Product Introduction
Vitamin D2 Powder is also known as ergosterol or calciferol. They are mainly found in vegetable oils or yeast ergosterol solids. VD2 is a colorless or white crystal, odorless, and its melting point is 115~118℃. Insoluble in water, soluble in alcohol, ether, acetone, and slightly soluble in vegetable oil. Unstable in air and sunlight, easily inactivated in moist air. Its main function is to maintain the normal metabolism of calcium and phosphorus, promote the deposition of calcium and phosphorus into bones and tissues, and can be used for the prevention and treatment of metabolic bone diseases. Such as rickets and osteomalacia.
Vitamin D deficiency reduces intestinal absorption of calcium, causing the breakdown of calcium and phosphorus in bones.
Excessive absorption of vitamin D can cause hypercalcemia, allowing excess calcium to deposit in the heart, blood vessels, joints, pericardium, or intestinal walls, leading to heart failure, joint stiffness, or intestinal disease.
Vitamin D2 Dosage
Vitamin D2 powder can maintain the normal metabolism of calcium and phosphorus; promote the absorption of calcium and phosphorus in the small intestine, and maintain the normal ratio of calcium and phosphorus in the blood. Insufficient intake can lead to rickets, osteomalacia, etc.
The dosage that can be used for fortified margarine is 125~156ug/kg;
The dosage used in fortified dairy products is 63-125ug/kg;
The dosage used in fortified infant food is 50~100ug/kg;
The dosage used in fortified milk and milk beverages is 10-40ug/kg;
The maximum usage in fortified solid beverages and ice cream is 10-20ug/kg.
It is usually used in combination with vitamin A in food.
Our Certificates
We have passed SC certificate, ISO9001, IQNET9001, ISO22000, IQNET22000, CQC22000,Halal, and Kosher certificates, also we have gotten FSSC22000 and GMP.

Why Choose Us?
1. Our company now has two factories, with a 100,000-grade purification workshop and a GMP standard factory with a 400-square-meter finishing workshop.
2. Our company has a complete range of certificates, including Halal, Kosher, SC, ISO9001, IQNET22000, IQNET9001, FSSC22000, CQC22000, GMP, and ISO22000 certificates.
3. We have a professional team to provide you with perfect after-sales service.
4. We have our own professional laboratory, which can provide you with all kinds of tests.
5. Customized production according to customer's product quality and price.
Our Company
Xi 'an DN Biological Co., LTD(Qyherb) is a high-technology company with 15 years produce experience, which is devoting ourselves on extraction of effective ingredient from natural Chinese herbal medicines, and natural plants are applying on food, function food, dietary complement, cosmetics, health products and so on filed. We make efforts to become the best function food solution provider in the world.

We are committed to providing the best product solutions. If you’d like to buy Vitamin D2 Powder, please contact us at info@dnbiology.com. Products in various specifications, or customized according to customer needs.
Why choose us?
- We are constantly researching and developing new Vitamin products to meet the evolving needs of our customers.
- Our company has been committed to the research and development and innovation of green and environmentally friendly products.
- Our well-trained staff ensures fast, efficient service for our customers.
- Adhering to the tenet of 'quality first, reputation first, service first', we have won the recognition and praise of our customers.
- Our Vitamin products are packaged and delivered securely to ensure they arrive in perfect condition.
- Our company has always insisted on providing convenience to customers with high-quality products, reasonable prices, and fast and thoughtful services, so it is deeply trusted and supported by customers at home and abroad and in various industries. With the world's advanced industrial production equipment, automation machinery, and testing equipment, we are committed to providing Vitamin D2 Powder and technical support to customers in many industries.
- We are committed to producing Vitamin products that are both effective and affordable.
- We adhere to the new system, efficient management, excellent technology, excellent quality to provide customers with satisfactory service.
- Our Vitamin products are manufactured in accordance with the highest standards of quality and safety.
- We always encourage our employees to experiment and innovate.
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