Immune System

D3 Serum offers 3,000 IU per serving (3 drops) of natural-source Vitamin D3 as a fat-soluble liquid in a base of extra virgin olive oil. 

In the EU, the maximum permitted daily dose of vitamin D is set at 3,000 IU (75 µg).

Please note: the dose of 75 µg of Vitamin D is not suitable for children up to and including 10 years of age.