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Krill & CoQ10

NOW
4.6
★ ★ ★ ★ ★
(468 ratings)
Coenzyme Q-10 100 mg
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Score75
Krill oil broadens the formula and provides a useful lipid carrier for CoQ10. Shellfish origin and unclear CoQ10 form are the main limitations.
How scoring works
Quantity:60 Softgel(s) • (30 servings)
Goals:
Heart Health
Energy
Cardiovascular Support
Metabolism Boost
Anti-Inflammatory Support
Anti-Aging

Score 75

Krill oil broadens the formula and provides a useful lipid carrier for CoQ10. Shellfish origin and unclear CoQ10 form are the main limitations.
How scoring works
$26.00($0.86 per serving)
Daily Vita
$ 26.00
iHerb
$ 27.55
Pure Formulas
$ 27.14
Vitacost
$ 27.55
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Analysis

The formula pairs 100 mg of CoQ10 with one gram of krill oil, giving it broader cardiovascular and anti-inflammatory relevance than a single-active capsule. CoQ10 supports cellular energy while the marine lipid provides a natural fat carrier.

A softgel and krill oil create favorable conditions for a fat-soluble active, but the CoQ10 molecular form is not identified. The serving cost is less competitive if CoQ10 amount alone is the main priority.

The combination best fits adults who want CoQ10 and krill oil together and tolerate shellfish-derived ingredients. Krill oil may trigger reactions in people with shellfish allergy, while CoQ10 may also alter warfarin response.

Who is it for
  • Adults wanting CoQ10 and krill oil together
  • People seeking combined heart and lipid support
  • Users who tolerate shellfish-derived ingredients
Best for
  • Combined CoQ10 and marine-lipid use
  • Softgel-based cardiovascular support
  • Broader antioxidant support

Pros

  • Combines CoQ10 with substantial krill oil
  • Natural lipid carrier supports delivery
  • Covers more pathways than plain CoQ10

Cons

  • CoQ10 molecular form is not identified
  • Serving value is weaker for CoQ10 alone
  • Not suitable for people avoiding shellfish

Warnings

  • Krill oil is shellfish-derived and may trigger a reaction in people with shellfish allergy.
  • CoQ10 may reduce warfarin response; the combination warrants medication-specific monitoring.

Nutrient quality

85 Highest impact

Krill oil supplies a lipid matrix, but the CoQ10 form and key krill-oil active amounts are not identified. The CoQ10 amount is useful, while krill-oil potency cannot be judged without EPA and DHA amounts.

Ingredient transparency

73 High impact

CoQ10 and total krill oil have clear amounts, but EPA, DHA, and astaxanthin are not quantified. Non-active ingredients and delivery excipients are not provided.

Customer satisfaction

68 High impact

The supplied average rating is strong. The substantial rating sample provides good statistical confidence.

Value for money

72 High impact

The pairing offers useful companion value, though krill-oil potency remains unclear. The relatively high serving cost is only partly justified by the combined formula.

Report analysis

Goals

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

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

Coenzyme Q10 directly participates in mitochondrial ATP production and is present at a meaningful supplemental amount. Krill oil provides a lipid matrix that can support absorption of the fat-soluble compound.

The pairing has strong formulation logic and may be especially relevant when CoQ10 status is low. Coverage remains centered on mitochondrial energy without an alertness or adaptogenic pathway.

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

Krill oil and CoQ10 combine membrane fatty acids, antioxidant activity, and cardiac energy support. CoQ10 is present at a meaningful amount, while the krill oil’s EPA and DHA content is not disclosed.

The pairing covers more cardiovascular pathways than either ingredient alone and follows a coherent biological plan. Missing active fatty-acid amounts keep the krill contribution from being fully assessed.

Study evidence
Coenzyme Q-10 Supportive 89 studies
Metabolism Boost
Metabolism Boost
Impact
Highest effect
A- Goal FitA- Strength of SupportC+ CoverageA+ Formula Quality
Coenzyme Q-10 · 100 mg

CoQ10 directly supports mitochondrial energy production, while krill oil supplies a lipid matrix that may aid delivery. The pairing is most relevant when CoQ10 status or intake is low.

The formula has strong depth for mitochondrial support but does not provide a thermogenic, thyroid, or glycemic-control active. Krill oil comes from shellfish and may trigger reactions in people with a shellfish allergy.

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

Krill oil supplies omega-3-related inflammatory-resolution support, while CoQ10 adds mitochondrial antioxidant activity. Human evidence supports both marine omega-3 fats and CoQ10, though the active EPA and DHA amounts are not supplied.

The 1 g krill-oil and 100 mg CoQ10 amounts are material, but omega-3 potency cannot be confirmed. Named Neptune krill oil supports source quality, while missing EPA, DHA, and CoQ10-form details limit disclosure. Krill oil comes from shellfish and may trigger reactions in people with shellfish allergy.

Study evidence
Coenzyme Q-10 Supportive 46 studies
Anti-Aging
Anti-Aging
Impact
High effect
B+ Goal FitC+ Strength of SupportB- CoverageA+ Formula Quality
Coenzyme Q-10 · 100 mg

CoQ10 supports mitochondrial energy while krill oil adds phospholipid-bound omega-3s and antioxidant context, creating a useful multi-pathway healthy-aging formula. Human evidence is stronger for CoQ10 and quantified EPA or DHA than for unspecified krill-oil omega-3 content.

The 100 mg CoQ10 amount is meaningful, but EPA, DHA, and astaxanthin amounts are not disclosed for the krill oil. Krill oil can increase bleeding tendency with anticoagulant or antiplatelet medicines and is unsuitable for people with crustacean allergy.

Study evidence
Coenzyme Q-10 Supportive 6 studies

Ingredients

IngredientAmount per serving
Calories
10 Calorie(s)
Total Fat
1 Gram(s)
Neptune Krill Oil
1 Gram(s)
Coenzyme Q10
100 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
Coenzyme Q-10 · 100 mg OverallScore61
D- Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyC Value

The label does not identify ubiquinol or ubiquinone, so the molecular form offers no usable absorption context. The 100 mg serving provides a maintenance-level amount when assessed as conventional CoQ10. CoQ10 cost efficiency is weak, but krill oil supplies both a lipid carrier and substantial companion value.

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Loading alternative details
87 Performance

Extra Strength Ubiquinol 200 mg

NOW
<p>A substantial ubiquinol amount in a softgel provides reduced-form CoQ10 with absorption-aware delivery. The reduced CoQ10 form makes it more absorption-focused than the original’s ubiquinone or unidentified form. The amount may be more than needed for basic maintenance.</p>
81 Performance

Ubiquinol Active CoQ10 200 mg

Natural Factors
<p>A substantial ubiquinol amount with organic flaxseed oil combines the reduced form with a lipid carrier. The reduced CoQ10 form makes it more absorption-focused than the original’s ubiquinone or unidentified form. Its routine serving cost is comparatively high.</p>
85 Performance

Super Ubiquinol CoQ10 with Enhanced Mitochondrial Support 100 mg

Life Extension
<p>Ubiquinol and a clearly listed shilajit complex provide focused mitochondrial support in a fat-containing softgel. The reduced CoQ10 form makes it more absorption-focused than the original’s ubiquinone or unidentified form. Shilajit adds complexity for people seeking CoQ10 alone.</p>
84 Budget

CoQ10 100 mg

Best Naturals
<p>Clearly identified ubiquinone provides a practical maintenance amount in a very economical serving. It lowers routine cost versus the original. The dry capsule has no stated lipid carrier or absorption enhancer.</p>
83 Budget

CoQ10 100 mg plus BioPerine

Lake Avenue Nutrition
<p>A meaningful ubiquinone amount and softgel delivery provide focused routine support. It lowers routine cost versus the original. Black pepper extract may change exposure to some medicines.</p>
84 Budget

CoQ10 100 mg

California Gold Nutrition
<p>Clearly identified ubiquinone and softgel delivery provide a straightforward maintenance formula. It lowers routine cost versus the original. Complete intake directions and excipient details are not supplied.</p>
87 Value

Mega CoQ10 Ubiquinol 100 mg

Qunol
<p>Ubiquinol in a softgel provides the reduced CoQ10 form at a useful maintenance amount. Its ingredient design and serving economics offer a useful value trade-off versus the original. The small ascorbyl-palmitate addition contributes little to the core purpose.</p>
87 Value

CoQ10 200 mg

California Gold Nutrition
<p>A substantial ubiquinone amount and softgel delivery combine focused dosing with efficient serving value. Its ingredient design and serving economics offer a useful value trade-off versus the original. Full intake directions and excipient details are not supplied.</p>
87 Value

QH-absorb 100 mg

Jarrow Formulas
<p>Ubiquinol in a softgel provides reduced-form CoQ10 at a useful maintenance amount with favorable serving value. Its ingredient design and serving economics offer a useful value trade-off versus the original. The amount is lower than higher-dose targeted formulas.</p>
Report alternatives

Sources

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

  1. 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
  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. 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
  4. 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
  5. 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 Cardiovascular Support forCoenzyme Q-10
  6. 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
  7. 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
  8. Effect of Coenzyme Q10 Supplementation on Serum of High Sensitivity c-reactive Protein Level in Patients with Cardiovascular Diseases: A Systematic Review and Meta-analysis of Randomized Controlled Trials.
    Aslani Z; Shab-Bidar S; Fatahi S; Djafarian K · International journal of preventive medicine · 2022
    Meta-analysis302 participants5 studies pooledAnti-Inflammatory Support forCoenzyme Q-10
  9. 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
  10. Reverse cholesterol transport and lipid peroxidation biomarkers in major depression and bipolar disorder: A systematic review and meta-analysis.
    Almulla AF; Thipakorn Y; Algon AAA; Tunvirachaisakul C; Al-Hakeim HK; Maes M · Brain, behavior, and immunity · 2023
    Meta-analysis34,051 participants176 studies pooledAnti-Inflammatory Support 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 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
  17. 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
  18. 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
  19. 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
  20. [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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  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 pooledMetabolism Boost forCoenzyme Q-10
  31. 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