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LABDOOR SCORE
82.1 of 100
Quality Rank 13 of 20

Value Rank 10 of 20


Ratings and Key Data

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).

Label Accuracy
Product Purity
Nutritional Value
Ingredient Safety
Projected Efficacy
  • Analytical Tests 9
  • Serving Size 1 Tablet
  • Price/Serving $0.04
  • Vitamin D/Serving 1500 IU (as cholecalciferol/D3)
  • Watchlist Ingredients N/A
  • Purity Tests Pass (heavy metal content below 1 PPM)
See Full Report These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.