Vitamin D, often called the "sunshine vitamin," is a crucial fat-soluble secosteroid essential for numerous bodily functions. While our bodies can naturally produce Vitamin D3 (cholecalciferol) upon exposure to ultraviolet B (UVB) sunlight, modern lifestyles and geographical factors often lead to widespread deficiency. Alongside Vitamin D3, Vitamin D2 (ergocalciferol) is another vital form, commonly derived from plant-based sources. Both forms play an indispensable role in maintaining optimal health, particularly in mineral metabolism and immune system regulation.

The primary and most widely recognized function of Vitamin D is its critical involvement in calcium and phosphorus absorption and metabolism. It is paramount for strengthening bones and teeth, promoting healthy growth, and preventing debilitating conditions such as rickets in children and osteomalacia and osteoporosis in adults. Beyond skeletal health, emerging research highlights Vitamin D's broader impact, including its influence on immune system modulation, cell proliferation, and cellular differentiation. This makes adequate Vitamin D levels integral to overall well-being and resilience against various health challenges.

Despite its profound importance, Vitamin D deficiency remains a significant global public health concern, affecting over a billion people across all age groups and ethnicities. Key contributing factors include insufficient sun exposure—due to living in high latitudes, air pollution, indoor lifestyles, or cultural dress habits—and inadequate dietary intake. Certain medical conditions, such as kidney and liver failure, inflammatory bowel disease, or obesity, can also impair Vitamin D synthesis or absorption, further exacerbating the deficiency risk. To combat this pervasive issue, food fortification programs and dietary supplements have become essential tools in bridging the nutritional gap.

As a leading manufacturer and supplier of active pharmaceutical ingredients, NINGBO INNO PHARMCHEM CO.,LTD. is dedicated to providing high-quality Vitamin D2 and Vitamin D3 to meet diverse industry needs. Our Vitamin D2 (Ergocalciferol) is supplied in various grades, including pharma grade (40,000,000 IU/g), water-soluble grades (100,000 IU/g, 500,000 IU/g, 1,000,000 IU/g, 1,500,000 IU/g), and oil grades (1,000,000 IU/g to 5,000,000 IU/g). It presents as a white crystalline powder, odorless and tasteless, and is highly soluble in common organic solvents like ethanol, ether, chloroform, and acetone, while being insoluble in water. It is widely applied in preventing conditions related to calcium and phosphorus metabolic imbalances, such as rickets and osteomalacia, and serves as a valuable nutrition additive in the food and animal fodder industries.

Our Vitamin D3 (Cholecalciferol) also adheres to stringent quality standards, available in pharma grade (40,000,000 IU/g), food grade (powder 100,000 IU/g, 500,000 IU/g; oil 1,000,000-4,000,000 IU/g), and feed grade (powder 500,000 IU/g; oil 1,000,000-4,000,000 IU/g). It is a white crystalline powder, odorless and tasteless, promoting intestinal calcium absorption and regulating bone metabolism to prevent conditions like rickets. Both Vitamin D2 and D3 products from NINGBO INNO PHARMCHEM CO.,LTD. are manufactured under strict Good Manufacturing Practice (GMP) guidelines, ensuring exceptional purity and consistency. We maintain rigorous quality control throughout the production process, from sourcing high-quality raw materials to final packaging, guaranteeing product integrity and efficacy. Our standard packaging includes 25kg drums for powders and aluminum tins for oils, with customization options available to meet specific client requirements.

These high-grade vitamins are indispensable for pharmaceutical formulations, enriching dietary supplements, fortifying various food products, and enhancing composite animal feed. By offering a comprehensive range of specifications and applications, NINGBO INNO PHARMCHEM CO.,LTD. aims to be your trusted supplier for bulk purchase of Vitamin D ingredients. Our competitive price and commitment to prompt shipment with professional documentation make us an ideal partner. Whether you are a large-scale pharmaceutical manufacturer seeking reliable bulk supplies or a company looking to buy top-tier Vitamin D for your health products, we provide solutions that support global health and nutrition initiatives.