot study of adjunctive chromium in patients with treatment-resistant rapid-cycling bipolar disorderJ Clin Psychopharmacol · PMID 17224731
  49. A randomized, placebo-controlled trial of citicoline add-on therapy in outpatients with bipolar disorder and cocaine dependenceJ Clin Psychopharmacol · PMID 17873684
  50. Efficacy and Safety of Ashwagandha (Withania somnifera) Root Extract in Insomnia and Anxiety: A Double-blind, Randomized, Placebo-controlled StudyCureus · PMID 31728244
  51. Effect of Ashwagandha (Withania somnifera) extract on sleep: A systematic review and meta-analysisPLoS One · PMID 34559859
  52. Randomized placebo-controlled adjunctive study of an extract of withania somnifera for cognitive dysfunction in bipolar disorderJ Clin Psychiatry · PMID 24330893
  53. Safety and efficacy of Withania somnifera for anxiety and insomnia: Systematic review and meta-analysis.Hum Psychopharmacol · PMID 39083548
  54. Naturopathic care for anxiety: a randomized controlled trial ISRCTN78958974PLoS One · PMID 19718255
  55. A double-blind, placebo-controlled evaluation of the anxiolytic efficacy ff an ethanolic extract of withania somniferaIndian J Psychiatry · PMID 21407960