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Douglas Laboratories Citrus-Q10™ 100 supplement bottle
Douglas Laboratories

Citrus-Q10™ 100 Review

What We Researched
1 active ingredient analyzed · 8 inactive ingredients decoded · 6 brand certifications checked · Page generated: Sep 2026
100
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 Excellent

Supplement Facts

IngredientAmount% DV
Natural Coenzyme Q10 100 mg *
Bioavailability Excellent

Absorption Rating

  • Natural Coenzyme Q10 Good
Other Ingredients Excellent

Fillers & Additives

  • Povidone
  • Ascorbyl Palmitate
  • Citric Acid
  • Hydroxypropyl Cellulose
  • Mannitol
  • Orange Flavor
  • Silica
  • Natural lemon-lime flavor
Efficacy Excellent

Dosage Analysis

  • Natural Coenzyme Q10 100 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Natural Coenzyme Q10 100 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Povidone Generally_safe

It is used to hold ingredients together.

Ascorbyl Palmitate Safe

Prevents oxidation and extends shelf life of oil-based supplements.

Citric Acid Safe

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

Hydroxypropyl Cellulose Safe

Binds tablet ingredients and can form tablet coatings.

Mannitol Generally_safe

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

Orange Flavor Generally_safe

It is used to improve the taste of the supplement.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Natural lemon-lime flavor Unknown
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™ 100 a good supplement?

Douglas Laboratories Citrus-Q10™ 100 received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 60 servings per container. Of the 8 inactive ingredients, 7 are rated safe and 0 ingredients are flagged for review. The manufacturer, Douglas Laboratories, holds a brand trust score of 100/100.

What are the ingredients in Douglas Laboratories Citrus-Q10™ 100?

Douglas Laboratories Citrus-Q10™ 100 contains 1 active ingredients: Natural Coenzyme Q10 (100 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Douglas Laboratories Citrus-Q10™ 100 safe to take?

GoodSupp reviewed the inactive-ingredient data available for Douglas Laboratories Citrus-Q10™ 100. 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.