Introducing Premier Research Labs' D3 Serum. D3 Serum offers 5,000 IU per serving of natural-source Vitamin D3 as a fat-soluble liquid in a base of extra virgin olive oil. No artificial flavors or colorings, no added magnesium stearate or other undesirable chemical agents.
5,000 IU vitamin D3 per dose
Natural source vitamin D3 (not synthetic)
In a fat-soluble base (extra virgin olive oil) for better absorption
