Product Image

CoQ10 400 mg

NOW
4.8
★ ★ ★ ★ ★
(2176 ratings)
Coenzyme Q-10 400 mg
Product Image
Score82
Potent CoQ10, lecithin, and a fat-containing softgel make a coherent high-dose option. Missing form disclosure and limited dose flexibility are meaningful trade-offs.
How scoring works
Quantity:60 Softgel(s) • (60 servings)
Goals:
Cardiovascular Support
Heart Health
Metabolism Boost
Anti-Aging
Anti-Inflammatory Support
Energy

Score 82

Potent CoQ10, lecithin, and a fat-containing softgel make a coherent high-dose option. Missing form disclosure and limited dose flexibility are meaningful trade-offs.
How scoring works
$39.17($0.65 per serving)
Vitacost
$ 45.99
Daily Vita
$ 40.50
iHerb
$ 42.86
Pure Formulas
$ 39.17
iHerb
$ 42.86
iHerb
$ 42.86
Report prices

Analysis

The 400 mg serving provides substantial depth for mitochondrial energy and cardiovascular support. Natural vitamin E and sunflower lecithin add compatible antioxidant and dispersion roles.

A softgel with some fat suits the main active and offers better delivery context than a dry capsule. Ubiquinol versus ubiquinone is not identified, while the high single-unit amount limits dose flexibility.

The 60-serving bottle works best for experienced users who have intentionally chosen a higher amount. Digestive discomfort is more plausible at this dose, and CoQ10 may weaken warfarin response.

Who is it for
  • Experienced users seeking high-dose CoQ10
  • Adults who prefer softgels
  • People wanting a longer high-dose supply
Best for
  • High-dose mitochondrial support
  • Softgel delivery
  • Targeted cardiovascular use

Pros

  • High CoQ10 amount
  • Fat-containing softgel with lecithin
  • Includes natural vitamin E
  • Good amount-for-cost value

Cons

  • Dose may be more than routine users need
  • Molecular form is not identified
  • Single high-dose unit limits adjustment

Warnings

  • The high CoQ10 amount may cause stomach upset in sensitive users.
  • CoQ10 may reduce warfarin response; anticoagulation monitoring may need adjustment.

Nutrient quality

84 Highest impact

Softgel fat and sunflower lecithin support delivery, but the CoQ10 molecular form is not identified. The high amount provides deep targeted CoQ10 exposure.

Ingredient transparency

78 High impact

Specific amounts are disclosed for every listed active ingredient. Fat and vitamin E are disclosed, but the complete softgel excipients are not provided.

Customer satisfaction

74 High impact

The supplied average rating is very strong. The large rating sample provides strong statistical confidence.

Value for money

91 Highest impact

High active depth and suitable delivery provide strong quality. The serving cost is favorable relative to the amount delivered.

Report analysis

Goals

Cardiovascular Support
Impact
Highest effect
A- Goal FitA+ Strength of SupportB- CoverageA Formula Quality
Coenzyme Q-10 · 400 mgVitamin E · 20 mg

A high CoQ10 amount provides focused support for cardiac mitochondrial energy and may be useful when statin therapy lowers CoQ10 status. Vitamin E adds antioxidant protection but does not broaden the formula substantially.

The oil-based softgel and lecithin suit absorption of fat-soluble CoQ10, though ubiquinol is not specified. CoQ10 may alter warfarin response, so anticoagulation monitoring is important when the two are used together.

Study evidence
Coenzyme Q-10 Supportive 89 studies
Vitamin E Mixed 79 studies
Heart Health
Impact
Highest effect
A- Goal FitA Strength of SupportC+ CoverageA+ Formula Quality
Coenzyme Q-10 · 400 mg

MK-7 vitamin K supports calcium placement and offers a clear arterial-health mechanism. The identified long-acting form is well aligned with cardiovascular use.

The single-active formula is narrow but supplies a meaningful, transparent amount. People using warfarin or another vitamin K antagonist need consistent vitamin K intake because abrupt changes can alter anticoagulant control.

Metabolism Boost
Impact
Highest effect
B Goal FitA Strength of SupportC- CoverageA Formula Quality
Coenzyme Q-10 · 400 mg

A substantial CoQ10 dose directly supports mitochondrial energy production. The fat-containing softgel and lecithin should help absorption of this fat-soluble compound.

Support is concentrated on one mitochondrial pathway rather than thermogenesis, thyroid function, or glucose control. The dose is strong, but evidence for raising metabolic rate in otherwise healthy adults remains limited.

Study evidence
Coenzyme Q-10 Disputed 11 studies
Anti-Aging
Impact
Highest effect
A- Goal FitB- Strength of SupportB- 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 clearly disclosed.

The very large amount supplies strong exposure, but it is more than needed for routine maintenance and lacks evidence of added longevity benefit. Vitamin E and lecithin complement antioxidant stability without creating a separate major pathway.

Study evidence
Coenzyme Q-10 Supportive 6 studies
Vitamin E Supportive 19 studies
Anti-Inflammatory Support
Impact
Highest effect
B Goal FitA- Strength of SupportC+ CoverageA Formula Quality
Coenzyme Q-10 · 400 mgVitamin E · 20 mg

High-dose CoQ10 and natural vitamin E provide concentrated mitochondrial and lipid-phase antioxidant support. The 400 mg CoQ10 amount is substantial, and fat plus lecithin support absorption.

The exact CoQ10 form is not identified, leaving uncertainty about whether the dose is ubiquinone or ubiquinol. CoQ10 may reduce warfarin response, so people using warfarin need clotting monitoring when starting or stopping this high dose.

Study evidence
Coenzyme Q-10 Supportive 46 studies
Vitamin E Supportive 20 studies
Energy
Impact
Highest effect
A- Goal FitA- Strength of SupportD+ CoverageA- Formula Quality
Coenzyme Q-10 · 400 mg

A high CoQ10 amount strongly supports the mitochondrial pathway that produces cellular energy. The evidence is most relevant for people with lower CoQ10 status rather than as a universal stimulant effect.

Sunflower lecithin may aid absorption, although the label does not identify the CoQ10 molecular form. The formula is deep and focused but does not cover alertness or stress resilience.

Study evidence
Coenzyme Q-10 Supportive 32 studies

Ingredients

IngredientAmount per serving
Calories
5 Calorie(s)
Total Fat
0.5 Gram(s)
Vitamin E (D-Alpha-Tocopherol)
20 mg
Coenzyme Q10
400 mg
Sunflower Lecithin
35 mg
Gluten Free Adults 18–50 Kosher Dairy Free
Report overview
Coenzyme Q-10 · 400 mg OverallScore76
D- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

The label does not identify ubiquinol or ubiquinone, so the molecular form offers no usable absorption context. The 400 mg serving aligns with the researched range for conventional CoQ10. The amount delivered is highly competitive on a cost-per-active basis.

Loading alternative details
Report alternatives

Sources

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

  1. Coenzyme Q10 and Degenerative Disorders Affecting Longevity: An Overview.
    Mantle D; Hargreaves I · Antioxidants (Basel, Switzerland) · 2020
    Narrative reviewAnti-Aging forCoenzyme Q-10
  2. 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
  3. 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
  4. 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
  5. 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
  6. Low dietary vitamin E intake is associated with high risk of incident dementia among older adults: The Shanghai Aging Study.
    Liu S; Luo J; Xiao Z; Wu W; Liang X; Ding S; Zhao Q; Zhao X; Wang Y; Ding D · Frontiers in nutrition · 2024
    Cohort study1,550 participantsAnti-Aging forVitamin E
  7. Nutrients and bioactives in green leafy vegetables and cognitive decline: Prospective study.
    Morris MC; Wang Y; Barnes LL; Bennett DA; Dawson-Hughes B; Booth SL · Neurology · 2019
    Cohort study960 participantsAnti-Aging forVitamin E
  8. Low Intake of Vitamin E Accelerates Cellular Aging in Patients With Established Cardiovascular Disease: The CORDIOPREV Study.
    Corina A; Rangel-Zúñiga OA; Jiménez-Lucena R; Alcalá-Díaz JF; Quintana-Navarro G; Yubero-Serrano EM; López-Moreno J; Delgado-Lista J; Tinahones F; Ordovás JM; López-Miranda J; Pérez-Martínez P · The journals of gerontology. Series A, Biological sciences and medical sciences · 2020
    Observational study1,002 participantsAnti-Aging forVitamin E
  9. The L-shaped link between total antioxidant capacity and phenotypic age acceleration: evidence from NHANES 2003-2010.
    Wu Y; Xiang M; Zhao Y; Zhang Y; Cheng W; Deng J · Biogerontology · 2025
    Cross-sectional study16,395 participantsAnti-Aging forVitamin E
  10. Serum levels of vitamin E forms and risk of cognitive impairment in a Finnish cohort of older adults.
    Mangialasche F; Solomon A; Kåreholt I; Hooshmand B; Cecchetti R; Fratiglioni L; Soininen H; Laatikainen T; Mecocci P; Kivipelto M · Experimental gerontology · 2014
    Cohort study140 participantsAnti-Aging forVitamin E
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. Effects of delta-tocotrienol supplementation on Glycemic Control, oxidative stress, inflammatory biomarkers and miRNA expression in type 2 diabetes mellitus: A randomized control trial.
    Mahjabeen W; Khan DA; Mirza SA; Pervez MA · Phytotherapy research : PTR · 2021
    Randomized trial110 participantsAnti-Inflammatory Support forVitamin E
  17. Effect of vitamin E supplementation on serum C-reactive protein level: a meta-analysis of randomized controlled trials.
    Saboori S; Shab-Bidar S; Speakman JR; Yousefi Rad E; Djafarian K · European journal of clinical nutrition · 2016
    Meta-analysis495 participants12 studies pooledAnti-Inflammatory Support forVitamin E
  18. Efficacy of Nutritional Interventions on Inflammatory Markers in Haemodialysis Patients: A Systematic Review and Limited Meta-Analysis.
    Khor BH; Narayanan SS; Sahathevan S; Gafor AHA; Daud ZAM; Khosla P; Sabatino A; Fiaccadori E; Chinna K; Karupaiah T · Nutrients · 2018
    Meta-analysis46 studies pooledAnti-Inflammatory Support forVitamin E
  19. Vitamin E improves serum markers and histology in adults with metabolic dysfunction-associated steatotic liver disease: Systematic review and meta-analysis.
    Chee NM; Sinnanaidu RP; Chan WK · Journal of gastroenterology and hepatology · 2024
    Meta-analysis8 studies pooledAnti-Inflammatory Support forVitamin E
  20. Delta-tocotrienol supplementation improves biochemical markers of hepatocellular injury and steatosis in patients with nonalcoholic fatty liver disease: A randomized, placebo-controlled trial.
    Pervez MA; Khan DA; Slehria AUR; Ijaz A · Complementary therapies in medicine · 2021
    Randomized trial71 participantsAnti-Inflammatory Support forVitamin E
  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 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. Supplementation with vitamin E alone is associated with reduced myocardial infarction: a meta-analysis.
    Loffredo L; Perri L; Di Castelnuovo A; Iacoviello L; De Gaetano G; Violi F · Nutrition, metabolism, and cardiovascular diseases : NMCD · 2016
    Meta-analysis16 studies pooledCardiovascular Support forVitamin E
  27. Vitamin E ameliorates blood cholesterol level and alters gut microbiota composition: A randomized controlled trial.
    Chen B; Li Y; Li Z; Hu X; Zhen H; Chen H; Nie C; Hou Y; Zhu S; Xiao L; Li T · Nutrition, metabolism, and cardiovascular diseases : NMCD · 2025
    Randomized trial90 participantsCardiovascular Support forVitamin E
  28. Effects of long-term vitamin E supplementation on cardiovascular events and cancer: a randomized controlled trial.
    Lonn E; Bosch J; Yusuf S; Sheridan P; Pogue J; Arnold JM; Ross C; Arnold A; Sleight P; Probstfield J; Dagenais GR; HOPE and HOPE-TOO Trial Investigators · JAMA · 2005
    Randomized trial9,541 participantsCardiovascular Support forVitamin E
  29. Independent and combined associations of dietary antioxidant exposure with all-cause and cause-specific mortality in the general population.
    Liu Z; He Z; Xing Y · Journal of nutritional science · 2026
    Cohort study34,955 participantsCardiovascular Support forVitamin E
  30. Tocotrienol rich fraction supplementation improved lipid profile and oxidative status in healthy older adults: A randomized controlled study.
    Chin SF; Ibahim J; Makpol S; Abdul Hamid NA; Abdul Latiff A; Zakaria Z; Mazlan M; Mohd Yusof YA; Abdul Karim A; Wan Ngah WZ · Nutrition & metabolism · 2011
    Randomized trial62 participantsCardiovascular Support forVitamin E
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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 pooledMetabolism Boost forCoenzyme Q-10
  40. 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