Co Q-10 30 mg by 21st Century — Ingredients, Evidence & Safety

Product Label

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Label Data

1 Capsule(s) Serving Size

Non-Nutrient/Non-Botanical Product Type

100% Evidence Coverage

Supplement Facts — Evidence Check

Coenzyme Q-10

30 mg

📊 Market median: 100.0mg (283 products) 📚 142 studies (Tier A: 1, B: 64)

This product: 30mg UL 1200mg

Other Ingredients

Cellulose Rice Bran Gelatin Oat Fiber Silicon Dioxide Magnesium Silicate Magnesium Stearate

Label Claims — Verification

❓ All Other

❓ Structure/Function

All Other (99% of products) Structure/Function (87% of products) Nutrient (13% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, adults take one (1) capsule with any meal, twice daily or as directed by a healthcare provider. Do not exceed recommended dosage.

⚠️ Warnings & Precautions

Do not exceed recommended dosage.

Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.

Stop use and contact a physician if adverse reactions occur.

Keep out of reach of children.

Do not use if product appears to be tampered with or seal is broken.

🧪 Formulation Notes

No added Sugar, Salt, Yeast, Preservatives, Artificial Flavors or Colors.

CoEnzyme Q-10 (Co Q-10) is an antioxidant that is necessary for cells to function properly.

Additional Information

Individual results may vary.

Store at room temperature.

Heart Health Support

Gluten free

Guaranteed quality Laboratory tested

Product Details

UPC / SKU 7 40985 21341 4

DSLD Entry Date 2019-08-23

Product Type Non-Nutrient/Non-Botanical

Form Capsule

Brand 21st Century

DSLD ID 205616

Data Updated 2026-04-11

Research Evidence

202 Research Sources

55 Avg Quality Score

86 Meta Analysis

62 Systematic Review

28 Rct

17 Clinical Trial

4 Regulatory Source

2 Other

1 Narrative Review

1 Openfda Safety

A Coenzyme Q10 for heart failure

Meta Analysis The Cochrane database of systematic reviews 2021

PubMed DOI Cochrane

A Cardioprotective interventions for cancer patients receiving anthracyclines

Meta Analysis The Cochrane database of systematic reviews 2011

PubMed DOI

A Coenzyme Q10 supplementation for prophylaxis in adult patients with migraine-a meta-analysis

Meta Analysis BMJ open 2021

PubMed DOI

A Effects of coenzyme Q10 supplementation on statin-induced myopathy: a meta-analysis of randomized controlled trials

Meta Analysis Irish journal of medical science 2022

PubMed DOI

B Cardioprotective interventions for cancer patients receiving anthracyclines

Meta Analysis The Cochrane database of systematic reviews 2008

PubMed DOI

B Blood pressure lowering efficacy of coenzyme Q10 for primary hypertension

Meta Analysis The Cochrane database of systematic reviews 2016

PubMed DOI Cochrane

B Efficacy and Safety of Coenzyme Q10 Supplementation in the Treatment of Polycystic Ovary Syndrome: a Systematic Review and Meta-analysis

Meta Analysis Reproductive sciences (Thousand Oaks, Calif.) 2023

PubMed DOI

B Coenzyme Q10 Supplementation Improves Adipokine Levels and Alleviates Inflammation and Lipid Peroxidation in Conditions of Metabolic Syndrome: A Meta-Analysis of Randomized Controlled Trials

Meta Analysis International journal of molecular sciences 2020

PubMed DOI

B Effects of coenzyme Q10 supplementation on myopathy in statin-treated patients: a systematic review and meta-analysis

Meta Analysis Journal of nutritional science 2025

PubMed DOI

B Blood pressure lowering efficacy of coenzyme Q10 for primary hypertension

Meta Analysis The Cochrane database of systematic reviews 2009

PubMed DOI Cochrane

View all evidence for Coq10 →