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Vitamin D3 Recommended Dosage

General guidelines for the daily intake of vitamin D3 (in international units, IU) are as follows: General Recommended Daily Intake (RDI) by Age and Group: Infants (0-12 months): 400 IU Children (1-18 years): 600 IU Adults (19-70 years): 600 IU … Read More

How is Vitamin D3 Absorbed

Vitamin D3 (cholecalciferol) is absorbed and utilized by the body through a multi-step process that involves the skin, digestive system, liver, and kidneys. Here’s a breakdown of how vitamin D3 is absorbed and processed: Synthesis in the Skin (from Sunlight) … Read More

Why Vitamin D3 vs D2

Vitamin D3 (cholecalciferol) is generally considered better than Vitamin D2 (ergocalciferol) for several reasons: Better Absorption and Effectiveness: Vitamin D3 is more effective at raising and maintaining overall vitamin D levels in the bloodstream. Studies show that Vitamin D3 is … Read More