Dr. Mercola Biothin Double Chocolate Bars, 12 Bars supplement bottle
Dr. Mercola

Biothin Double Chocolate Bars, 12 Bars

What We Researched
15 active ingredients analyzed · 19 inactive ingredients decoded · 4 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
71
Product Score Fair
81
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D 0 mcg 0%
Calcium 51 mg 4%
Iron 2 mg 10%
Potassium 105 mg 2%
Bioavailability Very Good

Absorption Rating

  • Vitamin D Good
  • Calcium Good
  • Iron Fair
  • Potassium Good
Other Ingredients Excellent

Fillers & Additives

  • Organic dietary fibre syrup* (isomalto-oligsaccharide [from cassava root*])
  • Almond butter* (dry roasted almonds*)
  • Whole blonde psyllium husks*
  • Semi sweet chocolate coating* (unsweetened chocolate*, cane sugar*, cocoa butter*)
  • Coconut*
  • Pumpkin seeds*
  • Macadamia nuts*
  • Coconut butter* (coconut*)
  • Cocoa powder*
  • Chia seeds*
  • D-ribose
  • Erythritol
  • Hemp seeds*
  • Cacao nibs*
  • Nuvous* (inulin*, Stevia [leaf] extract*, Lycium [fruit] extract*, Orange flavor*)
  • Natural Chocolate Flavor
  • Caprylic acid (C8) MCT oil
  • Black sesame seeds*
  • Black cumin seeds*.* ORganic ingredient
Efficacy Very Poor

Dosage Analysis

  • Vitamin D 0 mcg Under-dosed
  • Calcium 51 mg Under-dosed
  • Iron 2 mg Under-dosed
  • Potassium 105 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 190
Total Fat 11 g 14%
Saturated Fat 4.5 g 23%
Trans Fat 0 g 0%
Cholesterol 0 mg 0%
Sodium 5 mg <1%
Total Carbohydrate 21 g 8%
Dietary Fiber 14 g 50%
Total Sugars 4 g
Includes Added Sugar 3 g 6%
Protein 3 g 6%
Vitamin D 0 mcg 0%
Calcium 51 mg 4%
Iron 2 mg 10%
Potassium 105 mg 2%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$46$45$44$43$42 Mar 12 $43.75
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Dr. Mercola

Founded 1997 · Cape Coral, Florida, USA · 209 products · mercola.com/

Certifications

4 certifications
Consumerlab Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Verified Source

Violation History

7 incidents
Prop 65 Lead2025-04-18Source
Lawsuit Wrongful termination and breach of a severance contract by the former CEO.2024Source
Fda Warning Unapproved and misbranded products related to Coronavirus Disease 2019 (COVID-19).2021-02-18Source
Lawsuit False and unsupported claims that its indoor tanning systems are safe and do not increase the risk of skin cancer.2016Source
Fda Warning Illegal marketing of a medical device.2011-01-01Source
Fda Warning Illegal drug claims for various supplements.2006-01-01Source
Fda Warning Illegal drug claims for various supplements.2005-01-01Source
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Frequently Asked Questions
Is Dr. Mercola Biothin Double Chocolate Bars, 12 Bars a good supplement?

Dr. Mercola Biothin Double Chocolate Bars, 12 Bars received a product quality score of 71/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 15 active ingredients with 12 servings per container. Of the 19 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, Dr. Mercola, holds a brand trust score of 81/100 with 4 verified certifications including Consumerlab, Nsf Gmp, Usda Organic, Fda Gmp Inspections.

What are the ingredients in Dr. Mercola Biothin Double Chocolate Bars, 12 Bars?

Dr. Mercola Biothin Double Chocolate Bars, 12 Bars contains 15 active ingredients: Calories (190), Total Fat (11 g), Saturated Fat (4.5 g), Trans Fat (0 g), Cholesterol (0 mg), Sodium (5 mg), and 9 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Dr. Mercola Biothin Double Chocolate Bars, 12 Bars safe to take?

Dr. Mercola Biothin Double Chocolate Bars, 12 Bars has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Dr. Mercola a trustworthy supplement brand?

Dr. Mercola receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1997 and headquartered in Cape Coral, Florida, USA, the company offers 209 products in their lineup. They hold 4 verified certifications including Consumerlab, Nsf Gmp, Usda Organic, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Dr. Mercola has 7 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. 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.