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.

Ready to Get Started?

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.

FAQs

Can you produce custom Vitamin D3 powder potencies?

We specialize in developing custom formulations, including high-potency options up to 1,000,000 IU/g. Discuss your specific potency requirements with our technical team.

Are your Vitamin D3 ingredients suitable for global markets?

Our manufacturing facilities maintain certifications supporting market access across North America, Europe, Asia, and other key regions. We provide comprehensive documentation for regulatory submissions.

Is your lanolin-derived Vitamin D3 suitable for vegetarian products?

While our Vitamin D3 powder is derived from lanolin (a wool derivative), it may not meet the requirements of strict vegan formulations. However, it is suitable for most other dietary preferences and is widely accepted in the global supplement market.

Why choose your company as a Vitamin D3 manufacturer?

We differentiate through exceptional quality control, competitive bulk pricing, technical expertise, and reliable global logistics - making us a true strategic partner rather than just a supplier.

GET A QUOTE

Quotation Request: Cholecalciferol (Vitamin D3) Powder

Inquiry Form