Dr. Mercola Collagen Complex, Type I, II & III, 90 Tablets supplement bottle
Dr. Mercola

Collagen Complex, Type I, II & III, 90 Tablets

What We Researched
5 active ingredients analyzed · 13 inactive ingredients decoded · 4 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
75
Product Score Fair
81
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Collagen [from Marine Collagen Peptides+ (Wild Caught Cod Skin), Organic Beef Bone Broth Concentrate Powder, UC-II® Undenatured Type II Chicken Collagen] 1.5 g **
Bioavailability Excellent

Absorption Rating

  • Collagen [from Marine Collagen Peptides+ (Wild Caught Cod Skin), Organic Beef Bone Broth Concentrate Powder, UC-II® Undenatured Type II Chicken Collagen] Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Modified Cellulose
  • Gum Acacia^
  • Guar gum^
  • Tapioca maltodextrin^
  • Silicon Dioxide
  • Rice hull^
  • Agave fiber^
  • Rice bran extract^
  • Sunflower oil^
  • Agave syrup^
  • Sunflower lecithin^
  • Palm oil^.^Organic Ingredients
Efficacy Very Poor

Dosage Analysis

  • Collagen [from Marine Collagen Peptides+ (Wild Caught Cod Skin), Organic Beef Bone Broth Concentrate Powder, UC-II® Undenatured Type II Chicken Collagen] 1.5 g Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 10
Total Carbohydrate 1 g <1%*
Dietary Fiber 1 g 4%*
Protein 3 g 6%*
Collagen [from Marine Collagen Peptides+ (Wild Caught Cod Skin), Organic Beef Bone Broth Concentrate Powder, UC-II® Undenatured Type II Chicken Collagen] 1.5 g **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Modified Cellulose Safe

Creates vegetarian capsule shells with controlled dissolution.

Gum Acacia^ Generally_safe

It is used as a binder, emulsifier, or stabilizer.

Guar gum^ Unknown
Tapioca maltodextrin^ Unknown
Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Rice hull^ Unknown
Agave fiber^ Unknown
Rice bran extract^ Unknown
Sunflower oil^ Unknown
Agave syrup^ Unknown
Sunflower lecithin^ Unknown
Palm oil^.^Organic Ingredients Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$52$50$48$47$45 Mar 12 $49.99$47.00
iHerb
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 Collagen Complex, Type I a good supplement?

Dr. Mercola Collagen Complex, Type I, II & III, 90 Tablets received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 5 active ingredients with 30 servings per container. Of the 13 inactive ingredients, 3 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 Collagen Complex, Type I?

Dr. Mercola Collagen Complex, Type I contains 5 active ingredients: Calories (10), Total Carbohydrate (1 g), Dietary Fiber (1 g), Protein (3 g), Collagen [from Marine Collagen Peptides+ (Wild Caught Cod Skin), Organic Beef Bone Broth Concentrate Powder, UC-II® Undenatured Type II Chicken Collagen] (1.5 g). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Dr. Mercola Collagen Complex, Type I safe to take?

Dr. Mercola Collagen Complex, Type I, II & III, 90 Tablets 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.