LANDNUTRA Vitamin D3 Bulk Powder is a premium, high-purity cholecalciferol ingredient engineered for the global dietary supplement, functional food, and pharmaceutical industries. Manufactured under strict cGMP guidelines and compliant with USP/EP standards, our Vitamin D3 powder delivers exceptional stability, precise potency, and excellent flowability across all major delivery formats - tablets, capsules, softgels, beverages, and powdered mixes.
Available in multiple carrier systems including cold-water dispersible (CWS), oil-soluble beadlets, and crystalline grades, our D3 powder offers formulators the flexibility to meet diverse application requirements. With full supply chain traceability, comprehensive documentation (COA, MSDS, DMF), and rigorous quality control from raw material to finished product, LANDNUTRA ensures that every batch delivers consistent performance. Our in-house manufacturing capabilities and responsive technical support make us a trusted partner for brands entering international markets.
Available Forms & Potencies
Flexible Solutions for Every Manufacturing Process
We provide versatile Vitamin D3 grades to suit your specific formulation requirements and production workflows.
Spray-Dried Powder (Water-Dispersible / CWS)
Vitamin D3 microencapsulated on carriers like maltodextrin or modified starch. Standard potencies: 100,000 IU/g, 200,000 IU/g, 500,000 IU/g. Ideal for powdered drinks, instant foods, and dry blends.
01
Oil-Soluble Beadlets / Powder
Vitamin D3 in a stable oil matrix with protective coating. Standard potencies: 100,000 IU/g, 500,000 IU/g. Perfect for softgel capsules, oil-based supplements, and fat-rich functional foods.
02
Crystalline Vitamin D3 (High-Purity Grade)
Maximum purity grade reaching up to 40 million IU/g. Designed for specialized pharmaceutical applications and precision formulations requiring the highest concentration with minimal carrier material.
03
Custom Potency & Premix Blends
Tailored concentrations and custom premixes with synergistic nutrients (Calcium, Vitamin K2, Magnesium) available upon request. We develop proprietary blends to meet your brand's unique positioning.
04
Key Characteristics
High Purity & Precise Potency: Assay guaranteed between 97.0%–103.0% with every IU accounted for. Batch-to-batch consistency you can rely on.
Enhanced Stability: Microencapsulation technology protects against light, heat, and oxidation. Extended shelf life with minimal potency loss under recommended storage conditions.
Excellent Flowability & Homogeneity: Free-flowing powder ensures precise dosing, uniform blending, and trouble-free processing in high-speed tableting and encapsulation equipment.
Superior Bioavailability: The cholecalciferol form is biologically active and readily utilized by the human body - preferred by formulators for proven efficacy in clinical and nutritional applications.
Compliant & Fully Traceable: Backed by complete documentation including DMF, COA, stability data, and third-party test reports. Full supply chain transparency from raw material to finished powder.
COA (Certificate of Analysis)
|
Test Item |
Specification |
Typical Result |
Test Method |
|
Appearance |
White to light yellow fine powder |
Conforms |
Visual |
|
Assay (Vitamin D3) |
97.0% – 103.0% |
99.5% |
HPLC |
|
Potency |
90,000 – 110,000 IU/g |
100,500 IU/g |
Biological Activity Calc. |
|
Loss on Drying |
≤ 5.0% |
3.2% |
Karl Fischer |
|
Particle Size (80 mesh) |
≥ 95% |
98% |
Sieve Analysis |
|
Heavy Metals (as Pb) |
≤ 10 ppm |
< 5 ppm |
ICP-MS |
|
Total Plate Count |
≤ 1,000 cfu/g |
< 100 cfu/g |
USP <61> |
|
Yeast & Mold |
≤ 100 cfu/g |
< 10 cfu/g |
USP <61> |
|
E. coli |
Negative |
Negative |
USP <62> |
Manufacturing Introduction
Production Process: UV Irradiation of 7-Dehydrocholesterol → Thermal Isomerization → Purification & Crystallization → Microencapsulation (for CWS grades) → Dilution & Standardization to Final Potency → Quality Control Testing → Packaging.
Every step is conducted in cGMP-certified facilities with in-process controls and final batch release testing to ensure compliance with USP/EP and international regulatory standards.
Health Benefits & Functions
Bone Health & Calcium Metabolism
Promotes efficient calcium absorption and supports normal bone mineralization, making it essential for bone density maintenance across all life stages - from childhood development to senior nutrition.
01
Immune System Support
Contributes to the normal function of immune cells, supporting the body's natural defense mechanisms and maintaining overall immune resilience.
02
Muscle Function & Neuromuscular Coordination
Supports muscle strength and neuromuscular coordination - particularly relevant for active-aging formulations, sports nutrition, and functional wellness products.
03
Cellular Health & Mood Balance
Plays a role in cellular differentiation and neurotransmitter regulation, supporting overall well-being and mood balance - a valuable addition to comprehensive wellness blends.
04
Daily Nutritional Support
An ideal ingredient for modern lifestyles with limited sun exposure, addressing the growing consumer demand for convenient, science-backed daily nutrition in functional foods and supplements.
05
Product Applications
Dietary Supplements
Tablets, capsules, softgels, sachets, and powder blends for bone health, immune support, and daily wellness formulations across all consumer demographics.
Functional Foods & Beverages
Fortified dairy products, plant-based milks, ready-to-drink shakes, meal replacements, nutrition bars, and instant beverage powders with clean-label compatibility.
Infant & Maternal Nutrition
Essential fortification in infant formula, follow-on formulas, and prenatal/postnatal supplements to support healthy development during critical growth windows.
Premixes & Large-Scale Fortification
Custom vitamin D3 premixes with calcium, vitamin K2, and other micronutrients for population-level nutrition programs and industrial food fortification.
Other Customizable Products
We offer comprehensive OEM/ODM and custom blending services to support your product development needs:
Vitamin D3 + Calcium Combination Powder - Synergistic bone health blends for supplements and functional foods.
Vitamin D3 + K2 (MK-7) Synergistic Blends - Targeted cardiovascular and bone health formulations.
Custom Vitamin & Mineral Premixes - Tailored nutrient combinations for specific market and application requirements.
Private Label Capsules, Tablets & Softgels - Turnkey finished product solutions from formulation to packaging.
Vegan / Plant-Based Vitamin D3 (Lichen-Derived) - 100% plant-based alternative for vegetarian and vegan product lines.
Why Choose Our Vitamin D3 Bulk Powder?
Company Strength
Our cGMP-certified, vertically integrated facilities enable full control over every production step - from raw material sourcing to final packaging. We deliver not just purity, but predictable, batch-to-batch consistency that brands can trust.
Product Advantage
Reliable potency, excellent dispersion, and extended shelf life. We back every shipment with real-time technical support: formulation guidance, stability data, and complete documentation (DMF, COA, TDS) that simplifies regulatory compliance.
Export Certificates & Regulatory Support
We hold internationally recognized certifications with complete compliance documentation, positioning LANDNUTRA as a premier ingredient partner for global market entry.
Certifications: cGMP · ISO 22000 · FDA Facility Registration · Halal · Kosher · Non-GMO Statement · Full Third-Party Analysis Reports (SGS, etc.)
Reach out for:
✓ Free 100g sample (specify your potency and carrier requirement)
✓ Batch-specific COA & third-party test results
✓ Formulation and delivery system guidance
✓ Regulatory compliance support for your target markets
Contact: wangjing@landnutra.com | +86 18092657549 (WhatsApp)
FAQ
Q: Is this Vitamin D2 or D3?
A: This is Vitamin D3 (cholecalciferol) - scientifically proven to be more bioavailable and longer-acting than D2. It is the preferred form for formulators seeking reliable efficacy and clinical validation.
Q: What is the shelf life and recommended storage?
A: Our Vitamin D3 powder has a shelf life of 24 months when stored in a cool, dry place away from direct light and heat. Microencapsulated grades offer enhanced stability under ambient conditions.
Q: Is it vegan or vegetarian-friendly?
A: Our standard D3 is derived from lanolin (sheep's wool) - suitable for vegetarian formulations. For vegan products, we offer plant-based D3 sourced from lichen. Please specify your preference when ordering.
Q: What applications is Vitamin D3 Bulk Powder best suited for?
A: It is ideal for fortifying dietary supplements, functional foods, and beverages to support bone health, calcium absorption, and immune function. Available in multiple carrier systems to suit your specific manufacturing process.
Q: Do you offer custom potencies and blends?
A: Yes. We offer custom potencies ranging from standard 100,000 IU/g to high-concentration crystalline grades. We also develop custom premixes with calcium, vitamin K2, and other nutrients to meet your brand's specific formulation needs.
Worldwide Delivery, Arranged for You
We deliver our ingredients to customers across global markets, choosing the most suitable shipping solution for every order and providing complete documentation along the way. Every delivery is handled end to end, with our team staying with the shipment until it reaches you.
Global Presence Through Industry Events
We regularly take part in international industry exhibitions to meet partners, share expertise and stay close to market trends. Details of our upcoming events are available on request.
Partnerships Built on Results
We work with brands and manufacturers across different markets and categories, supporting them from sample stage to commercial supply. Specific references and case details are shared directly with qualified customers upon request.
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