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CoQ10 400 mg

Swanson
4.7
★ ★ ★ ★ ★
(299 ratings)
Coenzyme Q-10 400 mg
Product Image
Score76
400 mg of CoQ10 with an unspecified molecular form offers focused CoQ10 support with an appropriate fat-soluble delivery format. The missing molecular-form detail reduces confidence.
How scoring works
Quantity:30 Softgel(s) • (30 servings)
Goals:
Heart Health
Anti-Aging
Cardiovascular Support
Energy
Metabolism Boost
Anti-Inflammatory Support

Score 76

400 mg of CoQ10 with an unspecified molecular form offers focused CoQ10 support with an appropriate fat-soluble delivery format. The missing molecular-form detail reduces confidence.
How scoring works

Also available as

6 options
30.00mg • 240 Capsule(s) servings Coenzyme Q-10 30 mg • 240 Capsule(s) • 240 servings $21.79 ($0.09 per serving) 60.00mg • 120 Softgel(s) servings Coenzyme Q-10 60 mg • 120 Softgel(s) • 120 servings $16.29 ($0.13 per serving) 100.00mg • 100 Softgel(s) servings Coenzyme Q-10 100 mg • 100 Softgel(s) • 100 servings $21.19 ($0.21 per serving) 120.00mg • 100 Capsule(s) servings Coenzyme Q-10 120 mg • 100 Capsule(s) • 100 servings $22.29 ($0.22 per serving) 100.00mg • 50 Softgel(s) servings Coenzyme Q-10 100 mg • 50 Softgel(s) • 50 servings $11.79 ($0.23 per serving) 200.00mg • 90 Capsule(s) servings Coenzyme Q-10 200 mg • 90 Capsule(s) • 90 servings $24.99 ($0.27 per serving)
$12.09($0.40 per serving)
iHerb
$ 19.49
iHerb
$ 19.49
Walmart
$ 12.09
Report prices

Analysis

The serving supplies 400 mg of CoQ10 with an unspecified molecular form. CoQ10 supports mitochondrial energy production and acts as a fat-soluble antioxidant, with the clearest practical value when intake, synthesis, or status is inadequate.

The missing ubiquinol-versus-ubiquinone detail prevents a precise assessment of absorption and conversion needs. Softgel delivery is appropriate for a fat-soluble ingredient and generally supports better uptake than a dry powder capsule.

The amount is far above routine maintenance and is better suited to a specific, monitored reason than casual daily use. The single-active formula does not cover broader energy, lipid, inflammatory, or metabolic pathways, so it should be viewed as focused CoQ10 support.

Who is it for
  • Adults seeking higher targeted CoQ10 intake
  • People wanting a focused single-ingredient formula
Best for
  • Supporting mitochondrial energy production
  • Foundational cardiovascular nutrient support

Pros

  • Clearly states the CoQ10 amount
  • Provides a clearly stated 400 mg amount
  • Uses a softgel suited to a fat-soluble ingredient

Cons

  • Molecular form is not identified
  • Amount is unusually high for routine use
  • Absorption and conversion needs are harder to judge

Warnings

  • CoQ10 can reduce warfarin’s anticoagulant effect, so INR monitoring and prescriber coordination are important.
  • CoQ10 may add to the blood-pressure-lowering effect of antihypertensive medicines and can cause dizziness in susceptible users.
  • Digestive upset, headache, or sleep disturbance can occur; taking it earlier in the day with food may improve tolerance.
  • The 400 mg amount is high and should have a defined clinical or nutritional rationale rather than being used automatically.

Nutrient quality

80 Highest impact

Softgel delivery is useful, but the unidentified molecular form limits quality assurance. The amount is substantial but exceeds routine maintenance needs, while the high amount may be more aggressive than needed for general use.

.

Ingredient transparency

72 High impact

The active amount is clear and no hidden blend is used, but the molecular form is not identified. Serving directions and inactive ingredients are not supplied.

.

Customer satisfaction

64 Moderate impact

The supplied average rating is strong and comes from a limited rating pool. No firsthand experiences or recurring complaint details were provided, so consistency remains uncertain.

.

Value for money

86 Highest impact

A high amount and favorable serving cost create strong ingredient value. The unidentified molecular form and high dose reduce practical suitability.

.
Report analysis

Goals

Heart Health
Heart Health
Impact
Highest effect
A- Goal FitA Strength of SupportC CoverageA+ Formula Quality
Coenzyme Q-10 · 400 mg

CoQ10 directly supports mitochondrial energy production in heart muscle and provides antioxidant activity. The 400 mg amount is substantial and softgel delivery is useful, but the label does not distinguish ubiquinol from ubiquinone.

The focused formula does not address lipids, vascular tone, or homocysteine through separate actives. CoQ10 may reduce the anticoagulant effect of warfarin, so users of that medicine need prescriber guidance.

Study evidence
Coenzyme Q-10 Supportive 114 studies
Anti-Aging
Anti-Aging
Impact
Highest effect
A- Goal FitA Strength of SupportC+ CoverageA+ Formula Quality
Coenzyme Q-10 · 400 mg

CoQ10 directly supports mitochondrial energy production and antioxidant protection, two mechanisms relevant to age-related cellular decline. The 400 mg amount is meaningful, though human benefits vary by health status and outcome.

The softgel format supports fat-soluble delivery, but the label does not identify ubiquinol or another enhanced form. CoQ10 may reduce the effect of warfarin in some users, so anticoagulation monitoring may need adjustment.

Study evidence
Coenzyme Q-10 Supportive 6 studies
Cardiovascular Support
Cardiovascular Support
Impact
Highest effect
A- Goal FitA- Strength of SupportC CoverageA+ Formula Quality
Coenzyme Q-10 · 400 mg

A high CoQ10 amount provides focused support for mitochondrial energy in heart muscle. Human evidence is most relevant for people with higher needs, including some statin users and selected cardiovascular conditions.

The softgel format supports absorption of fat-soluble CoQ10, but the label does not identify ubiquinone or ubiquinol. The 400 mg amount is substantial and may cause stomach upset in sensitive users.

Study evidence
Coenzyme Q-10 Supportive 89 studies
Energy
Energy
Impact
Highest effect
A- Goal FitA- Strength of SupportC CoverageA Formula Quality
Coenzyme Q-10 · 400 mg

CoQ10 directly participates in mitochondrial energy production, and the 400 mg serving provides a high-potency amount. The softgel format supports absorption of this fat-soluble compound.

The label does not identify ubiquinol or ubiquinone, so the molecular form and expected absorption remain uncertain. The formula is focused and substantial but covers only the mitochondrial pathway rather than alertness or stress resilience.

Study evidence
Coenzyme Q-10 Supportive 32 studies
Metabolism Boost
Metabolism Boost
Impact
Highest effect
B+ Goal FitA Strength of SupportC CoverageA+ Formula Quality
Coenzyme Q-10 · 400 mg

CoQ10 directly participates in mitochondrial energy production and provides a clear metabolic mechanism. The 400 mg serving offers strong depth for this pathway.

Softgel delivery supports absorption of the fat-soluble active, but the label does not identify ubiquinol or ubiquinone. The streamlined formula lacks wider thermogenic, glycemic, or thyroid support yet avoids dilution and unnecessary ingredients.

Study evidence
Coenzyme Q-10 Disputed 11 studies
Anti-Inflammatory Support
Anti-Inflammatory Support
Impact
High effect
B Goal FitB+ Strength of SupportC CoverageA+ Formula Quality
Coenzyme Q-10 · 400 mg

A high amount of CoQ10 supports mitochondrial antioxidant defense and may help moderate inflammation-related markers. The softgel format is useful for a fat-soluble ingredient, but the label does not identify ubiquinone or ubiquinol.

The focused serving provides substantial depth in one antioxidant and energy pathway. CoQ10 may reduce warfarin activity, so users taking this anticoagulant need consistent supervised use.

Study evidence
Coenzyme Q-10 Supportive 46 studies

Ingredients

IngredientAmount per serving
Coenzyme Q10
400 mg
Adults 18–50
Report overview
Coenzyme Q-10 · 400 mg OverallScore76
D- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

The label does not specify the CoQ10 molecular form, limiting confidence in how readily it can be used. The high amount and softgel delivery still support a substantial daily serving. Cost efficiency is strong for the quantity supplied.

View ingredientView products
Loading alternative details
87 Performance

Extra Strength Ubiquinol 200 mg

NOW
The reduced ubiquinol form at 200 mg supports absorption and keeps the formula closely aligned with CoQ10 use. The provided quality and goal assessments are stronger than the original, although the ingredient list still does not provide independent testing or certification details.
85 Performance

Mega Ubiquinol CoQ10 100 mg

Qunol
The reduced ubiquinol form at 100 mg supports absorption and keeps the formula closely aligned with CoQ10 use. The provided quality and goal assessments are stronger than the original, although the ingredient list still does not provide independent testing or certification details.
85 Performance

Super Ubiquinol CoQ10 with Enhanced Mitochondrial Support 100 mg

Life Extension
The reduced ubiquinol form at 100 mg supports absorption and keeps the formula closely aligned with CoQ10 use. The provided quality and goal assessments are stronger than the original, although the added shilajit makes the formula less focused and may not suit people seeking CoQ10 alone.
87 Budget

Mega CoQ10 Ubiquinol 100 mg

Qunol
The reduced ubiquinol form at 100 mg supports absorption and keeps the formula closely aligned with CoQ10 use. Its lower serving cost improves routine value compared with the original; the ingredient list still does not provide independent testing or certification details.
87 Budget

QH-absorb 100 mg

Jarrow Formulas
The reduced ubiquinol form at 100 mg supports absorption and keeps the formula closely aligned with CoQ10 use. Its lower serving cost improves routine value compared with the original; the ingredient list still does not provide independent testing or certification details.
87 Budget

CoQ10 200 mg

California Gold Nutrition
A clearly stated ubiquinone dose at 200 mg provides a focused CoQ10 formula without unrelated active ingredients. Its lower serving cost improves routine value compared with the original; Ubiquinone is the oxidized form, so people specifically seeking ubiquinol may prefer another option.
86 Value

Ubiquinol 100 mg

NOW
The reduced ubiquinol form at 100 mg supports absorption and keeps the formula closely aligned with CoQ10 use. Strong provided quality and goal assessments combine with favorable serving economics, improving the balance of formulation and value; the ingredient list still does not provide independent testing or certification details.
84 Value

High Absorption CoQ10 200 mg

Doctor's Best
Ubiquinone at 200 mg is paired with black pepper extract to support absorption, adding a practical feature to a focused CoQ10 formula. Strong provided quality and goal assessments combine with favorable serving economics, improving the balance of formulation and value; Black pepper extract can affect how some medicines are handled, so medication users should check suitability.
79 Value

Ubiquinol 100 mg

Qunol
Named Kaneka ubiquinol at 100 mg gives clear disclosure of the reduced CoQ10 form, which is often chosen for easier absorption. Strong provided quality and goal assessments combine with favorable serving economics, improving the balance of formulation and value; the ingredient list still does not provide independent testing or certification details.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. A randomized, double-blind, placebo-controlled study of oral coenzyme Q10 to relieve self-reported treatment-related fatigue in newly diagnosed patients with breast cancer.
    Lesser GJ; Case D; Stark N; Williford S; Giguere J; Garino LA; Naughton MJ; Vitolins MZ; Lively MO; Shaw EG; Wake Forest University Community Clinical Oncology Program Research Base · The journal of supportive oncology · 2013
    Randomized trial236 participantsEnergy forCoenzyme Q-10
  2. Coenzyme Q10 supplementation increases blood concentrations but shows limited and inconsistent effects on exercise performance: a systematic review and meta-analysis.
    Deng H; Song T; Yin M; Xu K; Zhong Y; Mohd NB; Naharudin MNB; Yusof A; Fan X · The British journal of nutrition · 2026
    Meta-analysis24 studies pooledEnergy forCoenzyme Q-10
  3. Platelet mitochondrial function and endogenous coenzyme Q10 levels are reduced in patients after COVID-19.
    Sumbalova Z; Kucharska J; Palacka P; Rausova Z; Langsjoen PH; Langsjoen AM; Gvozdjakova A · Bratislavske lekarske listy · 2022
    Cross-sectional study25 participantsEnergy forCoenzyme Q-10
  4. Effects of Coenzyme Q10 on Statin-Induced Myopathy: An Updated Meta-Analysis of Randomized Controlled Trials.
    Qu H; Guo M; Chai H; Wang WT; Gao ZY; Shi DZ · Journal of the American Heart Association · 2019
    Meta-analysis575 participants12 studies pooledEnergy forCoenzyme Q-10
  5. Coenzyme Q10 Supplementation in Athletes: A Systematic Review.
    Fernandes MSS; Fidelis DEDS; Aidar FJ; Badicu G; Greco G; Cataldi S; Santos GCJ; de Souza RF; Ardigò LP · Nutrients · 2026
    Systematic review16 studies pooledEnergy forCoenzyme Q-10
  6. Can coenzyme q10 improve clinical and molecular parameters in fibromyalgia?
    Cordero MD; Alcocer-Gómez E; de Miguel M; Culic O; Carrión AM; Alvarez-Suarez JM; Bullón P; Battino M; Fernández-Rodríguez A; Sánchez-Alcazar JA · Antioxidants & redox signaling · 2014
    Randomized trial20 participantsEnergy forCoenzyme Q-10
  7. Effect of coenzyme Q10 supplementation on fatigue: A systematic review of interventional studies.
    Mehrabani S; Askari G; Miraghajani M; Tavakoly R; Arab A · Complementary therapies in medicine · 2019
    Systematic review16 studies pooledEnergy forCoenzyme Q-10
  8. Coenzyme Q10 supplementation in rheumatic diseases: A systematic review.
    Freire de Carvalho J; Skare T · Clinical nutrition ESPEN · 2024
    Systematic review483 participants20 studies pooledEnergy forCoenzyme Q-10
  9. Ubiquinol-10 supplementation improves autonomic nervous function and cognitive function in chronic fatigue syndrome.
    Fukuda S; Nojima J; Kajimoto O; Yamaguti K; Nakatomi Y; Kuratsune H; Watanabe Y · BioFactors (Oxford, England) · 2017
    Randomized trial63 participantsEnergy forCoenzyme Q-10
  10. Ubiquinol-10 Intake Is Effective in Relieving Mild Fatigue in Healthy Individuals.
    Mizuno K; Sasaki AT; Watanabe K; Watanabe Y · Nutrients · 2021
    Clinical trial62 participantsEnergy forCoenzyme Q-10
  11. Coenzyme Q10 and Degenerative Disorders Affecting Longevity: An Overview.
    Mantle D; Hargreaves I · Antioxidants (Basel, Switzerland) · 2020
    Narrative reviewAnti-Aging forCoenzyme Q-10
  12. Coenzyme Q10 Supplementation in Aging and Disease.
    Hernández-Camacho JD; Bernier M; López-Lluch G; Navas P · Frontiers in physiology · 2022
    Narrative reviewAnti-Aging forCoenzyme Q-10
  13. Coenzyme Q10, a cutaneous antioxidant and energizer.
    Hoppe U; Bergemann J; Diembeck W; Ennen J; Gohla S; Harris I; Jacob J; Kielholz J; Mei W; Pollet D; Schachtschabel D; Sauermann G; Schreiner V; Stäb F; Steckel F · BioFactors (Oxford, England) · 1999
    Clinical trialAnti-Aging forCoenzyme Q-10
  14. Supplements and Drugs Are Associated With Biological Age in a Cohort of Exceptionally Healthy Individuals.
    Pabis K; Wang W; Selvarajoo K; Budovskaya YV; Sorrentino V; Gruber J; Kennedy BK · Aging cell · 2026
    Cross-sectional study4,260 participantsAnti-Aging forCoenzyme Q-10
  15. Coenzyme Q10 supplementation raises plasma levels without improving mitochondrial function in older adults.
    Schmücker M; Tranberg C; Borch J; Kaae MK; Damgaard M; Flensted-Jensen M; Blom I; Morosetti M; Barbarossa S; Orlando P; Tiano L; Dela F; Helge JW; Larsen S · GeroScience · 2026
    Randomized trial40 participantsAnti-Aging forCoenzyme Q-10
  16. The effect of coenzyme Q10 supplementation on inflammatory and endothelial dysfunction markers in overweight/obese polycystic ovary syndrome patients.
    Taghizadeh S; Izadi A; Shirazi S; Parizad M; Pourghassem Gargari B · Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology · 2021
    Randomized trial43 participantsAnti-Inflammatory Support forCoenzyme Q-10
  17. The effects of coenzyme Q10 supplementation on metabolic profiles and parameters of mental health in women with polycystic ovary syndrome.
    Karamali M; Gholizadeh M · Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology · 2022
    Randomized trial55 participantsAnti-Inflammatory Support forCoenzyme Q-10
  18. Efficacy and Optimal Dose of Coenzyme Q10 Supplementation on Inflammation-Related Biomarkers: A GRADE-Assessed Systematic Review and Updated Meta-Analysis of Randomized Controlled Trials.
    Hou S; Tian Z; Zhao D; Liang Y; Dai S; Ji Q; Fan Z; Liu Z; Liu M; Yang Y · Molecular nutrition & food research · 2023
    Meta-analysis1,517 participants31 studies pooledAnti-Inflammatory Support forCoenzyme Q-10
  19. Can coenzyme Q10 supplementation effectively reduce human tumor necrosis factor-α and interleukin-6 levels in chronic inflammatory diseases? A systematic review and meta-analysis of randomized controlled trials.
    Farsi F; Heshmati J; Keshtkar A; Irandoost P; Alamdari NM; Akbari A; Janani L; Morshedzadeh N; Vafa M · Pharmacological research · 2020
    Meta-analysis509 participants9 studies pooledAnti-Inflammatory Support forCoenzyme Q-10
  20. Promising efficacy of coenzyme Q10 supplementation as adjunctive therapy in juvenile idiopathic arthritis: a randomized-controlled pilot study.
    Elsherif N; Shousha G; Sabri NA; Shawki MA · Immunopharmacology and immunotoxicology · 2026
    Randomized trial58 participantsAnti-Inflammatory Support forCoenzyme Q-10
  21. Effects of Coenzyme Q10 Supplementation on Lipid Profiles in Adults: A Meta-analysis of Randomized Controlled Trials.
    Liu Z; Tian Z; Zhao D; Liang Y; Dai S; Liu M; Hou S; Dong X; Zhaxinima; Yang Y · The Journal of clinical endocrinology and metabolism · 2022
    Meta-analysis2,794 participants50 studies pooledCardiovascular Support Heart Health forCoenzyme Q-10
  22. Six-month supplementation with high dose coenzyme Q10 improves liver steatosis, endothelial, vascular and myocardial function in patients with metabolic-dysfunction associated steatotic liver disease: a randomized double-blind, placebo-controlled trial.
    Vrentzos E; Ikonomidis I; Pavlidis G; Katogiannis K; Korakas E; Kountouri A; Pliouta L; Michalopoulou E; Pelekanou E; Boumpas D; Lambadiari V · Cardiovascular diabetology · 2024
    Randomized trial60 participantsCardiovascular Support forCoenzyme Q-10
  23. The effect of coenzyme Q10 on morbidity and mortality in chronic heart failure: results from Q-SYMBIO: a randomized double-blind trial.
    Mortensen SA; Rosenfeldt F; Kumar A; Dolliner P; Filipiak KJ; Pella D; Alehagen U; Steurer G; Littarru GP; Q-SYMBIO Study Investigators · JACC. Heart failure · 2015
    Randomized trial420 participantsCardiovascular Support forCoenzyme Q-10
  24. [Coenzyme Q-10 in the treatment of patients with chronic heart failure and reduced left ventricular ejection fraction: systematic review and meta-analysis].
    Mareev VY; Mareev YV; Begrambekova YL · Kardiologiia · 2022
    Meta-analysis1,139 participants6 studies pooledCardiovascular Support forCoenzyme Q-10
  25. Effect of coenzyme Q10 in Europeans with chronic heart failure: A sub-group analysis of the Q-SYMBIO randomized double-blind trial.
    Mortensen AL; Rosenfeldt F; Filipiak KJ · Cardiology journal · 2020
    Randomized trialCardiovascular Support forCoenzyme Q-10
  26. Effectiveness of Coenzyme Q10 Supplementation for Reducing Fatigue: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
    Tsai IC; Hsu CW; Chang CH; Tseng PT; Chang KV · Frontiers in pharmacology · 2024
    Meta-analysis1,126 participants13 studies pooledEnergy forCoenzyme Q-10
  27. Antifatigue effects of coenzyme Q10 during physical fatigue.
    Mizuno K; Tanaka M; Nozaki S; Mizuma H; Ataka S; Tahara T; Sugino T; Shirai T; Kajimoto Y; Kuratsune H; Kajimoto O; Watanabe Y · Nutrition (Burbank, Los Angeles County, Calif.) · 2008
    Randomized trial17 participantsEnergy forCoenzyme Q-10
  28. Ubiquinol Ameliorates Endothelial Dysfunction in Subjects with Mild-to-Moderate Dyslipidemia: A Randomized Clinical Trial.
    Sabbatinelli J; Orlando P; Galeazzi R; Silvestri S; Cirilli I; Marcheggiani F; Dludla PV; Giuliani A; Bonfigli AR; Mazzanti L; Olivieri F; Antonicelli R; Tiano L · Nutrients · 2021
    Randomized trial51 participantsHeart Health forCoenzyme Q-10
  29. Dose-Response Effect of Coenzyme Q10 Supplementation on Blood Pressure among Patients with Cardiometabolic Disorders: A Grading of Recommendations Assessment, Development, and Evaluation (GRADE)-Assessed Systematic Review and Meta-Analysis of Randomized Controlled Trials.
    Zhao D; Liang Y; Dai S; Hou S; Liu Z; Liu M; Dong X; Zhan Y; Tian Z; Yang Y · Advances in nutrition (Bethesda, Md.) · 2022
    Meta-analysis1,831 participants26 studies pooledHeart Health forCoenzyme Q-10
  30. Effects of Coenzyme Q10 on Lipid, Glycemic, and Inflammatory Markers in Metabolic Disorders: A Systematic Review and Meta-Analysis.
    Zhang Z; Liu Z; Geng Y; Huang Y; Hu R; Li F; Song Y; Zhang M · Journal of diabetes research · 2026
    Meta-analysis3,422 participants64 studies pooledHeart Health Metabolism Boost forCoenzyme Q-10
  31. Treatment of coenzyme Q10 for 24 weeks improves lipid and glycemic profile in dyslipidemic individuals.
    Zhang P; Yang C; Guo H; Wang J; Lin S; Li H; Yang Y; Ling W · Journal of clinical lipidology · 2019
    Randomized trial101 participantsHeart Health forCoenzyme Q-10
  32. Coenzyme Q10 supplementation improves adipokine profile in dyslipidemic individuals: a randomized controlled trial.
    Zhang P; Chen K; He T; Guo H; Chen X · Nutrition & metabolism · 2022
    Randomized trial101 participantsMetabolism Boost forCoenzyme Q-10
  33. Comparison of nutritional supplements in improving glycolipid metabolism and endocrine function in polycystic ovary syndrome: a systematic review and network meta-analysis.
    Hu X; Wang W; Su X; Peng H; Tan Z; Li Y; Huang Y · PeerJ · 2023
    Meta-analysis2,362 participants41 studies pooledMetabolism Boost forCoenzyme Q-10
  34. Ubiquinol supplementation modulates energy metabolism and bone turnover during high intensity exercise.
    Diaz-Castro J; Mira-Rufino PJ; Moreno-Fernandez J; Chirosa I; Chirosa JL; Guisado R; Ochoa JJ · Food & function · 2021
    Randomized trial100 participantsMetabolism Boost forCoenzyme Q-10
  35. The effect of coenzyme Q10 intake on metabolic profiles in women candidates for in-vitro fertilization: a randomised trial.
    Ahmadi Asouri S; Asemi R; Aghadavod E; Jamilian M · Annals of medicine and surgery (2012) · 2024
    Randomized trial40 participantsMetabolism Boost forCoenzyme Q-10