EVIDENCE-BASED SUPPLEMENT SCORING
6.4/10
AVERAGE

Confidence: 90%

DRFOSTER Coq10 400mg Softgels Ubiquinol - Co Q 10 Supplement Coenzyme q10 Cq10 400mg Plus Vitamin E, PQQ, Black Pepper for Heart Health, 120 Counts

DRFOSTER Coq10 400mg Softgels Ubiquinol - Co Q 10 Supplement Coenzyme q10 Cq10 400mg Plus Vitamin E, PQQ, Black Pepper for Heart Health, 120 Counts

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Decision summary

CONSIDERAVERAGE

A middling option. It may be usable, but weaker dosing makes better alternatives worth comparing.

Best for

Buyers comparing price and availability and okay with a middle-of-the-pack option.

Consider another option if

You care a lot about label clarity and want fewer unknowns.

Score breakdown

Tap a module to see what it measures. A 0 can reflect missing disclosure, not just a negative result.

Dosage quality

4.6/10

Dosing looks weaker than ideal

Checks whether labeled ingredient amounts fall within clinically studied ranges (not just regulatory minimums). Low/0 can reflect under-dosing or missing amounts (e.g., proprietary blends).

Score summary

Coenzyme-q10: high-bioavailability form declared (Ubiquinol). The main limitation is that vitamin-e: below clinically studied range.

Strengths

Coenzyme-q10: high-bioavailability form declared (Ubiquinol)
Pyrroloquinoline-quinone: dose within clinically studied range (evidence B)

Weaknesses

Vitamin-e: below clinically studied range
Vitamin-e: chemical form not specified on label
Formula coherence is weak: diluted, decorative or overly complex

Final verdict

A middling option. It may be usable, but weaker dosing makes better alternatives worth comparing.

Ingredient Analysis & Evidence

A closer look at the main ingredients, how they influence the score, and the supporting evidence when available. Tap any ingredient to expand.

✔ Clinically effective dose with strong supporting evidence

Adequate, but not a key strength: Dose is directionally useful, but not a standout strength. The declared form supports strong absorption.

Scientific evidence

Meta-analysis

Mortensen et al. Q-SYMBIO trial CoQ10 and heart failure outcomes

JACC: Heart Failure • 2014

PMID: 23221577.0

RCT

Mizuno et al. RCT CoQ10 and fatigue

Nutrition • 2008

PMID: 18272900.0

⚠ Moderate evidence exists, but dose may be too low to be effective

One of the weaker points: Dose is likely below clinically useful levels. The label does not specify the form, so absorption quality cannot be verified.

Scientific evidence

Meta-analysis

Eidelman et al. meta-analysis vitamin E and cardiovascular endpoints

Archives of Internal Medicine • 2004

PMID: 12750911.0

✔ Clinically effective dose with moderate supporting evidence

Strong contributor: Dose is strong and within effective ranges. The declared form is acceptable, but not among the best-absorbed options.

Scientific evidence

RCT

Nakano et al. RCT PQQ and cognitive function in older adults

Food and Chemical Toxicology • 2012

PMID: 22020110.0

⚠ Dose is below commonly used clinical ranges

One of the weaker points: Dose is likely below clinically useful levels. The declared form is acceptable, but not among the best-absorbed options.

Clinical dosing guidance

Based on established dosing ranges used in clinical practice.

Min effective: 5 mgOptimal: 10 mgUpper: 20 mgGrade: B

⚠ Strong evidence exists, but dose is below effective threshold

One of the weaker points: Dose is likely below clinically useful levels.

Scientific evidence

Meta-analysis

Katan et al. meta-analysis plant sterols and LDL cholesterol

Mayo Clinic Proceedings • 2003

PMID: 12716665.0

DRFOSTER Coq10 400mg Softgels Ubiquinol - Co Q 10 Supplement Coenzyme q10 Cq10 400mg Plus Vitamin E, PQQ, Black Pepper for Heart Health, 120 Counts

DRFOSTER Coq10 400mg Softgels Ubiquinol - Co Q 10 Supplement Coenzyme q10 Cq10 400mg Plus Vitamin E, PQQ, Black Pepper for Heart Health, 120 Counts

Warnings & notes

Important label or formulation details that may affect how this product should be interpreted.

!

Vitamin E dose looks below clinically effective levels

Declared amount falls below ranges used in human trials.

Warning
i

Vitamin E form is not clearly declared

Exact ingredient form is not disclosed on the label.

Info

Formula design looks less coherent than stronger alternatives

The formulation appears less focused than better-built options.

Note

Methodology

Read our methodology overview to understand how SuppScoreLab combines multiple scientific dimensions into one practical score.

View methodology →

This evaluation is based on the product label and declared Supplement Facts available at review time. It does not verify laboratory-tested composition, purity, or batch-level quality. This content is educational and not medical advice. Consult a qualified healthcare professional for personal health decisions. Affiliate disclosure: SuppScoreLab may earn a commission from qualifying Amazon links.

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