What Is Astaxanthin CWD?

Astaxanthin is a deep-red keto-carotenoid produced by the microalgae Haematococcus pluvialis, and it is one of the most powerful natural antioxidants known – far exceeding vitamin C and vitamin E in singlet-oxygen quenching in comparative assays. Its molecular structure lets it span cell membranes, protecting both the lipid and aqueous layers of cells, which is why it is studied for skin, eye, muscle and cardiovascular protection. The CWD (cold-water-dispersible) 10% grade microencapsulates the oil-soluble carotenoid in a starch-gum matrix so it disperses in plain water.

Key Facts at a Glance

• Active content: Astaxanthin 10% (CWD beadlets)
• CAS number: 472-61-7
• Appearance: Deep red beadlets / powder
• Source: Haematococcus pluvialis algae
• Typical serving: 4-12 mg astaxanthin per day
• Dispersion: Cold-water dispersible
• Packaging: 25 kg drum (custom formats available)
• Shelf life: 24 months in sealed, cool, dry storage

Origin & Sourcing

Cultivated from Haematococcus pluvialis in closed photobioreactor and open-pond systems, harvested at peak carotenoid accumulation, then extracted and microencapsulated into CWD beadlets on a starch-gum carrier. The result is a free-flowing deep-red powder that disperses in cold water and protects the carotenoid from oxygen and light. Every batch is verified by HPLC for astaxanthin content, with heavy-metal and microbiology panels included.

Key Benefits

• One of the most powerful natural antioxidants known
• Protects skin from UV stress – beauty-from-within standard
• Supports eye health and visual fatigue
• Studied for muscle recovery in athletes
• CWD beadlets disperse in water without oil
• Natural algae source, HPLC-verified content

Applications

Beauty drinks, ready-to-drink functional beverages, gummies, sports-recovery powders, eye-health formulas and antioxidant complexes. The CWD grade is the enabling format for the fast-growing astaxanthin beverage segment, where oil-based ingredients simply do not work. Beyond supplements, the CWD grade also suits instant-tea and effervescent formats, and the natural red color can tint products without synthetic dyes. OEM customers often standardize one grade across beverage, gummy and powder SKUs to simplify inventory and COA management.

Why 2026 Matters

Beauty-from-within is one of the highest-growth supplement categories globally, led by Japan and Korea and now expanding worldwide, and astaxanthin is its flagship ingredient. Its dual positioning – skin and sports recovery – spans two premium categories at once. The CWD format is the supply-side unlock: it moved astaxanthin out of softgels and into the drinks and gummies where the category is actually growing. The beverage unlock is the commercial story: before CWD technology, astaxanthin was locked in softgels; now it anchors beauty drinks, the fastest-growing functional-beverage segment in Asia. Gummies and powder sticks followed. For OEM customers, the CWD 10% grade is the format that lets one active span beverages, gummies and powders – three SKU lines from one audited ingredient.

Science Snapshot

Astaxanthin’s conjugated double-bond system makes it an exceptional quencher of singlet oxygen and peroxyl radicals, and its polar end-groups anchor it across cell membranes. Human trials of 6-12 mg daily report improved skin elasticity and moisture, reduced UV-induced damage markers, better visual accommodation in screen-strain studies, and reduced muscle-damage markers in exercise trials. The algae-derived natural form is the research standard. The skin evidence is the category’s foundation: trials at 6-12 mg daily report improved skin elasticity and moisture and reduced markers of UV-induced stress after 8-16 weeks. Eye studies document better accommodation and reduced eye strain in screen-heavy populations. In sports, astaxanthin studied for exercise-induced muscle-damage markers and recovery endurance efficiency. The unifying mechanism is membrane-spanning antioxidant protection, which no other carotenoid matches structurally.

Quality & Specifications

• Actives: Astaxanthin 10% (CWD beadlets)
• Appearance: Deep red beadlets / powder
• Source: Haematococcus pluvialis algae
• Packaging: 25 kg drums (custom formats available)
• Shelf life: 24 months in sealed, cool, dry storage
• Testing: HPLC astaxanthin, heavy metals, microbiology, ethylene oxide (EtO), aflatoxins, PAH, pyrrolizidine alkaloids (PAs)
• Compliance: Pesticide residue screened to EU MRLs (EC) 396/2005; Proposition 65 (Prop 65) statement and full contaminant documentation on request
• Note: Business-to-business ingredient information only. Not intended to diagnose, treat, cure or prevent any disease.

Safety & Regulatory

Well tolerated at 4-12 mg per day in studies, with no established serious concerns. Avoid in pregnancy as a precaution and consult a healthcare professional if combining with medications.

Formulation Notes

The CWD beadlets disperse quickly in cold water with only a light red tint, making them ideal for beauty drinks, powders and gummies; the color can also be part of the product’s visual identity. Avoid prolonged high heat. Pairs with collagen and vitamin C in beauty stacks, with lutein and zeaxanthin in eye formulas, and with electrolytes in sports-recovery products.

How It Compares

• CWD beadlets vs oleoresin: oleoresin is the oil form for softgels; CWD beadlets disperse in water for beverages, gummies and powders.
• Natural algae vs synthetic astaxanthin: natural Haematococcus astaxanthin is the research standard and premium positioning; synthetic is petrochemical-derived and used in feed.
• Astaxanthin vs lycopene: both are carotenoids, but astaxanthin’s keto groups give far stronger radical-quenching and membrane-spanning behavior.
• 10% vs 5% CWD: 10% concentrates actives for smaller dose units; 5% suits value positioning and better color control.

Frequently Asked Questions (FAQ)

What is the astaxanthin content?

10% astaxanthin in cold-water-dispersible (CWD) beadlets, verified by HPLC.

Can you provide a COA and third-party test report?

Yes. Every batch ships with a Certificate of Analysis, and third-party testing is available on request.

What is the MOQ and packaging?

Standard packaging is a 25kg drum. Please contact us for current MOQ and sample availability.

Is this natural or synthetic?

Natural, from Haematococcus pluvialis algae – the source used in human clinical research.

Does it dissolve clear in water?

It disperses quickly in cold water with only a light red tint, with no oil ring or sediment.

What serving is typical?

4-12 mg of astaxanthin per day is the range used in skin, eye and sports studies.

Is it suitable for gummies?

Yes. CWD beadlets are widely used in gummies and powder sticks.

How to Get Started

1. Tell us your format and target dose – capsules, powders, tablets, gummies or beverages.
2. We confirm the matching grade, send the specification sheet and a free sample.
3. Approve the sample and run a trial batch; we lock the COA and lead time.
4. Scale to full production with batch-to-batch consistency guaranteed.