• 6 Quality rank of 20
  • 6 Value rank of 20
  • 85.9 Score overall

Ratings and Key Data

One serving of Nature's Way Vitamin D3 measured 2400 IU of vitamin D3, 20% over its label claim. Due to higher than claimed levels of vitamin D, two servings of this product also exceed the 4000 IU daily Upper Limit (UL) by 20%.

Label Accuracy
Product Purity
Nutritional Value
Ingredient Safety
Projected Efficacy
  • Analytical Tests 9
  • Serving Size 1 Tablet
  • Price/Serving $0.04
  • Vitamin D/Serving 2400 IU (as cholecalciferol/D3)
  • Watchlist Ingredients N/A
  • Purity Tests Pass (heavy metal content below 1 PPM)