Premier Research Labs D3 Serum

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High Potency Vitamin D3 (Natural Source)

  • 5,000 IU vitamin D3 per dose
  • Nature-sourced vitamin D3 (not synthetic) in a fat-soluble base for better absorption*
  • No artificial colors or flavors, no added magnesium stearate
  • Promotes bone growth and mineralization, absorption of calcium*
  • Supports cardiovascular and immune system health*

Recommended Usage: Take 5 drops daily or as directed.


Serving Size 5 Drops (0.11 mL)
Servings Per Container about 114

Vitamin D3 125 mcg (5,000 IU)

Other Ingredients: Extra Virgin Olive Oil, D-Alpha Tocopherol (preservative)


*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.