Basics: short version, verdict first People Molecules Peptides Biomarkers Studies Stem Cells Editorial Methodology
← All ingredients
Mitochondrial

CoQ10 · Coenzyme Q10

A well-established mitochondrial cofactor, especially useful on statins.

B
Evidence grade
Human RCTs, biomarker outcomes
Strongest study
Tier 1 · 1 linked study

Short answer

One of the most defensible ingredients in any stack. Choose ubiquinol form if you're over 40, it absorbs better than ubiquinone.

Product and dose overview

CoQ10 (Coenzyme Q10) is a mitochondrial with evidence grade B, meaning it is supported by human RCTs. We track 21 products containing CoQ10. Typical doses range from 100 to 120 mg per serving. The top-ranked product scores 8.5 out of 10 on our composite scale (dose, evidence, price, testing, transparency). Prices range up to $63.95 per month.

Evidence grade: B Products in database: 21 Category: Mitochondrial

Top CoQ10 products

ProductBrandDosePrice/mo3rd-party testedScore
Ultimate Omega +CoQ10Nordic Naturals100 mg$40.95Yes8.5
CoQH-CF Softgels | Ubiquinol SupplementNootropics Depot100 mg$29.99Yes8.2
Nordic CoQ10 UbiquinolNordic Naturals100 mg$63.95Yes8.1
Ubiquinol CoQ-10 - 100 mg, 60 softgelsProHealth Longevity100 mg$40.99Yes8.1
Super Ubiquinol CoQ10Life Extension100 mg$37.50Yes8.0

Scores are editorial judgments, not a scientific standard. See how we score.

What it is

Every cell needs CoQ10 to make energy. Statin cholesterol drugs deplete it, and levels drop naturally with age. Supplementing raises blood levels reliably.

Why people take it

Strongest evidence: reduces statin-associated muscle pain, improves heart-failure symptoms. Longevity benefit is a stretch, but as a mitochondrial support ingredient it's cheap, safe, and well-characterised.

Our verdict

One of the most defensible ingredients in any stack. Choose ubiquinol form if you're over 40, it absorbs better than ubiquinone.

Structure & class

2,3-dimethoxy-5-methyl-1,4-benzoquinone with 10-isoprenoid tail. Electron carrier in complex I, III of oxidative phosphorylation.

Mechanism & clinical data

Multiple RCTs (Q-SYMBIO 2014) demonstrate reduced all-cause mortality in heart failure at 300 mg/day. Meta-analyses support blood-pressure lowering and statin myopathy relief. Longevity endpoints not directly tested.

Pharmacokinetics

~33 hours in plasma.

Dose & forms

Trial dose
200 mg
/ day
Range in trials
100 to 300 mg
/ day
Common forms
Ubiquinol softgel, Ubiquinone capsule, Liposomal

What to watch out for

Cheap CoQ10 powder in capsules has minimal absorption. Look for softgels with oil carrier or ubiquinol form.

Safety limits and interactions

When a product exceeds the UL or contains an ingredient with clinically significant interactions, a "Review advised" flag appears on its product page and links here.

Known drug interactions
Reduces warfarin's anticoagulant effect (structurally similar to vitamin K) — requires INR monitoring. No established interaction with DOACs.
Safety note
No formal UL; an Observed Safe Level of 1,200 mg/day has been established, with some trials using up to 3,000 mg/day for 8 months. Mild GI effects and insomnia possible at ≥100-200 mg/day.

Source: https://www.ncbi.nlm.nih.gov/books/NBK531491/

Where this dose comes from

The trial dose above is our editorial pick from the published human trials for this ingredient. We choose the dose that the best-available studies used on the endpoint most relevant to longevity. The range shows the lowest and highest doses tested in published trials. The landmark studies below are the papers we read to set it. You can click through and check our work.

When new trials publish, our automated sweeps flag them. If a new study materially changes the dose, we update it through editorial review and record the old dose, new dose, and the triggering study in every affected product's recommendation history. The dose is never changed automatically.

Regulatory status

EUFood supplement, no Novel Food status needed
USDietary supplement
UKFood supplement
CANHP licensed

Timeline

Regulatory events, evidence grade changes, and key research milestones for CoQ10, most recent first. Studies link to the paper; regulatory entries name and link the responsible authority.

  • 2025-04 Regulatory single source
    EU Court sharpens the bar for botanical health claims
    A Court of Justice of the European Union ruling in April 2025 further tightened the requirements for how botanical ingredients (herbs, plant extracts) can be marketed with health claims in the EU, effectively removing much of the flexibility of the on-hold list.
  • 2024-06 Regulatory confirmed
    EU report identifies 117 supplement substances as potential health risks
    The HoA Working Group on Food Supplements (26 European countries) published its first report evaluating 117 substances used in food supplements. Of these, 65 were assessed as likely novel foods, 6 were already regulated, 34 had insufficient data, and 12 were prioritized for Article 8 restriction under Regulation (EC) No 1925/2006. The 12 priority substances include ashwagandha, curcumin, melatonin, piperine, St. John's wort, coumarin, p-synephrine, maca, holy basil, Melaleuca, black cohosh, and L-tryptophan. The report drew on 1,500 RASFF alerts reviewed between 2017 and mid-2022.
  • 2014 Research milestone
    Q-SYMBIO 2014 (Mortensen et al., JACC)
    300 mg/day in chronic HF cut major cardiovascular events 43% over 2 years.
  • 2010-10 Regulatory confirmed
    EFSA rejects most CoQ10 health claims
    EFSA published a scientific opinion on coenzyme Q10 health claims, rejecting claims related to energy metabolism, blood pressure, cognitive function, DNA protection, and endurance capacity. The panel concluded that a cause and effect relationship was not established for any of the claimed effects. CoQ10 remains legal as a food supplement in the EU but cannot bear authorised health claims.
  • 2006-12 Regulatory confirmed
    EU Health Claims Regulation adopted
    Regulation (EC) No 1924/2006 laid down harmonised rules for nutrition and health claims made on foods, including supplements. Only claims listed in the EU Register of authorised claims can be used. Rejected botanical claims are held in a separate on-hold list.
  • 1997 Regulatory confirmed
    EU introduces the Novel Food Regulation
    Regulation (EC) No 258/97 required any food or food ingredient without a history of consumption in the EU before 15 May 1997 to be authorised before being placed on the market. This is the framework that captures NMN, spermidine as a supplement ingredient, urolithin A, and many other longevity actives.
2026 evidence refresh

CoQ10 is a mitochondrial cofactor that helps cells generate energy, and in heart failure patients it reduced deaths in one large trial.

Verified 2026-06-23. We update this section as new peer-reviewed trials land.

Human RCT base
50+
peer-reviewed randomised trials
Largest single trial
n = 420
In chronic heart failure patients, CoQ10 (100 mg three times daily) reduced major adverse cardiovascular events (15% vs 26%), all-cause mortality (10% vs 18%), and heart failure hospitalizations versus placebo. source

Best-supported claim

CoQ10's best-supported claim comes from the Q-SYMBIO trial, a randomized, double-blind, multicenter trial of 420 chronic heart failure patients led by Svend Aage Mortensen, which found CoQ10 300 mg/day reduced the composite of hospitalization for worsening heart failure, cardiovascular death, or urgent transplant/mechanical support by half (hazard ratio 0.50, p=0.003), and cut all-cause mortality nearly in half (hazard ratio 0.51, p=0.018) over 2 years (https://www.jacc.org/doi/abs/10.1016/j.jchf.2014.06.008). A 2021 Cochrane review of 11 studies and 1,573 heart failure patients rated this moderate-quality evidence that CoQ10 probably reduces all-cause mortality and heart failure hospitalization (https://pmc.ncbi.nlm.nih.gov/articles/PMC8092430/). Even so, Cochrane and the American Heart Association both flag that the large treatment effect, small number of total events, and reliance on one trial for the mortality finding mean CoQ10 cannot currently be recommended in heart failure guidelines (https://www.ahajournals.org/doi/10.1161/circheartfailure.115.002639).

Not supported by the evidence base

CoQ10 is heavily marketed as a fix for statin-induced muscle pain, but the trial evidence directly contradicts this claim more often than it supports it. A 2024 meta-analysis of 7 RCTs and 389 patients did find a statistically significant reduction in muscle pain intensity (weighted mean difference -0.96, p<0.05), but a 2022 meta-analysis of 8 RCTs and 472 patients found no significant benefit on muscle pain or creatine kinase, and a 2020 meta-analysis in Atherosclerosis similarly found no benefit over placebo (https://pubmed.ncbi.nlm.nih.gov/33999383/, https://www.thecardiologyadvisor.com/news/coq10-therapy-may-not-improve-statin-adherence-or-relieve-associated-muscle-pain-in-statin-associated-myalgia/). The literature on this specific claim is genuinely split roughly down the middle depending on which trials are pooled, which means CoQ10's anti-statin-myalgia reputation outpaces the actual consistency of the data. Marketing for skin anti-aging and general energy also draws on small, often industry-adjacent studies rather than the larger heart failure evidence base that is CoQ10's strongest support.

Typical dose

100-300 mg/day, split into 2-3 doses; heart failure trials used 300 mg/day (100 mg three times daily)

Safety

CoQ10 has a strong long-term safety record, including 2-year use in heart failure patients on standard medications without excess adverse events versus placebo. The Cochrane review found low-quality but inconclusive evidence regarding myocardial infarction or stroke risk, and no signal of harm (https://pmc.ncbi.nlm.nih.gov/articles/PMC8092430/). CoQ10 may reduce the anticoagulant effect of warfarin due to its structural similarity to vitamin K.

Interactions worth flagging

  • warfarin and other blood thinners
  • blood pressure medications
  • chemotherapy agents (theoretical antioxidant interference)

Three recent studies to know

  • The Effect of Coenzyme Q10 on Morbidity and Mortality in Chronic Heart Failure: Results From Q-SYMBIO: A Randomized Double-Blind Trial
    JACC: Heart Failure 2014

    Read study →
  • Effects of coenzyme Q10 supplementation on myopathy in statin-treated patients: a systematic review and meta-analysis
    Peer-reviewed nutrition/lipid journal (PMC-indexed) 2025

    Read study →
  • Coenzyme Q10 for heart failure
    Cochrane Database of Systematic Reviews 2021

    Read study →

Landmark studies

Found in these products (21)

All products in our catalog that contain CoQ10, ranked by our overall score. Ranking is editorial, never paid.

Nordic Naturals
Omega
EPA and DHA per serving
EPA 650 mg · DHA 450 mgSoftgel · 30 servings
Price per serving
$1.36$40.95 · 30 servings
Testing
3rd-party listed · public lab certificate

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 8.5/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$2.13
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with www.nordic.com
Mitochondrial
Active per serving
CoQ10 100 mgSoftgel · 30 servings
Price per serving
$1.00$29.99 · 30 servings
Testing
3rd-party listed · public lab certificate

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 8.2/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$2.00
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with nootropicsdepot.com
Nordic Naturals
Mitochondrial
Active per serving
CoQ10 100 mgSoftgel · 60 servings
Price per serving
$1.07$63.95 · 60 servings
Testing
3rd-party listed · public lab certificate

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 8.1/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$2.13
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with www.nordic.com
Mitochondrial
Active per serving
CoQ10 100 mgSoftgel · 60 servings
Price per serving
$0.68$40.99 · 60 servings
Testing
3rd-party listed · public lab certificate

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 8.1/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$1.37
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with www.prohealth.com
Life Extension
Mitochondrial
Active per serving
CoQ10 100 mgSoftgel · 60 servings
Price per serving
$0.62$37.50 · 60 servings
Testing
3rd-party listed · no public lab certificate

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 8.0/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$1.25
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with www.lifeextension.com
Pure Encapsulations
Mitochondrial
Active per serving
CoQ10 120 mgCapsule · 60 servings
Price per serving
$0.75$45.00 · 60 servings
Testing
3rd-party listed · public lab certificate

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 7.6/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$1.25
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with www.pureencapsulations.com
Mitochondrial
Active per serving
CoQ10 100 mgCapsule · 366 servings
Price per serving
$0.08$30.00 · 366 servings
Testing
3rd-party listed · no public lab certificate

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 7.6/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$0.16
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with donotage.org
Double Wood Supplements
Mitochondrial
Active per serving
CoQ10 100 mgCapsule · 60 servings
Price per serving
$0.33$19.95 · 60 servings
Testing
3rd-party listed · public lab certificate

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 7.6/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$0.66
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with doublewoodsupplements.com
Mitochondrial
Active per serving
CoQ10 100 mgSoftgel · 60 servings
Price per serving
$0.92$54.99 · 60 servings
Testing
3rd-party listed · public lab certificate

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 7.5/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$1.83
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with nootropicsdepot.com
Mitochondrial
Active per serving
CoQ10 100 mgSoftgel · 60 servings
Price per serving
$0.85$50.99 · 60 servings
Testing
None listed

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 7.4/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$1.70
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with jarrow.com
AG1 (Athletic Greens)
Omega
Omega-3 as listed
650 mgEPA/DHA split not stored
Price per serving
$1.30$39.00 · 30 servings
Testing
3rd-party listed · no public lab certificate

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 7.3/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

65%
of trial dose
$4.00
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with drinkag1.com
BulkSupplements
Mitochondrial
Active per serving
CoQ10 200 mgPowder · 50 servings
Price per serving
$0.64$31.97 · 50 servings
Testing
None listed

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 7.2/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$0.64
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with www.bulksupplements.com
Thorne HealthTech
Mitochondrial
Active per serving
CoQ10 100 mgSoftgel · 60 servings
Price per serving
$0.77$46.00 · 60 servings
Testing
3rd-party listed · no public lab certificate

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 7.2/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$1.53
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with www.thorne.com
Longevity stack
Ingredients listed
8 ingredients listedlargest listed: Creatine 3,000 mg
Price per serving
$4.30$129.00 · 30 servings
Testing
3rd-party listed · no public lab certificate

Multi-ingredient bundle

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 6.9/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

50%
of trial dose
$17.20
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with im8health.com
Pure Encapsulations
Mitochondrial
Active per serving
CoQ10 100 mgSoftgel · 60 servings
Price per serving
$1.65$99.00 · 60 servings
Testing
None listed

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 6.9/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$3.30
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with www.pureencapsulationspro.com
Multi/greens
Ingredients listed
5 ingredients listedlargest listed: SIRT6 Activator 1,600 mg
Price per serving
$7.25$203.00 · 28 servings
Testing
3rd-party listed · no public lab certificate

Multi-ingredient bundle

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 6.7/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

400%
of trial dose
$3.62
per research-dose day, not label serving
400% · over 2× trial dose0Trial dose2×
Catalog price · Confirm current price with routine.donotage.org
Mitochondrial
Ingredients listed
4 ingredients listedlargest listed: Urolithin A 500 mg
Price per serving
$3.33$99.99 · 30 servings
Testing
3rd-party listed · no public lab certificate

Multi-ingredient bundle

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 6.7/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$6.67
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with www.codeage.com
Mitochondrial
Active per serving
PQQ 20 mg+ CoQ10 100 mg
Price per serving
$1.17$34.95 · 30 servings
Testing
None listed

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 6.3/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$1.17
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with qualityoflife.net
ID Formulas
Longevity stack
Ingredients listed
10 ingredients listedlargest listed: Collagen Peptides 5 g
Price per serving
$9.00$270.00 · 30 servings
Testing
None listed

EPA/DHA split not stored

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 6.1/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$18.00
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with www.idformulas.com
Longevity stack
Ingredients listed
7 ingredients listedlargest listed: Taurine 1,200 mg
Price per serving
$5.30$159.00 · 30 servings
Testing
3rd-party listed · no public lab certificate

Multi-ingredient bundle

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 5.4/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$5.30
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with drinktmrw.com
MitoQ
Mitochondrial
Active per serving
CoQ10 10 mgCapsule · 30 servings
Price per serving
$2.10$62.99 · 30 servings
Testing
None listed

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 4.0/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

10%
of trial dose
$41.99
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with www.mitoq.com
Editorial guides

Buying guides and comparisons

Neighbouring molecules

Related ingredients

See all in Mitochondrial →

Molecules in the same class, plus the actives most often formulated alongside CoQ10 in our catalogue.

Urolithin AAsame categoryPQQCsame categoryAcetyl-L-CarnitineCsame categoryUbiquinolBsame categoryD-RiboseDsame categoryOmega-3 (EPA/DHA)Astacked together in 3 productsNMNBstacked together in 3 productsSpermidineCstacked together in 3 products

See CoQ10 in context: the mechanism it acts through, the biomarker it moves, the products that dose it, and the trials that tested it.

View CoQ10 on the Longevity Map →

Frequently asked questions

What is CoQ10?

Every cell needs CoQ10 to make energy. Statin cholesterol drugs deplete it, and levels drop naturally with age. Supplementing raises blood levels reliably.

What dose of CoQ10 should I take?

The trial dose in published human studies is 200 mg per day, with a range of 100 to 300 mg per day. Always consult a qualified clinician before starting any supplement.

Is CoQ10 safe?

No formal UL; an Observed Safe Level of 1,200 mg/day has been established, with some trials using up to 3,000 mg/day for 8 months. Mild GI effects and insomnia possible at ≥100-200 mg/day.

What is the best CoQ10 supplement?

We track 21 products containing CoQ10. The top-ranked product scores 8.5 out of 10 on our composite scale, which evaluates dose, evidence, price, third-party testing, and transparency. See the comparison table above. Scores are editorial judgments, not a scientific standard.

What is the evidence grade for CoQ10?

CoQ10 has evidence grade B, meaning it is supported by human RCTs. Grade A means replicated human RCTs with hard endpoints. Grade B means human RCTs with biomarker outcomes. Grade C means mixed or small human trials. See our evidence grading methodology.

Independently checked

Data verification

Evidence grade
B
Human RCTs, biomarker outcomes
Research dose
200 mg
Products tracked
21
Updated continuously
Safety signal
No formal UL; an Observed Safe Level of 1,200 mg/day has ...

Evidence grades are reviewed when new human RCTs are published. Product counts update automatically as new products are added. Dose ranges reflect published trial data, not brand recommendations. Read how we verify.