Nature's Answer Marine Collagen, Unflavored, 4.8 oz (137 g) supplement bottle
Nature's Answer

Marine Collagen, Unflavored, 4.8 oz (137 g)

What We Researched
12 active ingredients analyzed · 5 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
72
Product Score Fair
78
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as ascorbic acid) 45 mg 50%
Vitamin B6 (as pyridoxine HCl) 0.85 mg 50%
Biotin 20 mcg 67%
Pantothenic Acid (as D-Calcium Pantothenate) 2.5 mg 50%
Collagen peptides from hydrolyzed fish skin (Cod-Gadus morhua) (5 g) 5000 mg
Grape Extract (Seed) 100 mg
Horsetail Extract (Root) (standardized 7% silica) 50 mg
Chamomile Extract (Flower) 50 mg
Aloe Vera Extract (Leaf) 5 mg
Hyaluronic Acid (as Sodium Hyaluronate) 5 mg
Bioavailability Very Good

Absorption Rating

  • Vitamin C (as ascorbic acid) Fair
  • Vitamin B6 (as pyridoxine HCl) Fair
  • Biotin Good
  • Pantothenic Acid (as D-Calcium Pantothenate) Good
  • Collagen peptides from hydrolyzed fish skin (Cod-Gadus morhua) (5 g) Good
  • Grape Extract (Seed) Good
  • Horsetail Extract (Root) (standardized 7% silica) Fair
  • Chamomile Extract (Flower) Good
  • Aloe Vera Extract (Leaf) Fair
  • Hyaluronic Acid (as Sodium Hyaluronate) Good
Other Ingredients Excellent

Fillers & Additives

No inactive ingredient data available.

Efficacy Very Poor

Dosage Analysis

  • Vitamin C (as ascorbic acid) 45 mg Under-dosed
  • Vitamin B6 (as pyridoxine HCl) 0.85 mg Under-dosed
  • Biotin 20 mcg Under-dosed
  • Pantothenic Acid (as D-Calcium Pantothenate) 2.5 mg Under-dosed
  • Collagen peptides from hydrolyzed fish skin (Cod-Gadus morhua) (5 g) 5000 mg Effective
  • Grape Extract (Seed) 100 mg Under-dosed
  • Horsetail Extract (Root) (standardized 7% silica) 50 mg Under-dosed
  • Chamomile Extract (Flower) 50 mg Under-dosed
  • Aloe Vera Extract (Leaf) 5 mg Under-dosed
  • Hyaluronic Acid (as Sodium Hyaluronate) 5 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 20
Protein 5 g 10%*
Vitamin C (as ascorbic acid) 45 mg 50%
Vitamin B6 (as pyridoxine HCl) 0.85 mg 50%
Biotin 20 mcg 67%
Pantothenic Acid (as D-Calcium Pantothenate) 2.5 mg 50%
Collagen peptides from hydrolyzed fish skin (Cod-Gadus morhua) (5 g) 5000 mg
Grape Extract (Seed) 100 mg
Horsetail Extract (Root) (standardized 7% silica) 50 mg
Chamomile Extract (Flower) 50 mg
Aloe Vera Extract (Leaf) 5 mg
Hyaluronic Acid (as Sodium Hyaluronate) 5 mg

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$32$31$30$29$28 Mar 12 $30.00
iHerb

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

Brand Trust Report
Nature's Answer

Founded 1972 · Hauppauge, New York, United States · 234 products · naturesanswer.com

Certifications

5 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source

Violation History

3 incidents
Recall Coral Calcium2021-05-13Source
Fda Warning Product (Coral Calcium) contained cesium chloride, which is considered a new dietary ingredient that has not been shown to be safe. The product was deemed adulterated.2021-05-05Source
Prop 65 Lead2014-08-19Source
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Frequently Asked Questions
Is Nature's Answer Marine Collagen, Unflavored a good supplement?

Nature's Answer Marine Collagen, Unflavored, 4.8 oz (137 g) received a product quality score of 72/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 12 active ingredients with 25 servings per container. The manufacturer, Nature's Answer, holds a brand trust score of 78/100 with 5 verified certifications including Consumerlab, Fda Gmp Inspections, Non Gmo Project, Nsf Gmp.

What are the ingredients in Nature's Answer Marine Collagen, Unflavored?

Nature's Answer Marine Collagen, Unflavored contains 12 active ingredients: Calories (20), Protein (5 g), Vitamin C (as ascorbic acid) (45 mg), Vitamin B6 (as pyridoxine HCl) (0.85 mg), Biotin (20 mcg), Pantothenic Acid (as D-Calcium Pantothenate) (2.5 mg), and 6 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nature's Answer Marine Collagen, Unflavored safe to take?

Nature's Answer Marine Collagen, Unflavored, 4.8 oz (137 g) 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 Nature's Answer a trustworthy supplement brand?

Nature's Answer receives a brand trust score of 78/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1972 and headquartered in Hauppauge, New York, United States, the company offers 234 products in their lineup. They hold 5 verified certifications including Consumerlab, Fda Gmp Inspections, Non Gmo Project, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nature's Answer 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 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.