Product Image

CoQ10 100 mg

California Gold Nutrition
4.7
★ ★ ★ ★ ★
(41045 ratings)
Coenzyme Q-10 100 mg
Product Image
Score83
A maintenance-level dose and softgel delivery provide a practical daily formula. Ubiquinone is less readily used than ubiquinol, and the carrier oil is not disclosed.
How scoring works
Quantity:120 Softgel(s) • (120 servings)
Goals:
Heart Health
Energy
Anti-Aging
Cardiovascular Support
Metabolism Boost
Anti-Inflammatory Support

Score 83

A maintenance-level dose and softgel delivery provide a practical daily formula. Ubiquinone is less readily used than ubiquinol, and the carrier oil is not disclosed.
How scoring works
$21.48($0.17 per serving)
iHerb
$ 21.48
Report prices

Analysis

The serving provides 100 mg of ubiquinone in a softgel. A maintenance-level dose and softgel delivery provide a practical daily formula.

CoQ10 supports cellular energy production and may fit heart, energy, or healthy-aging routines. The product stays focused without piperine or unrelated botanical blends.

A 120-serving supply offers strong routine value. Ubiquinone is less readily used than ubiquinol, and the carrier oil is not disclosed.

Who is it for
  • Adults seeking routine CoQ10 maintenance
  • People wanting a four-month supply
Best for
  • Daily heart and energy support
  • Balanced supply and value

Pros

  • Provides 100 mg of ubiquinone
  • Softgel delivery
  • Offers 120 servings

Cons

  • Carrier oil is not named
  • Ubiquinone is less readily used than ubiquinol
  • No absorption enhancer is listed

Warnings

  • CoQ10 may reduce warfarin’s anticoagulant effect, so warfarin users should ask their prescriber about monitoring.

Nutrient quality

89 Highest impact

Ubiquinone is clearly identified, and softgel delivery may help absorption of the fat-soluble active. The CoQ10 amount is meaningful for general maintenance.

.

Ingredient transparency

82 Highest impact

Every supplied active ingredient has a specific amount. No proprietary blend hides a meaningful active dose.

.

Customer satisfaction

68 High impact

The supplied aggregate rating is strong, although no specific comments are included. The large rating count makes the aggregate result relatively stable.

.

Value for money

90 Highest impact

Formula quality provides reasonable support for the product positioning. Dose-adjusted serving value appears strong, and the formula avoids obvious low-value padding.

.
Report analysis

Goals

Heart Health
Impact
Highest effect
A- Goal FitA- Strength of SupportC CoverageA+ Formula Quality
Coenzyme Q-10 · 100 mg

CoQ10 directly supports mitochondrial energy production in heart muscle and provides antioxidant activity. Ubiquinone at 100 mg is a practical maintenance amount, and softgel delivery may improve absorption.

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
Energy
Impact
Highest effect
A- Goal FitA- Strength of SupportC CoverageA+ Formula Quality
Coenzyme Q-10 · 100 mg

Ubiquinone directly participates in mitochondrial energy production, and the disclosed amount fits maintenance use. The softgel may aid absorption, although ubiquinone is less readily used than ubiquinol and the lipid base is not identified.

The focused formula gives depth to one cellular-energy pathway but does not address alertness or stress resilience. CoQ10 may reduce the anticoagulant effect of warfarin, so people using warfarin should discuss this specific interaction before use.

Study evidence
Coenzyme Q-10 Supportive 32 studies
Anti-Aging
Impact
Highest effect
A- Goal FitB+ Strength of SupportC+ CoverageA+ Formula Quality
Coenzyme Q-10 · 100 mg

The 100 mg CoQ10 serving directly supports mitochondrial energy production and fat-soluble antioxidant protection, both relevant to healthy aging. A softgel may improve uptake compared with a dry tablet and suits routine maintenance.

Ubiquinone requires conversion to ubiquinol and is generally less readily absorbed, especially as that conversion becomes less efficient with age. The product remains narrowly focused and does not address structural, inflammatory, or neurological aging pathways.

Study evidence
Coenzyme Q-10 Supportive 6 studies
Cardiovascular Support
Impact
High effect
B Goal FitB+ Strength of SupportD+ CoverageA Formula Quality
Coenzyme Q-10 · 100 mg

CoQ10 supports energy production in heart muscle and provides antioxidant protection. The disclosed ubiquinone amount is suitable for focused daily maintenance.

A softgel may aid absorption, although the lipid base is not identified. The streamlined design provides depth in cardiac energy but no broader lipid, vascular, or rhythm support.

Study evidence
Coenzyme Q-10 Supportive 89 studies
Metabolism Boost
Impact
High effect
B Goal FitB Strength of SupportD+ CoverageA+ Formula Quality
Coenzyme Q-10 · 100 mg

CoQ10 directly supports the mitochondrial electron transport chain that produces cellular energy. The 100 mg amount is a practical maintenance dose for mitochondrial support.

Ubiquinone is fully disclosed, and the softgel may aid uptake despite an unspecified oil base. Its focused design supports one metabolic pathway rather than broad thermogenic or glucose support.

Study evidence
Coenzyme Q-10 Disputed 11 studies
Anti-Inflammatory Support
Impact
High effect
B- Goal FitB Strength of SupportD+ CoverageA+ Formula Quality
Coenzyme Q-10 · 100 mg

CoQ10 may support inflammatory balance by reducing oxidative stress and supporting mitochondrial function. Its effect is indirect compared with ingredients that more specifically target inflammatory enzymes or immune signaling.

The 100 mg serving is meaningful, but ubiquinone requires conversion to the more readily used ubiquinol form. A softgel may improve uptake, though the supplied data does not identify the lipid base or all excipients.

Study evidence
Coenzyme Q-10 Supportive 46 studies

Ingredients

IngredientAmount per serving
Coenzyme Q-10 (Ubiquinone)
100 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
C+ Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyA+ Value

Ubiquinone can support general CoQ10 intake, though it is less readily absorbed than ubiquinol. The 100 mg serving fits maintenance use, and the softgel format may aid uptake, but the lipid base is not identified. Cost is highly competitive, while incomplete excipient details limit a full label-quality judgment.

Loading alternative details
Report alternatives

Sources

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

  1. 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
  2. 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
  3. 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
  4. 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
  5. Efficacy of coenzyme Q10 in patients with cardiac failure: a meta-analysis of clinical trials.
    Lei L; Liu Y · BMC cardiovascular disorders · 2018
    Meta-analysis2,149 participants14 studies pooledHeart Health forCoenzyme Q-10
  6. 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 pooledHeart Health Cardiovascular Support forCoenzyme Q-10
  7. 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
  8. 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
  9. Blood pressure lowering efficacy of coenzyme Q10 for primary hypertension.
    Ho MJ; Li EC; Wright JM · The Cochrane database of systematic reviews · 2016
    Meta-analysis50 participants3 studies pooledHeart Health forCoenzyme Q-10
  10. Coenzyme Q10: an independent predictor of mortality in chronic heart failure.
    Molyneux SL; Florkowski CM; George PM; Pilbrow AP; Frampton CM; Lever M; Richards AM · Journal of the American College of Cardiology · 2008
    Cohort study236 participantsHeart Health forCoenzyme Q-10
  11. 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
  12. Coenzyme Q10 and Degenerative Disorders Affecting Longevity: An Overview.
    Mantle D; Hargreaves I · Antioxidants (Basel, Switzerland) · 2020
    Narrative reviewAnti-Aging forCoenzyme Q-10
  13. 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
  14. 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
  15. 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
  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. 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
  22. 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
  23. [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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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