One serving of Natural Factors Vitamin D3 measured 1500 IU of vitamin D3, 50% over its label claim. While this exceeded the 600 IU Recommended Dietary Allowance (RDA), it did not near the 4000 IU Upper Limit (UL).
|Serving Size||1 Tablet|
|Vitamin D/Serving||1500 IU (as cholecalciferol/D3)|
|Purity Tests||Pass (heavy metal content below 1 PPM)|