Products Description
Pure Krill Oil is a premium marine lipid extract derived from Euphausia superba - Antarctic krill, the small crustaceans that form one of the largest biomasses on Earth. Unlike conventional fish oil, krill oil delivers its omega-3 fatty acids (EPA and DHA) primarily in phospholipid form rather than triglyceride form - a structural difference with profound consequences for bioavailability, cellular uptake, and formulation performance.
Beyond omega-3s, krill oil contains two additional bioactives that fish oil simply cannot offer:
* Astaxanthin - a potent carotenoid antioxidant that protects the oil's polyunsaturated fatty acids from oxidation (and delivers independent health benefits)
* Choline - an essential nutrient critical for brain health, liver function, and cellular membrane integrity
The result is an ingredient that is simultaneously a superior omega-3 delivery system, a natural antioxidant, and a choline source - three functional benefits in one clean, stable, consumer-friendly product.
Research published in PMC (National Institutes of Health) confirms that krill oil demonstrates superior bioavailability compared to fish oil across 26 high-quality comparative studies - making the scientific case for krill oil's premium positioning both robust and defensible.
Source: Where Our Krill Oil Comes From
The Antarctic Advantage
JOYWIN's Pure Krill Oil is sourced exclusively from Antarctic krill (Euphausia superba) harvested in the pristine waters of the Southern Ocean - specifically the fishing zones around Antarctica designated under the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) framework.
Why does source geography matter so much for krill oil quality?
Purity: The Southern Ocean is among the least industrially polluted marine environments on Earth. Antarctic krill live at the base of the food chain, feeding on phytoplankton - which means they accumulate virtually none of the heavy metals, PCBs, and dioxins that concentrate in larger fish species higher up the food chain.
Nutrient density: Antarctic krill are harvested during peak feeding seasons when their phospholipid, astaxanthin, and omega-3 content is at its highest - a timing consideration that directly impacts finished oil quality.
Sustainability: Antarctic krill represent one of the most abundant marine species on Earth, with a biomass estimated at 379–500 million metric tons. CCAMLR-regulated harvesting ensures that catch volumes remain a tiny fraction of sustainable yield - making krill oil one of the most environmentally responsible marine ingredients available.
Sustainability Certification
JOYWIN sources exclusively from suppliers holding:
✅ Marine Stewardship Council (MSC) certification - the global gold standard for sustainable fisheries
✅ CCAMLR compliance - Antarctic marine resource conservation framework
✅ Friend of the Sea certification (available on request)
For brands building ESG credentials into their supply chain narrative, krill oil's sustainability story is genuinely compelling - and verifiable.
Key Bioactive Components
Understanding krill oil's composition is essential for accurate product positioning and label claims. Here is the complete bioactive profile:
The Phospholipid Difference - Why It Matters More Than You Think
The single most important compositional distinction between krill oil and fish oil is the molecular form of the omega-3 fatty acids:
|
Omega-3 Form |
Krill Oil |
Fish Oil |
|
Phospholipid-bound EPA/DHA |
~35–65% |
<1% |
|
Triglyceride-bound EPA/DHA |
~25–35% |
~85–95% |
|
Ethyl ester EPA/DHA |
None |
Present in many products |
Why phospholipids matter: Cell membranes are composed of phospholipid bilayers. Phospholipid-bound omega-3s are structurally identical to the form that cells use - they are incorporated directly into cell membranes without requiring the metabolic conversion steps that triglyceride-form omega-3s need. This explains the superior bioavailability data.
Complete Bioactive Profile
|
Component |
Typical Content |
Function |
|
Total Omega-3 Fatty Acids |
25–35% |
Cardiovascular, brain, inflammatory health |
|
EPA (Eicosapentaenoic Acid) |
14–20% |
Anti-inflammatory, cardiovascular |
|
DHA (Docosahexaenoic Acid) |
7–12% |
Brain health, vision, neurological function |
|
Phospholipids (total) |
35–50% |
Bioavailability enhancement, cell membrane support |
|
Phosphatidylcholine (PC) |
30–45% of phospholipids |
Choline delivery, liver health, brain function |
|
Astaxanthin |
100–500 mcg/g |
Antioxidant protection, anti-inflammatory |
|
Choline |
60–80 mg/g |
Neurotransmitter synthesis, liver health |
|
Sphingomyelin |
Present |
Neurological health |

Product Specifications & Certificate of Analysis (COA)
|
Parameter |
Specification |
Test Method |
|
Appearance |
Dark red-orange viscous oil |
Visual |
|
Odor |
Mild marine, characteristic |
Organoleptic |
|
Color |
Deep red-orange (astaxanthin) |
Visual/Spectrophotometric |
|
Total Omega-3 |
≥25% (w/w) |
GC-FID |
|
EPA Content |
≥14% (w/w) |
GC-FID |
|
DHA Content |
≥7% (w/w) |
GC-FID |
|
Phospholipids |
≥35% (w/w) |
HPLC |
|
Astaxanthin |
≥150 mcg/g |
HPLC |
|
Choline |
≥60 mg/g |
Enzymatic assay |
|
Peroxide Value (PV) |
≤5 meq/kg |
AOCS Cd 8b-90 |
|
Anisidine Value (AV) |
≤20 |
AOCS Cd 18-90 |
|
TOTOX Value |
≤26 |
Calculated (2PV + AV) |
|
Moisture |
≤1.0% |
Karl Fischer |
|
Heavy Metals (Pb) |
≤0.1 ppm |
ICP-MS |
|
Heavy Metals (Hg) |
≤0.1 ppm |
ICP-MS |
|
Heavy Metals (Cd) |
≤0.1 ppm |
ICP-MS |
|
Heavy Metals (As) |
≤0.1 ppm |
ICP-MS |
|
PCBs |
≤0.09 mg/kg |
GC-MS |
|
Dioxins |
Within EU regulatory limits |
GC-HRMS |
|
Total Plate Count |
≤1,000 CFU/g |
USP <61> |
|
Yeast & Mold |
≤100 CFU/g |
USP <61> |
|
Salmonella |
Absent/25g |
USP <62> |
|
Shelf Life |
24 months (unopened) |
Stability study |
|
Storage |
Cool, dark, <25°C, nitrogen blanket |
- |
Full batch-specific COA available upon request. Third-party laboratory verification available.
Production Process
JOYWIN's Pure Krill Oil is produced using a cold-process extraction technology that preserves the integrity of heat-sensitive bioactives - particularly astaxanthin and phospholipids - that are degraded by conventional high-temperature processing methods.
Step-by-Step Production Overview
Step 1: Sustainable Harvesting
Fresh Antarctic krill are harvested using purpose-built vessels equipped with continuous on-board processing systems - the krill are processed within hours of harvest to prevent lipid oxidation and enzymatic degradation. This "ship-to-tank" approach is critical for maintaining oil quality.
Step 2: Initial Stabilization
Freshly harvested krill are immediately stabilized with food-grade antioxidants to halt lipid oxidation before processing begins. Temperature control is maintained throughout.
Step 3: Phospholipid-Preserving Extraction
JOYWIN sources krill oil produced via acetone extraction or supercritical CO₂ extraction - methods specifically designed to preserve the phospholipid fraction intact. Conventional hexane extraction - used for fish oil - disrupts phospholipid structures and is not used.
Step 4: Solvent Removal & Purification
Residual extraction solvents are removed under vacuum at controlled temperatures. The crude oil undergoes molecular distillation to remove any trace contaminants while preserving bioactive integrity.
Step 5: Astaxanthin Standardization
Astaxanthin content is measured and standardized to specification. Natural astaxanthin from krill is the trans isomer - the biologically active form - which is preserved by the cold-process extraction methodology.
Step 6: Quality Testing & Release
Every batch undergoes comprehensive analytical testing (see Quality Control section) before release. No batch ships without a fully compliant COA.
Step 7: Nitrogen-Blanketed Packaging
Finished krill oil is packaged under nitrogen atmosphere to prevent oxidation during storage and transit - a critical step that many suppliers skip, resulting in elevated peroxide values upon arrival.
Quality Control: The JOYWIN Standard
Quality control is where ingredient suppliers differentiate themselves - and where the real cost of a "cheaper" supplier becomes apparent when your finished product fails stability testing or triggers a consumer complaint.
Our Multi-Layer QC Framework
Raw Material Qualification Every krill oil batch is sourced only from CCAMLR-certified, MSC-certified fisheries with full chain-of-custody documentation. We do not source from spot markets or unverified intermediaries.
In-Process Testing
* Peroxide value monitoring at every processing stage
* Temperature logging throughout extraction and packaging
* Astaxanthin content verification pre- and post-processing
Finished Product
Testing Every batch is tested for:
✅ Full fatty acid profile (GC-FID)
✅ Phospholipid content and profile (HPLC)
✅ Astaxanthin content (HPLC)
✅ Oxidation markers (PV, AV, TOTOX)
✅ Heavy metals (ICP-MS: Pb, Hg, Cd, As)
✅ PCBs and dioxins (GC-MS/GC-HRMS)
✅ Microbiological safety (USP <61>, <62>)
✅ Moisture content (Karl Fischer)
Third-Party Verification
JOYWIN partners with accredited third-party laboratories for independent verification of key quality parameters. Third-party test reports are available to customers upon request - not just our own internal COA.
Stability Program Ongoing stability studies under ICH-compliant conditions (25°C/60% RH and 40°C/75% RH) provide real-world shelf-life data to support your product development and label claims.
Certifications
|
Certification |
Status |
|
GMP Manufacturing |
✅ Certified |
|
Kosher |
✅ Certified |
|
Halal |
✅ Certified |
|
MSC Sustainable Fisheries |
✅ Certified |
|
Non-GMO |
✅ Verified |
|
CCAMLR Compliance |
✅ Documented |
Why Pure Krill Oil Outperforms the Alternatives
The Honest Comparison: Krill Oil vs. Fish Oil vs. Algae Oil
We know you're evaluating multiple omega-3 sources. Here's the unvarnished comparison:
|
Parameter |
Pure Krill Oil |
Fish Oil |
Algae Oil |
|
Omega-3 form |
Phospholipid + triglyceride |
Triglyceride (or ethyl ester) |
Triglyceride |
|
Bioavailability |
Superior |
Moderate |
Moderate |
|
Astaxanthin |
✅ Natural, present |
❌ Absent |
❌ Absent |
|
Choline |
✅ Present (~60–80 mg/g) |
❌ Absent |
❌ Absent |
|
Fishy aftertaste |
Minimal |
Common complaint |
None |
|
Oxidation stability |
High (astaxanthin protection) |
Lower |
Moderate |
|
Sustainability |
Excellent (MSC certified) |
Variable |
Excellent |
|
Heavy metal risk |
Very low (base of food chain) |
Moderate (bioaccumulation) |
None |
|
Consumer positioning |
Premium, differentiated |
Commodity |
Vegan/plant-based |
|
Price point |
Premium |
Low-moderate |
Premium |
The bottom line for formulators: Fish oil is a commodity ingredient in a crowded market. Krill oil is a premium, differentiated ingredient with a scientifically defensible superiority story - and a consumer base willing to pay for it.
Health Benefits & Scientific Evidence
1. Cardiovascular Health
EPA and DHA are among the most extensively researched nutrients in cardiovascular medicine. Phospholipid-bound omega-3s from krill oil have demonstrated:
Triglyceride reduction - EPA/DHA reduce hepatic VLDL triglyceride production
Blood pressure support - omega-3s modulate vascular tone through eicosanoid pathways
Platelet aggregation reduction - reducing thrombotic risk
Endothelial function improvement - supporting arterial flexibility and blood flow
A 2025 study published in ScienceDirect specifically demonstrated that krill oil increases plasma omega-3 fatty acids more than fish oil - confirming superior delivery of cardiovascular-relevant EPA and DHA to target tissues.
2. Brain Health and Cognitive Function
DHA is the dominant structural fatty acid in the brain - comprising approximately 40% of the polyunsaturated fatty acids in brain gray matter. Phospholipid-bound DHA from krill oil crosses the blood-brain barrier more efficiently than triglyceride-form DHA, supported by the brain's preferential uptake of lysophosphatidylcholine-DHA (LPC-DHA) - the form generated from krill oil phospholipids during digestion.
Additionally, krill oil's choline content supports acetylcholine synthesis - the primary neurotransmitter for memory and cognitive function. This dual DHA + choline delivery for brain health is unique to krill oil among marine omega-3 sources.
3. Anti-Inflammatory Activity
The anti-inflammatory effects of krill oil operate through two independent mechanisms:
Omega-3 pathway: EPA is the precursor to resolvins and protectins - specialized pro-resolving mediators (SPMs) that actively resolve inflammation rather than merely suppressing it. Phospholipid-form EPA's superior bioavailability means more EPA reaches target tissues for SPM synthesis.
Astaxanthin pathway: Astaxanthin is a potent antioxidant and anti-inflammatory agent that inhibits NF-κB signaling - a master regulator of inflammatory gene expression. Krill oil's natural astaxanthin content provides anti-inflammatory activity independent of the omega-3 pathway.
4. Joint Health
Clinical research has demonstrated that krill oil supplementation reduces joint pain and stiffness in individuals with mild-to-moderate osteoarthritis and rheumatoid arthritis - effects attributed to both omega-3 anti-inflammatory activity and astaxanthin's NF-κB inhibition.
5. Eye Health
DHA is a major structural component of the retinal photoreceptor membranes. Adequate DHA intake supports visual acuity, reduces dry eye symptoms, and may reduce age-related macular degeneration risk. Krill oil's phospholipid-DHA form is preferentially incorporated into retinal tissue.
6. Women's Health: PMS and Hormonal Balance
Clinical trials have demonstrated that krill oil supplementation significantly reduces the physical and emotional symptoms of PMS - including dysmenorrhea (painful menstruation), breast tenderness, and mood disturbances - compared to both placebo and fish oil. The phospholipid omega-3s' superior anti-inflammatory activity is the proposed mechanism.
7. Liver Health (NAFLD Support)
Krill oil's combination of phospholipid omega-3s and choline addresses two key drivers of non-alcoholic fatty liver disease (NAFLD): hepatic triglyceride accumulation (addressed by EPA/DHA) and choline deficiency (addressed by phosphatidylcholine). This dual mechanism makes krill oil a compelling ingredient for metabolic health formulas.
Application Scenarios: Where Pure Krill Oil Performs Best
Softgel Capsules - The Primary Format
Krill oil's natural viscosity and lipid composition make it ideal for softgel encapsulation. Standard fill weights range from 500mg to 1,000mg per softgel, with typical consumer doses of 1–3 softgels per day.
Formulation advantage: Krill oil's natural astaxanthin gives softgels a distinctive deep red color - a visual differentiator that communicates premium quality and natural origin to consumers. No artificial coloring required.
Target Product Categories
|
Product Category |
Key Positioning |
Target Consumer |
|
Premium Omega-3 Supplement |
Superior bioavailability vs. fish oil |
Health-conscious adults 35+ |
|
Brain Health Formula |
DHA + Choline cognitive support |
Professionals, aging adults |
|
Joint Support Supplement |
Anti-inflammatory omega-3 + astaxanthin |
Active adults, arthritis sufferers |
|
Women's Health Formula |
PMS relief, hormonal balance |
Women 25–50 |
|
Cardiovascular Wellness |
Triglyceride and BP support |
Cardiovascular risk adults |
|
Sports Recovery Formula |
Anti-inflammatory, muscle recovery |
Athletes, fitness enthusiasts |
|
Metabolic Health / Liver Support |
NAFLD, insulin sensitivity |
Metabolic syndrome population |
|
Children's Brain Development |
DHA for cognitive development |
Parents of young children |
|
Prenatal Supplement |
DHA for fetal brain development |
Pregnant women |
|
Anti-Aging Longevity Formula |
Astaxanthin + omega-3 cellular protection |
Premium wellness consumers |
Private Label Opportunity
JOYWIN supports private label krill oil softgel production through our network of GMP-certified contract manufacturers. We can provide:
* Bulk krill oil for your own manufacturing
* Turnkey private label softgels with custom branding
* Custom formulations combining krill oil with complementary actives (CoQ10, Vitamin D3, astaxanthin boost, etc.)
Packaging & Logistics
Bulk Packaging Options
|
Package Type |
Fill Size |
Best For |
|
Aluminum drum |
25 kg |
Standard bulk orders |
|
Aluminum drum |
50 kg |
High-volume manufacturing |
|
IBC (Intermediate Bulk Container) |
200 kg |
Large-scale production |
|
Custom packaging |
As specified |
Special requirements |
All packaging features:
✅ Food-grade aluminum interior lining
✅ Nitrogen-blanketed headspace (critical for oxidation prevention)
✅ Tamper-evident seals
✅ Batch number, COA reference, and expiry date labeling
✅ UN-compliant for international shipping
Storage & Handling Requirements
Storage temperature: 2–8°C (refrigerated) for optimal shelf life; <25°C acceptable for short-term storage
Light protection: Opaque packaging; avoid direct light exposure
Atmosphere: Nitrogen blanket maintained until point of use
Shelf life: 24 months from production date under recommended storage conditions
Shipping & Lead Times
|
Destination |
Shipping Method |
Estimated Transit |
|
North America |
Sea freight (refrigerated) |
18–25 days |
|
Europe |
Sea freight (refrigerated) |
20–30 days |
|
Southeast Asia |
Sea freight |
7–14 days |
|
Middle East |
Sea freight |
14–20 days |
|
Express (any region) |
Air freight (cold chain) |
3–5 days |
Minimum Order Quantity (MOQ): 25 kg (1 drum) Sample availability: 100–500g samples available for qualification testing
All shipments include full cold-chain documentation, phytosanitary certificates, and customs clearance support.
JOYWIN Exhibition Show
JOYWIN attend international exhibitions, including CPhI, FIC, API, Vitafoods, SupplesideWest.

Certificate
JOYWIN own a number of invention patents and certifications including NOP/JAS, BRC, FSSC, cGMP, Kosher, HALAL, ISO9001, ISO14001, ISO22000, etc.

Frequently Asked Questions (FAQ)
Q: What makes JOYWIN's krill oil different from other suppliers? Our krill oil is sourced exclusively from MSC-certified Antarctic fisheries, processed using phospholipid-preserving cold extraction, nitrogen-blanketed throughout the supply chain, and third-party tested for every quality parameter. We don't just provide a COA - we provide the underlying third-party laboratory data.
Q: How does krill oil's bioavailability compare to fish oil? Multiple clinical studies confirm krill oil's superior bioavailability. A comprehensive review of 26 high-quality studies published in PMC found superior plasma omega-3 elevation with krill oil compared to fish oil. A 2025 ScienceDirect study confirmed that krill oil increases plasma EPA and DHA more effectively than fish oil.
Q: Is krill oil safe for consumers with shellfish allergies? Krill are crustaceans and share allergen proteins with shellfish. Krill oil supplements should carry a crustacean shellfish allergen declaration. Individuals with known shellfish allergies should consult their physician before use. We provide full allergen documentation for regulatory compliance.
Q: What is the astaxanthin content and is it natural? Our krill oil contains ≥150 mcg/g of natural astaxanthin - the trans isomer derived directly from the krill's phytoplankton diet. This is distinct from synthetic astaxanthin used in some supplements. Natural astaxanthin has superior antioxidant activity and bioavailability compared to synthetic forms.
Q: Can krill oil be combined with other ingredients? Yes. Krill oil combines well with Vitamin D3, CoQ10, astaxanthin (for boosted antioxidant positioning), phosphatidylserine (for brain health formulas), and glucosamine/chondroitin (for joint health formulas). We can provide formulation guidance for specific combination products.
Q: What certifications does your krill oil carry? Our krill oil is GMP manufactured, Kosher certified, Halal certified, Non-GMO verified, and sourced from MSC-certified sustainable fisheries. Full certification documentation is available upon request.
Q: What is the minimum order quantity? MOQ is 25 kg (one aluminum drum). Samples of 100–500g are available for qualification testing prior to bulk ordering.
Q: How should bulk krill oil be stored upon receipt? Store at 2–8°C in the original sealed container under nitrogen atmosphere. Once opened, use within 30 days and maintain nitrogen blanket. Avoid exposure to light, heat, and oxygen.
Q: Do you provide stability data for formulation development? Yes. We provide ICH-compliant stability data (25°C/60% RH and 40°C/75% RH) to support your product development, shelf-life claims, and regulatory submissions.
Q: Can you support private label or custom formulation projects? Absolutely. JOYWIN supports private label krill oil softgel production through our GMP contract manufacturing network, as well as custom formulations combining krill oil with complementary actives. Contact our technical team to discuss your specific requirements.
Q: How can I place an order on Pure Krill Oil? You can click the inquiry or send us an e-mail to contact@joywinworld.com
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