Dr. Mercola Free Form Collagen Support Unflavored, 30 Servings supplement bottle
Dr. Mercola

Free Form Collagen Support Unflavored, 30 Servings

What We Researched
10 active ingredients analyzed · 2 inactive ingredients decoded · 4 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
86
Product Score Good
81
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Glycine 6900 mg *
L-Hydroxyproline 2600 mg *
L-Proline 2300 mg *
L-Alanine 1000 mg *
L-Serine 600 mg *
L-Lysine (as L-Lysine Monohydrochloride) 600 mg *
Taurine 300 mg *
L-Threonine 300 mg *
L-Arginine 300 mg *
Bioavailability Excellent

Absorption Rating

  • Glycine Good
  • L-Hydroxyproline Good
  • L-Proline Good
  • L-Alanine Good
  • L-Serine Good
  • L-Lysine (as L-Lysine Monohydrochloride) Good
  • Taurine Good
  • L-Threonine Good
  • L-Arginine Good
Other Ingredients Excellent

Fillers & Additives

  • Himalayan Pink Salt
  • Bamboo Extract
Efficacy Fair

Dosage Analysis

  • Glycine 6900 mg High
  • L-Proline 2300 mg Effective
  • L-Serine 600 mg Effective
  • L-Lysine (as L-Lysine Monohydrochloride) 600 mg Under-dosed
  • Taurine 300 mg Under-dosed
  • L-Arginine 300 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Sodium 580 mg 25%
Glycine 6900 mg *
L-Hydroxyproline 2600 mg *
L-Proline 2300 mg *
L-Alanine 1000 mg *
L-Serine 600 mg *
L-Lysine (as L-Lysine Monohydrochloride) 600 mg *
Taurine 300 mg *
L-Threonine 300 mg *
L-Arginine 300 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Himalayan Pink Salt Safe

It is added to supplements as a source of minerals.

Bamboo Extract Generally_safe

It may be used as a source of silica or for its antioxidant properties.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$89$88$87$86$85 Mar 12 $87.49
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 Free Form Collagen Support Unflavored, 30 Servings a good supplement?

Dr. Mercola Free Form Collagen Support Unflavored, 30 Servings received a product quality score of 86/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 10 active ingredients with 30 servings per container. Of the 2 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 Free Form Collagen Support Unflavored, 30 Servings?

Dr. Mercola Free Form Collagen Support Unflavored, 30 Servings contains 10 active ingredients: Sodium (580 mg), Glycine (6900 mg), L-Hydroxyproline (2600 mg), L-Proline (2300 mg), L-Alanine (1000 mg), L-Serine (600 mg), and 4 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Dr. Mercola Free Form Collagen Support Unflavored, 30 Servings safe to take?

Dr. Mercola Free Form Collagen Support Unflavored, 30 Servings 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.

What is collagen?

Collagen is a topic many supplement consumers ask about. In the context of dietary supplements, understanding collagen helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

What is collagen good for?

Collagen Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding collagen good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

Do collagen tablets work?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

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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.