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Vitamin D3, also known as cholecalciferol, is a fat-soluble vitamin that is essential for maintaining healthy bones and immune function. It is typically derived from animal sources such as fish liver oil or lanolin, which is extracted from sheep's wool. Vitamin D3 works by promoting the absorption of calcium and phosphorus in the body, crucial for bone health and overall metabolic functions.
| Form | Powder or oil |
| Purity | Typically 95% or higher |
| Solubility | Fat-soluble |
| Storage conditions | Cool, dry place, away from light |
| Shelf life | 2 to 3 years when stored properly |
When purchasing Vitamin D3, buyers should consider the form of the ingredient, whether in powder or oil, and the desired purity level. It is also important to specify any necessary certifications, such as GMP or organic, depending on the intended use. Additionally, buyers should clarify the quantities required to ensure they meet production needs and any specific formulations they may have.
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Vitamin D3 is derived from animal sources and is more effective at raising blood levels of Vitamin D compared to D2, which is plant-based.
Vitamin D3 supports bone health, immune function, and may help in mood regulation.
Yes, Vitamin D3 can be taken with most supplements, but it's advisable to consult a healthcare professional.
The recommended daily allowance varies by age and health status, but generally ranges from 400 to 800 IU.
Vitamin D3 should be stored in a cool, dry place, away from direct sunlight to maintain its potency.
Vitamin D3 typically has a shelf life of 2 to 3 years when stored properly.