What is Hydrolyzed Fish Collagen Powder?
Hydrolyzed fish collagen powder is produced from fish skin or fish scales through enzymatic hydrolysis, which breaks large collagen molecules into smaller, easily soluble peptides.
Marine collagen is primarily composed of Type I collagen, the most abundant collagen type in human skin, bones, and connective tissue. Compared to bovine or porcine collagen, fish collagen peptides typically offer:
·Lower molecular weight
·Better water solubility
·Neutral taste and odor
·High absorption potential
·Suitable for pescatarian positioning

Main Active Ingredients
|
Component |
Specification |
Test Method |
Function |
|
Collagen Peptides |
≥90% Protein |
Kjeldahl |
Skin elasticity support |
|
Type I Collagen |
High concentration |
SDS-PAGE |
Anti-aging applications |
|
Glycine |
20–22% |
Amino Acid Analysis |
Tissue repair |
|
Proline |
10–13% |
Amino Acid Analysis |
Collagen synthesis |
|
Hydroxyproline |
8–12% |
HPLC |
Skin hydration support |
COA
|
Test Items |
Specification |
Test Method |
|
Appearance |
White to off-white powder |
Visual |
|
Protein Content |
≥90% |
Kjeldahl Method |
|
Peptide Content |
≥95% |
HPLC |
|
Molecular Weight |
500-3000 Da |
Gel Permeation Chromatography |
|
Moisture |
≤8.0% |
GB 5009.3 |
|
Ash |
≤3.0% |
GB 5009.4 |
|
Heavy Metals (as Pb) |
≤10 ppm |
ICP-MS |
|
Arsenic (As) |
≤1.0 ppm |
ICP-MS |
|
Mercury (Hg) |
≤0.1 ppm |
ICP-MS |
|
Total Plate Count |
≤1000 cfu/g |
GB 4789.2 |
|
Yeast & Mold |
≤100 cfu/g |
GB 4789.15 |
|
E.coli |
Negative |
GB 4789.3 |
|
Salmonella |
Negative |
GB 4789.4 |
|
Solubility |
Completely soluble in water |
Visual |
|
Particle Size |
80-120 mesh |
Sieve Analysis |
What are the benefits of Hydrolyzed Fish Collagen Powder?
1. Promotes Skin Health and Anti-Aging
Hydrolyzed fish collagen is rich in type I collagen, one of the most important proteins in skin structure. As we age, collagen synthesis decreases, leading to loss of elasticity, wrinkles, and sagging. Supplementing with fish collagen can effectively promote collagen synthesis, enhance skin structure and firmness, reduce wrinkle formation, and thus slow down the aging process. Studies show that long-term supplementation with hydrolyzed fish collagen helps improve skin elasticity, increase skin hydration, reduce fine lines and wrinkles, and improve skin radiance.
2. Improves Joint Health and Relieves Joint Pain
A significant benefit of hydrolyzed fish collagen is its support for joint health. Collagen is an important component of articular cartilage and is crucial for maintaining joint lubrication and elasticity. With age, collagen in articular cartilage decreases, easily leading to joint pain and inflammation. Supplementing with hydrolyzed fish collagen can promote cartilage repair and regeneration, alleviate arthritis symptoms, and relieve joint pain and stiffness. Multiple studies have shown that fish collagen helps reduce discomfort caused by joint degeneration and improves joint mobility.
3. Promotes Bone Health and Increases Bone Density
Hydrolyzed fish collagen promotes bone health and increases bone density. Collagen is the main organic component of bones, accounting for approximately 30% of total bone weight. With age, collagen loss can lead to osteoporosis and increase the risk of fractures. Supplementing with hydrolyzed fish collagen can strengthen bone structure, promote calcium deposition, thereby increasing bone density and reducing the risk of osteoporosis. Studies have also shown that hydrolyzed fish collagen helps increase the synthesis of bone collagen, helping to maintain bone strength and health.

4. Improves Hair and Nail Health
Fish collagen also has a significant impact on hair and nail health. Fish collagen provides essential amino acids that promote hair and nail growth and repair. Supplementing with hydrolyzed fish collagen helps improve hair thickness, strength, and shine, reducing hair loss and breakage. It also promotes nail growth and improves nail brittleness. For those looking to enhance hair and nail health, hydrolyzed fish collagen is an ideal supplement.
5. Improves Digestive Health
Hydrolyzed fish collagen also helps improve digestive health. It helps repair the intestinal lining, promoting gut health and function. The amino acids in fish collagen (such as glycine and proline) help repair the intestinal barrier, improve gut microbiota balance, thereby enhancing intestinal absorption and reducing gastrointestinal discomfort. For people with digestive problems, supplementing with hydrolyzed fish collagen can alleviate symptoms such as intestinal inflammation and discomfort, promoting gut health.
6. Supports Muscle and Exercise Recovery
The support fish collagen provides for muscle health is also receiving increasing attention. It is rich in amino acids, especially glycine and proline, which are essential for muscle tissue repair and recovery. For athletes or fitness enthusiasts, supplementing with hydrolyzed fish collagen helps accelerate muscle repair after exercise, reduce the occurrence of sports injuries, and improve muscle endurance and recovery.
7. Promotes Cardiovascular Health
Some studies have shown that hydrolyzed fish collagen also has benefits for cardiovascular health. It can help enhance the elasticity of blood vessels, reduce arteriosclerosis, and improve blood circulation, thereby lowering the risk of high blood pressure and atherosclerosis. By strengthening the structure of blood vessel walls, fish collagen helps maintain healthy blood vessels, promotes good blood flow, and contributes to overall cardiovascular health.
Application of Hydrolyzed Fish Collagen Powder
|
Application Field |
Practical Case |
Main Function |
Application Description |
|
Dietary Supplements |
Marine collagen capsules |
Structural protein ingredient |
Used in capsule and tablet formulations as a standardized collagen peptide source for premium supplement lines. |
|
Collagen Powder Blends |
Beauty collagen drink powder |
Nutritional protein support |
Incorporated into flavored collagen powder products designed for daily consumption and beauty-focused supplement markets. |
|
Functional Beverages |
Ready-to-drink collagen beverages |
High solubility protein enrichment |
Applied in liquid drink formulations due to excellent cold-water solubility and low viscosity. |
|
Sports Nutrition |
Protein recovery blends |
Amino acid supplementation |
Used in protein mixes and recovery products for active lifestyle formulations. |
|
Functional Foods |
Collagen gummies and protein bars |
Functional fortification |
Added to fortified snacks and gummies to enhance protein content and market value. |
|
Nutricosmetics |
Beauty-from-within sachets |
Premium marine ingredient positioning |
Included in inner beauty supplement formulas targeting skin-focused product positioning. |
|
Cosmetic Formulations |
Topical skincare products |
Film-forming and conditioning agent |
Used in cosmetic formulations such as masks and serums for marine-based skincare lines. |
|
Medical Nutrition |
Clinical nutrition powders |
Easily digestible protein source |
Used in specialized nutrition products requiring high digestibility and low molecular weight peptides. |
|
OEM & Private Label |
Customized collagen sachets |
Finished product manufacturing |
Supplied in bulk for contract manufacturers producing stick packs, capsules, and private label collagen products. |
|
Pet Nutrition |
Premium pet joint formulas |
Functional protein additive |
Incorporated into high-end pet supplements as a marine-derived protein ingredient. |

Production process
Step 1 Raw Material Selection
Fresh fish skin or scales from controlled marine sources are selected. Each batch is tested for heavy metals and microbiological safety.
Step 2 Cleaning and Pretreatment
Raw materials are thoroughly cleaned and subjected to controlled pretreatment to remove impurities.
Step 3 Enzymatic Hydrolysis
Food-grade enzymes are used to break down collagen into low molecular weight peptides under controlled temperature and pH conditions.
Step 4 Filtration and Concentration
Advanced membrane filtration removes unwanted residues and concentrates active peptides.
Step 5 Sterilization and Drying
Spray drying ensures stable powder formation while preserving peptide integrity.
Step 6 Quality Control
Each batch undergoes testing for protein content, molecular weight distribution, heavy metals, microbiological limits, and moisture content.

FAQ
Q1 What is the minimum order quantity
Standard MOQ is 100 kg. Smaller samples are available for laboratory evaluation.
Q2 Is your fish collagen odorless
Our hydrolyzed marine collagen has a neutral to mild odor suitable for beverage and capsule formulations.
Q3 What is the molecular weight range
Typically between 1000–3000 Daltons. Custom molecular weight ranges can be provided.
Q4 Is your collagen suitable for EU and US markets
Yes. Our product complies with relevant heavy metal and microbiological standards required for international markets.
Q5 Do you provide OEM finished product services
Yes. We support private label collagen powder, capsules, and stick pack manufacturing.
Q6 What is the difference between marine collagen and bovine collagen
Marine collagen is primarily Type I collagen and generally has lower molecular weight and better solubility compared to bovine collagen.
Product Packaging, Logistics & Storage
The powder is packaged in food-grade aluminum foil bags or fiber drums with double polyethylene inner bags to ensure moisture barrier and product integrity. Standard packaging options include 1kg, 5kg, and 25kg specifications, with customization available for bulk orders. The product should be stored in a cool, dry environment at temperatures below 25°C, away from direct sunlight and moisture. Under recommended storage conditions, the shelf life extends to 24 months from manufacturing date. We offer flexible logistics solutions including air freight for sample orders and sea freight for bulk shipments, ensuring timely delivery to global destinations. All shipments comply with international food safety regulations and include complete documentation including COA, MSDS, and necessary export certificates.
About Purea Biological
Purea Biological is a professional manufacturer and supplier of Hydrolyzed Fish Collagen Powder, specializing in premium marine-derived ingredients for global markets. With our integrated supply chain extending from controlled raw material sourcing to advanced processing facilities, we deliver consistent quality at competitive prices. Our comprehensive quality management system ensures every batch meets international standards including USP, EP, and customer-specific requirements. We support OEM/ODM services with flexible MOQs, providing customized specifications, packaging, and labeling solutions to meet diverse market needs. Our technical expertise enables us to assist partners in formulation development, regulatory compliance, and market positioning strategies. For more details or support, please contact us at sales@pureabio.com to discuss how our products can enhance your product portfolio.
Certifications
Purea Biological Technology Co., Ltd. focuses on plant extracts and biopharmaceuticals, backed by authoritative certifications including ISO9001 and SC. We adhere to global quality standards, implement full-chain quality control, and deliver compliant, reliable products to support overseas partners in food, health products and pharmaceutical fields.

Production Environment
Purea Biological Technology Co., Ltd. boasts a modern production base equipped with advanced equipment and technology. From raw material selection to extraction, separation, and purification, we strictly adhere to standard procedures to ensure the reliable quality of each batch of products. We have extremely strict quality control and a comprehensive quality control system. We rigorously control the quality of raw materials from the source, monitor the entire production process, and use advanced equipment to carefully inspect finished products.

Delivery Methods, Payment Way

Packages

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