Extract Warehouse is a premier manufacturer and trusted global supplier of high-quality Vitamin D3 Powder (Cholecalciferol). With extensive expertise in the nutraceutical and food ingredient sectors, we provide premium, natural raw materials tailored for human nutritional products, dietary supplements, functional foods, and cosmeceuticals. We are committed to supplying formulators, brand owners, and distributors with consistent, high-potency ingredients that drive product excellence.
Overview of Vitamin D3 Powder (Cholecalciferol)
Vitamin D3, scientifically known as Cholecalciferol, is the biologically active form of Vitamin D naturally synthesized in the human skin upon exposure to ultraviolet (UV) light. As a critical regulator of calcium and phosphorus homeostasis, it plays an indispensable role in maintaining skeletal integrity, supporting robust immune function, and promoting overall cellular health.
At Extract Warehouse, we offer a versatile, industry-leading range of Vitamin D3 powder and crystal forms designed to meet the rigorous demands of modern manufacturing. Our Cholecalciferol is meticulously sourced from high-purity lanolin and processed using advanced micro-encapsulation and stabilization technologies. This ensures that the highly sensitive Vitamin D3 molecule remains potent and stable throughout the manufacturing process and its entire shelf life, delivering consistent health benefits for bone density, dental strength, and immune modulation.
Sourcing, Manufacturing & Quality Assurance
Source and Origin:
Our premium Vitamin D3 is derived from high-purity lanolin, a sustainable and renewable natural resource extracted from sheep's wool. This ensures a 100% natural origin, aligning with clean-label trends and consumer demands for natural nutraceuticals.
Production Technology:
Vitamin D3 is inherently sensitive to oxygen, light, and heat. To mitigate this, Extract Warehouse utilizes proprietary micro-encapsulation technology. By coating the active ingredient with specialized protective matrices and incorporating antioxidants (such as Vitamin E), we shield the Cholecalciferol from oxidative degradation. This guarantees exceptional stability during high-shear mixing, tablet compression, and extended storage.
Quality Control & Testing:
Every batch of our bulk Vitamin D3 powder undergoes rigorous analytical testing. Our PhD-led quality assurance team employs High-Performance Liquid Chromatography (HPLC) to verify potency and purity, ensuring strict compliance with international pharmacopeia standards. What is stated on the Certificate of Analysis (COA) is precisely what is in the drum.
Technical Specifications & Physical Properties
We offer two primary grades of Vitamin D3 to accommodate diverse formulation requirements. Below are the detailed technical specifications for our standard offerings:
| Analysis Item | Cold-Water Dispersible (CWS) Grade | Crystal Grade (High Potency) | Test Method |
|---|---|---|---|
| Assay (Vitamin D3) | 100,000 / 500,000 IU/g | ≥ 40,000,000 IU/g (99%) | HPLC |
| Appearance | White Free-flowing Powder | White or Off-white Crystals | Visual |
| Identification | Positive | Positive | USP/EP |
| Loss on Drying | ≤ 5.0% | ≤ 0.5% | 105℃ / 2h |
| Heavy Metals | Total < 10ppm (Pb < 2ppm) | Total < 5ppm | ICP-MS |
| Solubility / Dispersibility | Dispersible in cold water (CWS) | Soluble in fats and oils | Visual |
| Particle Size | 100% < 80 mesh | N/A | Sieve Analysis |
| Shelf Life | 24 Months | 24 Months | Stability Test |
Key Features & Formulation Advantages
- Advanced Micro-Encapsulation: Our 100,000 IU/g and 500,000 IU/g CWS powders feature a specialized protective coating that prevents oxidation, ensuring high stability and prolonged potency in complex premixes.
- Exceptional Uniformity & Flowability: The fine particle size (100% passing through an 80-mesh screen) ensures seamless, homogeneous integration into dry blends, tablets, and capsules without the risk of ingredient segregation.
- High Bioavailability: Our standardized molecular forms ensure rapid intestinal absorption and efficient hepatic conversion to 25(OH)D, maximizing the physiological benefits for the end consumer.
- Pharmaceutical Compliance: Manufactured in a highly controlled environment, every batch is tested to meet or exceed stringent USP and EP standards for purity, potency, and safety.
Diverse Industry Applications
Extract Warehouse Vitamin D3 Powder is highly versatile, making it an ideal raw material for a wide array of commercial applications:
- Dietary Supplements: The gold-standard ingredient for bone health formulations, immune-support capsules, softgels, and comprehensive multi-vitamin tablets.
- Food Fortification: Perfectly suited for enriching milk powders, infant formulas, plant-based milk alternatives, and functional breakfast cereals with essential Vitamin D3.
- Functional Beverages: Our CWS (Cold-Water Dispersible) grade is specifically engineered for clear and opaque liquid formulations, energy drinks, sports nutrition, and wellness shots, preventing oil separation and sedimentation.
- Cosmeceuticals & Personal Care: Utilized in specialized skin-recovery creams, anti-aging serums, and nutrient-dense topical formulas to support skin barrier function and cellular renewal.
Packaging, Storage & Handling
To maintain the highest level of potency and stability, proper handling of the raw material is essential.
- Standard Packaging: 25 kg fiber drums with double polyethylene liners, ensuring protection against moisture and physical damage during transit. Custom packaging sizes are available upon request.
- Storage Recommendations: Store in a cool, dry, and well-ventilated warehouse. Keep containers tightly sealed when not in use. Protect from direct sunlight, heat, and moisture to prevent degradation of the active ingredient.
- Shelf Life: 24 months from the date of manufacture when stored under recommended conditions.
Why Partner with Extract Warehouse?
- Comprehensive Specification Range: From ultra-high potency 40,000,000 IU/g crystals for oil dilutions to water-dispersible CWS powders for dry blending and liquids, we fulfill all industrial manufacturing needs.
- Advanced Stability Data: We provide comprehensive stability testing data under various temperature and humidity conditions to directly support your formulation R&D and regulatory submissions.
- Global Logistics & Regulatory Support: With a proven track record of exporting to over 50 countries, we provide complete documentation packages—including COA, MSDS, TDS, and stability reports—to ensure rapid and compliant market entry.
- Dedicated Technical Support: Our team of formulation experts is available to assist with troubleshooting, dosage recommendations, and custom blending solutions.
Advanced Delivery Systems: Liposomal Vitamin D3 Powder
For brands looking to differentiate their product lines and offer the highest possible absorption rates, Extract Warehouse also offers Liposomal Vitamin D3 Powder. This advanced lipid-based delivery system encapsulates the nutrient in liposomes, effectively bypassing traditional digestive barriers. Industry data indicates this technology can provide 400-600% higher bioavailability compared to standard forms. If your product line requires the cutting edge in nutrient delivery innovation, contact our technical team to discuss custom liposomal solutions.
Frequently Asked Questions (FAQ)
Q: What is the primary difference between Vitamin D2 and Vitamin D3?
A: Clinical research consistently indicates that Vitamin D3 (Cholecalciferol) is significantly more effective at raising and maintaining serum Vitamin D levels in the human body compared to D2 (Ergocalciferol). Consequently, D3 is the preferred and recommended choice for high-quality dietary supplements and fortification.
Q: Is your Vitamin D3 CWS powder truly water-soluble?
A: Our 100,000 IU/g and 500,000 IU/g CWS (Cold Water Dispersible) grades are not strictly water-soluble in the chemical sense, but they are specifically engineered to disperse perfectly and uniformly in cold liquids without oil separation, floating, or sedimentation, making them ideal for beverage applications.
Q: How does Extract Warehouse ensure the stability of such a sensitive vitamin?
A: We employ a proprietary micro-encapsulation process that creates a physical barrier around the Vitamin D3 molecules. Additionally, we incorporate antioxidants (such as mixed tocopherols/Vitamin E) into the matrix to actively shield the D3 from oxidative damage caused by heat, light, and oxygen during processing and storage.
Q: Is your bulk Vitamin D3 powder suitable for vegan formulations?
A: Our standard Vitamin D3 is derived from high-purity lanolin, which is extracted from sheep's wool. While it is a natural and sustainable animal-derived resource, it is not considered strictly vegan. (Note: Vegan Vitamin D3 derived from lichen is available upon special request).
Q: Do you offer liquid-ready or advanced absorption formulations?
A: Absolutely. In addition to our standard powders and crystals, we supply Liposomal Vitamin D3 Powder for brands seeking the ultimate in absorption technology and premium market positioning.
Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Please consult your local regulatory guidelines for permitted uses in dietary supplements and food applications.
Contact Extract Warehouse for Bulk Vitamin D3 Powder
Ready to optimize your formulations with high-stability, premium-grade Vitamin D3 powder? Whether you require bulk crystal for oil suspension or CWS forms for dry blending and beverages, our expert team is ready to provide free samples and comprehensive technical guidance.
For pricing, technical data, and sample requests, please contact our B2B sales team:
Email: [email protected]
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