Double Wood Supplements Marine Collagen Powder Unflavored supplement bottle
Double Wood Supplements

Marine Collagen Powder Unflavored Review

What We Researched
1 active ingredient analyzed · 2 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
95
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
Collagen peptides (from whitefish) 12 g *
Bioavailability Excellent

Absorption Rating

  • Collagen peptides (from whitefish) Good
Other Ingredients Excellent

Fillers & Additives

No inactive ingredient data available.

Efficacy Excellent

Dosage Analysis

  • Collagen peptides (from whitefish) 12 g Effective

Supplement Facts

Ingredient Amount % Daily Value
Collagen peptides (from whitefish) 12 g *
Brand Trust Report
Double Wood Supplements

Founded 2013 · Sharon Hill, Pennsylvania, United States · 60 products · doublewoodsupplements.com

Certifications

2 certifications
Consumerlab Verified Source
NSF Certified Verified

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — True
Contains Proprietary Blend — True

Violation History

3 incidents
Prop 65 Lead2024-07-05Source
Fda Warning Unapproved new drug claims related to hangover prevention.2020-11-10Source
Fda Warning Letter FDA Warning LetterSource
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Frequently Asked Questions
Is Double Wood Supplements Marine Collagen Powder Unflavored a good supplement?

Double Wood Supplements Marine Collagen Powder Unflavored 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 38 servings per container. The manufacturer, Double Wood Supplements, holds a brand trust score of 95/100 with 2 verified certifications including Consumerlab, NSF Certified.

What are the ingredients in Double Wood Supplements Marine Collagen Powder Unflavored?

Double Wood Supplements Marine Collagen Powder Unflavored contains 1 active ingredients: Collagen peptides (from whitefish) (12 g). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Double Wood Supplements Marine Collagen Powder Unflavored safe to take?

Double Wood Supplements Marine Collagen Powder Unflavored 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 Double Wood Supplements a trustworthy supplement brand?

Double Wood Supplements receives a brand trust score of 95/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2013 and headquartered in Sharon Hill, Pennsylvania, United States, the company offers 60 products in their lineup. They hold 2 verified certifications including Consumerlab, NSF Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Double Wood Supplements has 3 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 150,000 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 150,000 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 150,000 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 — 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.