Cholecalciferol Powder Vitamin D3 100,000 IU/g - 500,000 IU/g Manufacturer

CAS: 67-97-0

MF: C27H44O

MW: 384.64

EINECS: 200-673-2

Specification: 99% min Cholecalciferol Powder

Sample: Cholecalciferol Powder Avaliable

Packaging: 1kg/bag, 25kg/drum

Brand: Ausreson

MOQ: 1 KG

Appearance: White powder

Storage: Store at -20°C

Shelf Life: 2 Years

Test Method: HPLC

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Why Choose Cholecalciferol (D3) Over D2?

While both D2 and D3 are marketed as vitamin D, clinical research consistently shows that Cholecalciferol Powder is superior in raising and maintaining serum 25(OH)D levels.

• Superior Bioavailability: D3 is the form naturally synthesized by human skin when exposed to UV light. It is metabolized more efficiently by the liver than Ergocalciferol (D2).

• Stability in Formulation: Modern cholecalciferol forms (often micro-encapsulated) offer excellent stability against heat, light, and oxidation, making them ideal for long-shelf-life products in competitive markets.

Uses of Cholecalciferol.

• Vitamin D is a fat-soluble vitamin. Known to have vitamin D effect of more than a dozen kinds of compounds, no series of sterol derivatives, which has important practical significance is vitamin D2 and vitamin D3 two.
• The world to D3 is the main, vitamin D "international standard material" is also D3 pure crystallization. The main function of vitamin D is the metabolism of calcium and phosphorus, and it is difficult to promote the absorption of calcium and phosphorus as well as the calcification of bones. When the human body lacks D, the ability to absorb calcium and phosphorus decreases, and the level of calcium and phosphorus in the blood decreases, so that calcium and phosphorus can not be deposited in the bone tissue, and even bone salts will dissolve, hindering the calcification of bones.
• Children get rickets if they lack it, and adults get osteochondrosis. In Japan, the production and use of D2 is high, with 30% of the demand for medicine, 65% for feed additives, and 5% for food additives. According to the "Hygienic Standard for the Use of Food Nutritional Enrichment (1993)" issued by the Ministry of Health of China, D2 and D3 as nutritional supplements can be used in liquid milk, margarine, dairy products and baby food.
• Vitamin D3 acts through a receptor that is a member of a family of ligand-dependent transcription factors that regulate the proliferation and differentiation of normal and cancerous cells, with anti-proliferative and anti-metastatic effects on breast, colon and prostate cancer. Activated VitaminD receptors in the intestine and bone also maintain calcium absorption and homeostasis.
• Vitamin D3 can maintain the normal metabolism of calcium and phosphorus, and promote the body's absorption of calcium and phosphorus. The utilization rate of vitamin D2 and D3 in pigs is equal, but the utilization rate of vitamin D2 in poultry is only 1/40-1/30 of that of D3.
• When vitamin D3 is deficient, eggshells become thin, egg production rate decreases and rickets occurs. Dosage 1000-1500IU/kg.

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Technical Quality Benchmarks for 2026

For the discerning B2B buyer, the "purity" of the powder is the most critical factor. When auditing your supply chain, look for the following:

1. Potency Calibration: High-quality Cholecalciferol Powder typically comes in concentrations like 100,000 IU/g or 500,000 IU/g. Precision in titration is essential for regulatory compliance.

2. Solubility & Dispersibility: In the functional beverage sector, look for cold-water-dispersible (CWD) grades that do not clump or affect the clarity of the final product.

3. Source Transparency: With the rise of "Vegan & Clean Label" trends, sourcing is everything. Ensure your D3 is either sourced from sustainable sheep’s wool lanolin or, increasingly popular, vegan lichen-derived sources to appeal to plant-based demographics

Q: Is there a difference between Cholecalciferol and Vitamin D3?

A: No, they are the same. "Cholecalciferol" is the chemical/pharmacological name, while "Vitamin D3" is the common consumer-facing term.

Q: How do you determine the appropriate concentration for a supplement?

A: This depends on your target market's regulatory limit (e.g., daily dose caps in Germany vs. higher dosage recommendations in the US). Always conduct a stability test in the final delivery format.

Q: Can Cholecalciferol Powder be used in vegan products?

A: Most standard D3 is derived from lanolin. However, there is a rapidly growing market for vegan-certified Cholecalciferol extracted from wild-harvested lichen.

Q: What is the recommended storage condition for this powder?

A: Store in an airtight, light-resistant container in a cool, dry place ($15\text{--}25^\circ\text{C}$). High-quality suppliers often vacuum-pack the powder to prevent oxidation.

About us

Private Label design, fast delivery, USA Warehouse, European Warehouse, capsules factory,Softgels factory,tablets factory, pills factory, Gummies factory, Liquid Drops factory,Gum factory,solid beverage factory, customized factory, capsules manufacturer,Softgels manufacturer, tablets manufacturer, pills manufacturer, Gummies manufacturer, Liquid Drops manufacturer,Gum manufacturer,solid beverage manufacturer, customized manufacturer.

Our advantage

We possess extensive experience, handling every step from sourcing each ingredient in the formulation to post-filling inspection, all at the most competitive prices and with the fastest delivery times.

InterlGroup owns factory, Main Product Foods additives, Nutritional supplements, Healthcare Products(capsules,Softgels,tablets,Gummies,Liquid Drops,Gum,solid beverage and other customized products), plant extracts.

Support OEM&ODM service，Design label packaging, Overseas in stock, Fast customization, Drop Shipping.

Intergroup is supplying OEM service for the Well-known brands Reson and Ausreson.

Alibaba International Station No.1 supplier, Alibaba International Station Number 1, Alibaba International Station Number one.

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