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Douglas Laboratories Citrus-Q10 300 supplement bottle
Douglas Laboratories

Citrus-Q10 300 Review

What We Researched
· 9 inactive ingredients decoded · 6 brand certifications checked · Page generated: Sep 2026
93
Product Score Excellent
100
Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Fair

Supplement Facts

No supplement facts data available.

Bioavailability N/A

Absorption Rating

No ingredient forms matched our reference database.

Other Ingredients Excellent

Fillers & Additives

  • Mannitol
  • Vegetable Stearate
  • Povidone
  • Hydroxypropyl Cellulose
  • Citric Acid
  • Natural Lemon-Lime flavor
  • Silica
  • Natural Orange Flavor
  • Sorbitol
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Mannitol Generally_safe

It is used as a sweetener, filler, and flow agent.

Vegetable Stearate Safe

Prevents ingredients from sticking to equipment.

Povidone Generally_safe

It is used to hold ingredients together.

Hydroxypropyl Cellulose Safe

Binds tablet ingredients and can form tablet coatings.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Natural Lemon-Lime flavor Unknown
Silica Safe

Prevents ingredients from clumping and improves powder flow.

Natural Orange Flavor Safe

It is used to add orange flavor to the supplement.

Sorbitol Safe

Provides sweetness and helps retain moisture in chewables.

Brand Trust Report
Douglas Laboratories

Founded 1955 · Pittsburgh, Pennsylvania, United States · 32 products · douglaslabs.com

Certifications

6 certifications
Consumerlab Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
Nsf Certified For Sport Source available Primary evidence
Nsf Gmp Source available Primary evidence
Usda Organic Source available Primary evidence
NSF Certified Supporting evidence unavailable

Transparency

5 claims
Third Party Testing Claim — Verified Evidence available Evidence
Coa Availability — Verified Evidence available Evidence
In House Testing — Verified Evidence available Evidence
Testing Lab Disclosure — True Brand claim; evidence unavailable

Violation History

2 incidents
Recall Douglas Labs Stress-B-Plus2024-10-07 Source available Primary source
Prop 65 Lead2008-10-22 Source available Primary source
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Frequently Asked Questions
Is Douglas Laboratories Citrus-Q10 300 a good supplement?

Douglas Laboratories Citrus-Q10 300 received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. with 60 servings per container. Of the 9 inactive ingredients, 8 are rated safe and 0 ingredients are flagged for review. The manufacturer, Douglas Laboratories, holds a brand trust score of 100/100.

Is Douglas Laboratories Citrus-Q10 300 safe to take?

GoodSupp reviewed the inactive-ingredient data available for Douglas Laboratories Citrus-Q10 300. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Douglas Laboratories a trustworthy supplement brand?

Douglas Laboratories receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1955 and headquartered in Pittsburgh, Pennsylvania, United States, the company offers 32 products in their lineup. Note: Douglas Laboratories has 2 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.