CoQ10 300 mg

product on market Softgel Capsule Kirkland Signature 🟢 Safety: 100/100
Brand: Kirkland Signature
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Softgel(s) Serving Size
Non-Nutrient/Non-Botanical Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

Calories
10 Calorie(s)
Total Fat
1 Gram(s) (1% DV)
300 mg
📊 Market median: 100.0mg (283 products) 📚 142 studies (Tier A: 1, B: 64)
This product: 300mg UL 1200mg

Other Ingredients

Soybean Oil Coenzyme Q10 Gelatin Glycerin Soy Lecithin Silica

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

Suggested use: Take one (1) softgel daily or as directed by a physician.

⚠️ Warnings & Precautions

Contains: Soy.

Caution: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

Keep out of the reach of children.

Note: CoQ10 is not intended to serve as a replacement for Statin therapy, nor should you discontinue taking any prescribed medications while supplementing with CoQ10.

Important: Tamper-evident seal under cap. Do not use if printed seal is broken or missing.

🧪 Formulation Notes

CoQ10 is an antioxidant that is a necessary nutrient for cell function in the body and has numerous health benefits. CoQ10 concentrations may decrease as we age. Supplementing with this important health health antioxidant may help support healthy aging. CoQ10 is an important antioxidant that helps maintain a healthy cardiovascular system and healthy blood pressure levels already within a normal range.

No preservatives added No artificial colors No artificial flavors No yeast or gluten No lactose

Contains: Soy.

Statin medications can reduce CoQ10 levels in the boyd. CoQ10 can replenish what Statin medications may deplete.

Additional Information

Quality purity potency

USP has tested and verified ingredients, potency, and manufacturing process. USP sets official standards for dietary supplements. See www.uspverified.org

USP Verified Dietary Supplements

No artificial colors

Maximum potency

Higher potency for greater heart support Helps maintain healthy blood pressure Promotes energy production

Store at room temperature, tightly closed. Avoid excessive heat.

CoQ10 is naturally orange in color. Separation within the softgel is normal and will not affect the quality of this product.

Percent daily values are based on the new reference daily intake (RDI) published by the FDA in May 2016.

Product Details

UPC / SKU 0 96619 92811 8
DSLD Entry Date 2019-10-23
Product Type Non-Nutrient/Non-Botanical
Form Softgel Capsule
Brand Kirkland Signature
DSLD ID 207421
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 →

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