
Cholecalciferol (Vitamin D3) Powder
| Product Name | Vitamin D3 Powder (100,000 IU/g) |
| Other Names | Cholecalciferol, Vitamin D3, Colecalciferol |
| CAS Number | 67-97-0 |
| Molecular Formula | C27H44O |
| Molecular Weight | 384.65 g/mol |
| Packages | 1kg,5kg/bag, 25kg/drum |
Cholecalciferol (Vitamin D3) Powder: Premium Bulk Raw Material Supplier
As a trusted bulk Cholecalciferol powder manufacturer, we deliver high-purity Vitamin D3 raw material that meets the stringent requirements of global nutraceutical and food brands. Our product combines exceptional bioavailability with manufacturing excellence, ensuring consistent performance in your formulations. Request a complimentary sample and detailed technical documentation to experience why we're the preferred partner for industry leaders.
What is Cholecalciferol (Vitamin D3) Powder
Cholecalciferol, scientifically known as Vitamin D3, represents the most bioavailable precursor to the physiologically active form of Vitamin D. Our Cholecalciferol powder undergoes advanced microencapsulation technology, creating a stable, free-flowing ingredient ideal for industrial-scale production. This essential raw material for dietary supplements guarantees precise dosing and optimal stability in finished products. Contact us for volume pricing and formulation support.
Sources of Vitamin D3: From Nature to Industrial Supply
Understanding the origins of Vitamin D3 is key to appreciating the reliability of our bulk ingredient. While nature provides pathways for D3 synthesis, they fall short in meeting the demands of global nutrition brands. This gap is precisely where our high-purity, industrially produced Cholecalciferol powder delivers indispensable value.
Natural Sources and Their Limitations
In nature, Vitamin D3 is obtained through two primary routes:
- Sunlight Synthesis: The most significant natural source is the synthesis of Vitamin D3 in human skin upon exposure to UVB sunlight. However, this process is unreliable, varying drastically with geography, season, skin tone, and modern indoor lifestyles.
- Animal-Based Foods: Dietary sources are limited and typically low in potency. These include oily fish (like salmon and mackerel), egg yolks, beef liver, and dairy fat. While valuable in a balanced diet, the low and variable concentrations of natural food-sourced D3 make it impossible to meet the large-scale, standardized demand for nutraceutical and food fortification—this is where industrial production becomes indispensable.
The Industrial-Grade Source for Reliable Supply
For the bulk Vitamin D3 raw material required by the global health industry, a consistent, scalable, and high-quality source is essential. Our Vitamin D3 powder is sustainably sourced from lanolin, a natural wax obtained from sheep's wool.
This well-established and optimized sourcing strategy ensures a consistent, high-quality, and scalable supply of Cholecalciferol, making it the unequivocal choice for bulk suppliers and manufacturers worldwide. The result is a premium Vitamin D3 raw material that is suitable for a wide spectrum of dietary supplements and functional food fortification, aligning with global regulatory standards.
The Efficacy & Mechanism of Vitamin D3
Cholecalciferol serves as the essential precursor that undergoes metabolic activation in the liver and kidneys to form the biologically active vitamin D hormone. This activated form regulates calcium and phosphorus metabolism, playing a fundamental role in maintaining bone mineral density and skeletal health. Beyond its classical functions, extensive research confirms its critical involvement in immune modulation, muscle function, and cellular processes. As your dedicated Vitamin D3 bulk supplier, we provide the foundational ingredient that enables your products to deliver these evidence-based health benefits.
Vitamin D3 vs D2: Critical Differences
Understanding the distinction between Vitamin D3 (cholecalciferol) and D2 (ergocalciferol) is crucial for formulation success. Vitamin D3 demonstrates significantly higher bioavailability and more effective conversion to the active form compared to Vitamin D2. Clinical evidence consistently shows that Cholecalciferol is more effective at raising and maintaining serum 25-hydroxyvitamin D levels, making it the preferred choice for modern supplement development and clinical applications.
Product Specifications: Cholecalciferol (Vitamin D3) Powder
For B2B partners requiring detailed technical documentation. A comprehensive, batch-specific Certificate of Analysis (COA) will be provided promptly upon request.
| Parameter | Specification | Test Method |
|---|---|---|
| Identity | ||
| Product Name | Cholecalciferol Powder | - |
| CAS No. | 67-97-0 | - |
| Appearance | White to off-white free-flowing powder | Visual Inspection |
| Key Specifications | ||
| Assay (Potency) | 100,000 IU/g ± 10% | HPLC |
| Loss on Drying | ≤ 5.0% | USP <731> |
| Mesh Size | 100% through 80 mesh | USP <786> |
| Solubility | Soluble in oils, insoluble in water | EP 2.9.12 |
| Safety & Quality | ||
| Heavy Metals | ||
| - Lead (Pb) | ≤ 3.0 mg/kg | USP <223> |
| - Arsenic (As) | ≤ 3.0 mg/kg | USP <223> |
| - Cadmium (Cd) | ≤ 1.0 mg/kg | ICP-MS |
| - Mercury (Hg) | ≤ 0.1 mg/kg | ICP-MS |
| Total Plate Count | ≤ 1000 CFU/g | USP <61> |
| Yeast & Mold | ≤ 100 CFU/g | USP <61> |
| E. Coli | Negative | USP <62> |
| Salmonella | Negative | USP <62> |
| Certifications | ISO 9001, GMP (Certificates available upon request) | Audit Certification |
Note: The specifications above define our standard Cholecalciferol Powder product profile. We also provide customization options—including different potency levels (50,000 IU/g to 1,000,000 IU/g) and particle size distributions—to meet specific formulation requirements. Contact us to request the full Certificate of Analysis (COA) for detailed, batch-specific data and supporting compliance documentation.
Packaging, Services & Inquiry
- Minimum Order Quantity (MOQ): 1 kg
- Free Sample: Available (10-20g/bag) for qualified businesses.
- Custom Services: Full support for OEM, ODM, Private Label, and Contract Manufacturing.
- Standard Packaging: 1 kg/bag, 25 kg/drum. Custom packaging available.
- Shelf Life: 24 months in a cool, dry place away from light.
Request a Free Sample & Full Datasheet | Get a Quote for Bulk Order
Safety Profile & Side Effects
When incorporated as a raw material within established safety guidelines, Vitamin D3 powder demonstrates an excellent safety profile. The risk of adverse effects is minimized through proper formulation and dosing in finished products. Our commitment as your GMP-certified manufacturer is to deliver pure, precisely labeled material that supports your development of safe, effective consumer products.
