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Vitamin D3 Powder

Product Name Vitamin D3 Powder
Other Names Cholecalciferol powder, 9,10-Secocholesta-5,7,10(19)-triene-3β-ol powder, Calciol powder
CAS Number 67-97-0
Molecular Formula C27H44O
Molecular Weight 384.65 g/mol
Applications Personal Care, Dietary Supplements, Functional Foods, Animal Nutrition, etc.
Package 1kg,5kg/bag, 25kg/drum


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Vitamin D3 Powder

What Is Vitamin D3?

Cholecalciferol, commonly called Vitamin D3, is a variant of Vitamin D naturally produced by the skin upon exposure to ultraviolet B radiation. Vitamin D3 (cholecalciferol) is recognized as one of the two principal variants of vitamin D, with the other being vitamin D2 (ergocalciferol). Vitamin D3 is widely acknowledged as the superior and more readily absorbable variant of vitamin D.

Vitamin D3 is essential for the maintenance of general health and well-being. One of the fundamental roles of this entity is to aid in the assimilation and application of calcium and phosphorus, which are indispensable for developing robust skeletal structures and dentition. Furthermore, it aids in regulating calcium concentrations in the circulatory system and facilitates appropriate muscular performance.

Apart from its crucial role in maintaining bone health, vitamin D3 has been discovered to possess several other vital functions within the human body. The substance in question participates in the operation of the immune system, facilitates cellular growth and differentiation, and contributes to the mitigation of inflammatory processes. Several studies have indicated the potential advantages of vitamin D3 in mitigating the likelihood of specific ailments, including cardiovascular disease, diabetes, and certain forms of cancer. Nevertheless, additional investigation is required to comprehend these correlations comprehensively.

Although endogenous synthesis of vitamin D3 occurs when the human body is exposed to sunlight, this nutrient can also be acquired through dietary intake. Vitamin D3 can be obtained from organic foods such as omega-3 fatty acids (e.g., salmon and mackerel), egg yolks, and dairy products that have been fortified. Supplements of Vitamin D3 are frequently prescribed to individuals who experience inadequate exposure to sunlight or suffer from medical conditions that impede the absorption of Vitamin D. These supplements are typically available in the form of capsules or tablets.

What Are The 3 Types Of Vitamin D?

Two primary variants of vitamin D exist vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol)—the forms mentioned above exhibit dissimilarities in their chemical composition and origins.

  1. Vitamin D2 (ergocalciferol): Vitamin D2 is derived from plant sources, particularly fungi and yeasts. It is commonly found in foods fortified with vitamin D, such as certain dairy products, cereals, and plant-based milk alternatives. Vitamin D2 can also be obtained through dietary supplements.
  2. Vitamin D3 (cholecalciferol): Vitamin D3 is the naturally occurring form of vitamin D synthesized in the skin following exposure to ultraviolet B radiation. This particular form of vitamin D is known to be highly bioavailable and potent and is derived from cholesterol. Vitamin D3 can be obtained from natural sources such as fatty fish (e.g., salmon, mackerel, and tuna), egg yolks, and cod liver oil. Fortified foods and dietary supplements are alternative sources of obtaining it.
  3. Vitamin D analogs: In addition to vitamin D2 and D3, synthetic vitamin D analogs have been developed for specific medical purposes. These analogs, such as calcitriol and alfacalcidol, have similar actions to vitamin D in the body but may have different pharmacokinetics or specific clinical applications. They are typically used to treat certain medical conditions, such as kidney disorders or hormonal imbalances.

Standard Bulk Vitamin D3 Powder Specifications

Vitamin D3 Powder is available in various purities, depending on the specific manufacturing processes and supplier specifications. Here are some typical purities of Vitamin D3 Powder:

  • Vitamin D3 Cholecalciferol Powder 98%
  • Vitamin D3 Cholecalciferol Powder 99%
AppearanceFine powder
Content≥ 98%
Purity≥ 99%
Particle Size≤ 200 mesh
Other IngredientNone
CertificationsGMP, ISO 9001:2015
SolventNon-solvent extraction
Water Content≤ 5%
Test MethodHPLC, GC, UV-Vis spectrophotometry
MOQ (minimum order quantity)1kg
SampleAvailable (10-20g/bag)
OEM ServiceAvailable, such as capsules, tablets, pills, etc.
ODM ServiceAvailable
Private LabelAvailable
Contract ManufacturingAvailable

What Is The Source Of Vitamin D3 Powder?

Vitamin D3 powder is derived from various natural sources, primarily animal-based. Lanolin, a lipid material present in the wool of sheep, is the principal origin of vitamin D3 powder. Shearing sheep yields lanolin from their wool, which is subsequently subjected to a sequence of procedures to extract and refine vitamin D3.

The process involves exposing lanolin to ultraviolet (UV) light, simulating the sunlight exposure that triggers the natural synthesis of vitamin D3 in human skin. This UV light exposure converts a form of cholesterol in lanolin into pre-vitamin D3, which is further processed to produce pure vitamin D3.

It’s important to note that vitamin D3 derived from lanolin is suitable for vegetarians, as it is not sourced from animals themselves but from a byproduct of their wool production. However, alternative sources of vitamin D3 derived from lichen, a composite organism consisting of fungi and algae, are available for individuals following a vegan lifestyle.

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What are the benefits of Vitamin D3?

Vitamin D3 confers a multitude of advantages and assumes a pivotal function in preserving general health and wellness. Several benefits are associated with vitamin D3, including:

  1. Promotes bone health: Vitamin D3 facilitates the absorption and utilization of calcium and phosphorus, essential for strong bones and teeth. It helps regulate calcium levels in the bloodstream, promotes the mineralization of bones, and reduces the risk of conditions like osteoporosis and fractures.
  2. Supports immune function: Vitamin D3 is essential in adequately operating the immune system. It helps regulate immune cell activity and promotes the production of antimicrobial peptides that help defend the body against infections and diseases. Adequate vitamin D3 levels have been associated with a reduced risk of respiratory infections, autoimmune diseases, and certain types of cancers.
  3. Enhances mood and mental well-being: Some studies have suggested a link between vitamin D3 deficiency and an increased risk of mood disorders such as depression and seasonal affective disorder (SAD). Adequate levels of vitamin D3 are believed to positively influence serotonin levels in the brain, which can improve mood and reduce the risk of depression.
  4. Supports cardiovascular health: Vitamin D3 may have beneficial effects on cardiovascular health. According to existing research, adequate levels of vitamin D3 are linked to a decreased likelihood of hypertension, enhanced blood vessel functionality, and a diminished risk of cardiovascular ailments such as stroke and heart disease.
  5. Supports musculoskeletal health: Vitamin D3 is essential for muscle function besides promoting bone health. Regular physical exercise can enhance muscle strength, coordination, and balance, thereby mitigating the likelihood of falls and fractures, particularly among older people.
  6. Potential anti-inflammatory effects: Vitamin D3 has been shown to have anti-inflammatory properties and may help regulate the body’s inflammatory response. Inflammation that persists has been scientifically linked to various health illnesses, including autoimmune conditions, diabetes, and particular forms of cancer. Optimal levels of vitamin D3 have been suggested to have a potential role in regulating inflammation and promoting improved overall health.

Where can I buy bulk D3 Cholecalciferol Powder online?

Nutri Avenue is your ultimate destination for buying bulk Vitamin D3 Powder online! With an extensive selection of high-quality Vitamin D3 Cholecalciferol Powder, Nutri Avenue ensures you can meet your needs effortlessly. Enjoy the convenience of bulk purchases, unbeatable prices, and prompt delivery. Elevate your wellness journey with Nutri Avenue today!

What Is VD3 Powder Manufacturing Process?

Cholecalciferol, commonly called Vitamin D3, is a fat-soluble vitamin that can be synthesized through various industrial procedures. A widely employed technique entails isolating and refining vitamin D3 from lanolin, a material sourced from the fleece of ovine animals. The following is a comprehensive outline of the manufacturing procedure for vitamin D3 powder:

Vitamin D3 powder manufacturing process


Vitamin D3 is available in different forms, including powder and oil. Both conditions can be used for supplementation, but their choice may depend on personal preference and specific product availability.

Calcitriol is the most bioavailable and metabolically active form of vitamin D within the human body, as it is the converted and activated variant of the vitamin. Either vitamin D2 or D3 is the precursor for its production in the kidneys.

Vitamin D has two forms: vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol). Vitamin D2 is sourced from botanical origins, whereas vitamin D3 is predominantly from animal-derived origins.

Vitamin D is a general term encompassing both vitamin D2 and D3. Vitamin D2 is primarily obtained from plant sources, while vitamin D3 is obtained mainly from animal-based sources and is considered the more potent and bioavailable form.

The FDA has classified Vitamin D3 as GRAS. It is commonly utilized as a nutritional adjunct and can be obtained without a prescription through non-prescription means. Nonetheless, specific commodities and compositions may undergo evaluation and authorization by the FDA for particular medical assertions or circumstances. It is imperative to select reputable brands and adhere to appropriate dosage instructions when utilizing vitamin D3 supplements.

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