What is Astaxanthin Powder?
Microalgae-type organisms such as Haematococcus pluvialis, together with other marine organisms, serve as the natural source for extracting concentrated astaxanthin powder. The antioxidant carotenoid group has been recognized for carrying outstanding antioxidant functions alongside anti-inflammatory properties. As an antioxidant, astaxanthin demonstrates six thousand times stronger activity than vitamin C while functioning to minimize free radicals and tissue damage, together with protecting the skin from ultraviolet rays and maintaining heart health and joint movement, and muscle restoration following exercise. The compound can cross through the blood-retinal barrier, so it safeguards ocular tissues from oxidizing agents. This substance exists in many dietary supplements as well as skin products for anti-aging and natural food colorants. The use of this substance is considered secure, yet users should moderate its application to prevent short-term darkening of the skin. Its natural origin, along with numerous biological activities, makes it extremely popular in the health and beauty field.

COA
| Item | Specification | Result |
| Appearance | Dark red powder | Conforms |
| Odor | Mild, slightly marine-like | Conforms |
| Astaxanthin Content | ≥ 2.0% | 2.12% |
| Moisture Content | ≤ 5.0% | 3.80% |
| Mesh Size | 100% pass 80 mesh | Conforms |
| Bulk Density | 0.35–0.55 g/mL | 0.41 g/mL |
| Loss on Drying | ≤ 6.0% | 4.20% |
| Residual Solvents | ≤ 0.5 ppm | < 0.1 ppm |
| Heavy Metals | ≤ 10 ppm | < 5 ppm |
| Arsenic (As) | ≤ 0.1 ppm | < 0.05 ppm |
| Lead (Pb) | ≤ 0.1 ppm | < 0.05 ppm |
| Mercury (Hg) | ≤ 0.05 ppm | < 0.01 ppm |
| Microbial Limits | Total Plate Count ≤ 1,000 CFU/g | < 100 CFU/g |
| Yeast & Mold ≤ 100 CFU/g | < 10 CFU/g | |
| E. coli / Salmonella: Negative in 10g | Negative |
Are you interested in our products? Just leave a message on this website or contact donna@kingsci.com directly to get free samples and more professional support!
Types of finished products that Astaxanthin can be processed
1. Softgel Capsules
People widely use this supplement format because it uses it dissolved in oil to improve absorption rates. Softgels maintain user-friendliness because they easily glide down the throat without difficulty while providing daily flexibility.
2. Powdered Capsules or Tablets
This format uses powder as a dry substance, which sometimes combines it with other nutrient elements. These supplements possess increased shelf life while suiting users who want their supplements without oil.
3. Astaxanthin Oil Drops
You can obtain it through liquid drops, which deliver potent oil-based astaxanthin for customizable administration or adding to food products. Several users prefer this product because it absorbs rapidly and remains easy to use.
4. Gummies
The gummy format of astaxanthin supplements serves as an alternate option that presents a tasty chewable dosage for people who avoid traditional pills. The supplements contain natural tastes alongside nutrient components.
5. Topical Formulations
It exists in creams and serums, and oils for skin use, where it provides surface-level antioxidant defensive measures along with moisturizing benefits.
6. Functional Beverages
The hydrating properties of water-dispersible astaxanthin make it an ingredient in health drinks that also contain vitamins and plant-based extracts for antioxidant assistance.
Professional Raw Material Base
Kingsci built a cultivation base specifically for Haematococcus pluvialis raw materials usage at our Yunnan Province, China location to supply customers with affordable Haematococcus Pluvialis Powder starting materials. The region benefits from perfect conditions, including bright sunlight together with pure water, along with steady temperatures that maximize both the growth and astaxanthin development of microalgae. Getting involved directly in cultivation lets us achieve dual benefits of premium quality control and efficient production while presenting competitive prices to customers. Our vertically integrated business strategy combines superior product tracing with sustainability benefits while supporting different customer requirements through flexible and dependable operations.

Why choose Kingsci to buy Astaxanthin?
1. Extensive Experience and In-House Cultivation
Our company keeps Astaxanthin as a foundation product and supports its development through seventeen years of focused research, along with manufacturing and developmental excellence. We established our Haematococcus pluvialis cultivation base in Yunnan, China, to establish consistent quality and raw material stability because the area suits algae growth naturally.
2. Comprehensive Product Range
Our company provides diverse astaxanthin products such as natural astaxanthin, synthetic astaxanthin, alongside fermentation-derived astaxanthin powder and oil-based astaxanthin to fulfill various market requirements. Our diversified astaxanthin products permit support for supplements, as well as cosmetics and animal nutrition products, and the functional foods market.
3. Strict Quality Standards and Certifications
All our production operations comply with globally approved standards, which include FDA, ISO and HACCP, and KOSHER certifications. Strict quality control operations test every batch for safety by examining all material, starting from the raw ingredients until the finalized product appears.
4. Customized Solutions and Packaging Flexibility
We collaborate with you to pick appropriate product requirements that match your operational needs, plus market demands. The company offers bespoke packaging solutions together with formulation services to help your operations reach their goals through optimized methods.
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