Source Naturals Collagen from Fish supplement bottle
Source Naturals

Collagen from Fish Review

What We Researched
4 active ingredients analyzed · 7 inactive ingredients decoded · 2 brand certifications checked · Last updated: Aug 2026
93
Product Score Excellent
75
Brand Score Fair

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
Total Carbohydrates 1 g 1%
Kollaskin (as Fish Collagen) 3 g
Bioavailability Very Good

Absorption Rating

  • Total Carbohydrates Fair
  • Kollaskin (as Fish Collagen) Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Dibasic Calcium Phosphate
  • Stearic Acid
  • Modified Cellulose Gum
  • Hydroxypropylcellulose
  • Silica
  • Magnesium Stearate
Efficacy Excellent

Dosage Analysis

  • Kollaskin (as Fish Collagen) 3 g Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 10 kcal
Total Carbohydrates 1 g 1%
Protein 3 g 6%
Kollaskin (as Fish Collagen) 3 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.

Dibasic Calcium Phosphate Generally_safe

It is used as a filler and to improve tablet hardness.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Modified Cellulose Gum Generally_safe

It is used to improve the texture and stability of products.

Hydroxypropylcellulose Generally_safe

It is added to bind ingredients together and provide a smooth coating.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Brand Trust Report
Source Naturals

Founded 1982 · Scotts Valley, CA, USA · 1511 products · sourcenaturals.com/

Certifications

2 certifications
Fda Gmp Inspections Verified Source
Non-GMO Project Verified Verified

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
Contains Proprietary Blend — True
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Frequently Asked Questions
Is Source Naturals Collagen from Fish a good supplement?

Source Naturals Collagen from Fish received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 4 active ingredients with 30 servings per container. Of the 7 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Source Naturals, holds a brand trust score of 75/100 with 2 verified certifications including Fda Gmp Inspections, Non-GMO Project Verified.

What are the ingredients in Source Naturals Collagen from Fish?

Source Naturals Collagen from Fish contains 4 active ingredients: Calories (10 kcal), Total Carbohydrates (1 g), Protein (3 g), Kollaskin (as Fish Collagen) (3 g). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals Collagen from Fish safe to take?

Source Naturals Collagen from Fish 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 Source Naturals a trustworthy supplement brand?

Source Naturals receives a brand trust score of 75/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1982 and headquartered in Scotts Valley, CA, USA, the company offers 1511 products in their lineup. They hold 2 verified certifications including Fda Gmp Inspections, Non-GMO Project Verified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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.