Vitamin D3
<B>function</B> | <B> recommended daily allowance</B> | <B>Available in</B> |
Vitamin D3 is a fat-soluble vitamin that is required for calcium absorption and its release for bone formation. It can be manufactured by the body with adequate exposure to sunlight | 20 mcg (if insufficient production by the body – DGE guidelines) | cod liver oil and fatty fish |
<B>Signs of deficiency</B> | <B>Main function/organ support</B> | <B>Dosage in orthomolecular medicine</B> |
Deficiency in children can lead to rickets (bone deformity) and similar bone diseases in adults | Protects against osteoporosis, supports mucosal membrane function, prevention of periodontitis | Up to 500 mcg/day, depending on what it is being used for |