Botanical Cube Inc. is one of the most professional manufacturers and suppliers of astaxanthin powder in China, featured by quality products and good price. Please rest assured to wholesale bulk discount astaxanthin powder from our factory.
Astaxanthin Powder Manufacturer | Built for Real Formulation Stability
Astaxanthin isn't a difficult ingredient to find, but getting it into a stable, easy-to-use powder is where things start to matter. Light, heat, and even normal processing conditions can gradually affect its color and activity.What we focus on is keeping those changes under control.From microalgae selection to extraction and drying, we keep the process relatively gentle and consistent, so the final powder holds up better over time. In practical terms, that means more stable color and less unexpected loss during production.
You'll usually notice the difference once it goes into real formulations. Whether it's softgels, capsules, tablets, or beverages, things like dispersion, color consistency, and processing stability tend to show up pretty quickly.Instead of offering just one standard version, we usually adjust based on what you're making - different concentrations (1%–10%), carrier systems, and OEM/private label support if needed.

Where Our Astaxanthin Powder
We don't treat Astaxanthin as a standard ingredient, mainly because most of the issues only show up once you start using it. What we do is built around those real-world challenges:
1. Stability-focused processing
Astaxanthin is easy to degrade if the process is too aggressive. We keep the extraction and drying conditions relatively controlled, so it holds up better during production and storage, instead of losing strength too quickly along the way.
2. Application-oriented formats
Not every powder works the same in every format. We adjust the powder characteristics depending on your application - whether it needs to flow well for softgels, blend evenly in capsules, or stay consistent in mixed formulations.
3. Consistent color & potency control
With Astaxanthin, color isn't just visual - it usually reflects its active content. Keeping both stable helps avoid batch-to-batch variation, which matters a lot for brand consistency and dosage accuracy.
4. Flexible customization
Different products need different setups. We can adjust concentration (1%–10%), carrier systems, and other specs based on how you plan to use it, instead of pushing a one-size-fits-all option.
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COA
| Item | Specification | Result | Test Method |
|---|---|---|---|
| Appearance | Red to dark red powder | Complies | Visual |
| Odor | Characteristic | Complies | Organoleptic |
| Assay (Astaxanthin) | ≥ 2.0% | 2.15% | HPLC |
| Particle Size | 100% pass 80 mesh | Complies | Sieve analysis |
| Loss on Drying | ≤ 5.0% | 3.42% | USP <731> |
| Ash Content | ≤ 5.0% | 2.18% | USP <281> |
| Bulk Density | 0.40–0.70 g/mL | 0.55 g/mL | USP Method |
| Tap Density | 0.50–0.90 g/mL | 0.72 g/mL | USP Method |
| Solubility | Dispersible in oil | Complies | Visual |
| Heavy Metals (Total) | ≤ 10 ppm | < 10 ppm | ICP-MS |
| Lead (Pb) | ≤ 2.0 ppm | 0.32 ppm | ICP-MS |
| Arsenic (As) | ≤ 1.0 ppm | 0.18 ppm | ICP-MS |
| Cadmium (Cd) | ≤ 1.0 ppm | 0.05 ppm | ICP-MS |
| Mercury (Hg) | ≤ 0.1 ppm | 0.01 ppm | ICP-MS |
| Total Plate Count | ≤ 1,000 CFU/g | 120 CFU/g | AOAC |
| Yeast & Mold | ≤ 100 CFU/g | 20 CFU/g | AOAC |
| E. coli | Negative | Negative | AOAC |
| Salmonella | Negative / 25g | Negative | AOAC |
| Staphylococcus aureus | Negative | Negative | AOAC |
| Residual Solvents | Meets USP <467> | Complies | GC |
| Pesticide Residues | Meets USP standards | Complies | GC-MS |
| Aflatoxins (B1+B2+G1+G2) | ≤ 10 ppb | < 5 ppb | HPLC |
What Is Astaxanthin Powder?
Astaxanthin Powder, also called natural astaxanthin, microalgae astaxanthin, or Haematococcus pluvialis extract, is a lipid-soluble carotenoid derived from microalgae. It is responsible for the deep red color and plays a key role as a cell-protective antioxidant.Its molecular structure allows it to interact across cell membranes, which is why it is commonly used in products targeting:
- Skin nutrition & beauty-from-within
- Eye health support
- Sports recovery & active lifestyle formulas
- Daily antioxidant supplementation
Because it is oil-soluble, its effectiveness depends heavily on how it is processed into powder form - especially the carrier and encapsulation approach used.
Market Direction: Growing Demand, Higher Expectations
The market for Astaxanthin Powder / Natural Astaxanthin continues to expand across supplements, functional foods, and even pet nutrition. However, the difference between products is becoming more visible.Many materials may share similar specifications on paper, but in practice, they vary in:
- Oxidation resistance
- Color intensity and visual appeal
- Stability during storage and formulation
- Actual usable astaxanthin content
As brands compete in more refined categories like beauty, anti-aging, and performance nutrition, ingredient quality is no longer judged by price alone - but by how well it holds up in real applications.
Key Manufacturing & Formulation Considerations
- Oxidation control is critical: astaxanthin must be protected during drying, blending, and storage
- Carrier system selection matters: maltodextrin, modified starch, or lipid-based carriers impact stability and dispersion
- Temperature sensitivity: avoid high-temperature processes during compaction or encapsulation
- Light protection packaging: aluminum foil or opaque containers are recommended
- Particle engineering: fine and uniform particle size improves mixing consistency and dosage accuracy
- Oil compatibility: ensure proper emulsification when used in liquid or softgel systems

Production Advantages That Matter in Real Formulation
- Stable algae cultivation system ensures consistent astaxanthin yield
- Controlled low-temperature extraction helps preserve active content
- Encapsulation or carrier-assisted processing improves handling performance
- Batch-to-batch consistency supports large-scale manufacturing
- OEM-friendly specification adjustment for different market requirements (US / EU / Asia formulations)
Practical Formulation Notes for Brands
- Always protect astaxanthin from direct sunlight during blending and storage
- Combine with antioxidants like vitamin E to improve stability in finished products
- Avoid alkaline environments, which may reduce pigment stability
- For beverage systems, use emulsified or water-dispersible forms instead of raw powder
- In multi-ingredient formulas, add astaxanthin at the final mixing stage whenever possible
OEM & Private Label Support That Matches Product Reality
For brands looking to launch or expand, we integrate Astaxanthin Powder supply with practical OEM solutions:
- Softgel-ready and capsule-friendly formats
- Custom formulation guidance based on application
- Flexible batch sizes for scaling
- Packaging and private label support
This allows you to move faster from concept to finished product, without needing to troubleshoot stability or compatibility issues later.
Common Applications
- Dietary supplements (capsules, softgels, tablets) for daily antioxidant formulas
- Beauty-from-within products targeting skin hydration, elasticity, and UV protection support
- Eye health formulations in combination with lutein, zeaxanthin, and omega oils
- Sports nutrition products for recovery and oxidative stress support
- Immune support blends combined with vitamins C, E, and plant extracts
- Pet nutrition supplements, especially for skin, coat, and joint wellness
- Functional foods and beverages (limited use due to oil-soluble nature, usually microencapsulated forms)
Recommended Dosage
- Dietary supplements: 4 mg – 12 mg astaxanthin per day
- Beauty & skin formulas: 2 mg – 8 mg per day
- Sports recovery support: 8 mg – 12 mg per day
- Eye health formulas: 4 mg – 10 mg per day
- Pet supplements: adjusted by species, typically 0.5 mg – 2 mg per kg feed
Note: Final dosage depends on formulation design, target market regulations, and delivery system (softgel, capsule, oil blend, etc.).
FAQs
Q1: Is Astaxanthin Powder water soluble?
No. Natural astaxanthin is oil-soluble, not water-soluble.
Solution: use emulsification, beadlets, or lipid-based carriers for beverages and dry mixes.
Q2: Why does astaxanthin lose color or potency during processing?
It is sensitive to heat, light, and oxygen exposure.
Solution: low-temperature drying, oxygen-controlled packaging, and antioxidant protection systems are recommended.
Q3: What is the difference between natural and synthetic astaxanthin?
Natural astaxanthin (from Haematococcus pluvialis) has higher bioactivity and is widely used in premium formulations.
Synthetic versions are mainly used in aquaculture and have lower market acceptance in supplements.
Q4: Can Astaxanthin Powder be used directly in capsules or tablets?
Yes, but stability depends on formulation.
Solution: use carriers such as starch, gum arabic, or encapsulated beadlets to improve flowability and protection.
Q5: What is the best formulation form for astaxanthin?
Softgels with oil suspension are the most stable and bioavailable format.
Capsules and tablets require stabilization systems to prevent oxidation.
Astaxanthin Powder Supplier | Stable Supply for OEM & Bulk Orders
We provide Astaxanthin Powder (Natural Astaxanthin / Haematococcus pluvialis extract) designed for real production use, where consistency and stability matter more than just specification on paper.
Our focus is to keep each batch reliable in terms of active content, color strength, and processing behavior, so it can be smoothly applied in softgels, capsules, and nutritional formulations without unnecessary adjustment during production.We also support OEM and private label projects, including customized specifications, application guidance, and flexible bulk supply to match different market requirements.For bulk orders, technical support, or OEM cooperation, please contact: sales@botanicalcube.com.
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