Compare vitamin D: D3, dose, servings and price
Compare pure cholecalciferol on a 2,000 IU basis. D2 and combination products are outside this comparator.
💡 What to know
What we compare
Vitamin D3 may be labeled in micrograms or International Units. They are two units for the same quantity. 1 mcg of D3 equals 40 IU, so 50 mcg equals 2,000 IU. Price is normalized to 2,000 IU D3, equal to 50 mcg.
Source: NIH ODS: Vitamin D
Benefits
Vitamin D helps the intestine absorb calcium and phosphorus and maintain appropriate blood levels of these minerals. This supports normal bone mineralization and skeletal strength.
Source: NIH ODS: Vitamin D
Calculation
Price is normalized to 2,000 IU D3, equal to 50 mcg. The calculation uses: labeled D3 per full serving × servings per container. Not included in the price calculation: carrier oil, capsule shell, and added ingredients.
Show formula
package price ÷ total D3 in the package × 2,000 IUThe result shows the cost of the same declared amount of active ingredient using the package price you entered.
Label data: FDA: Dietary Supplement Labeling Guide — Supplement Facts
Convert mcg and IU
Enter a value in mcg or IU. The conversion uses the exact relationship 1 mcg D3 = 40 IU.
1 mcg of vitamin D3 = 40 IU.
Products to compare
Calculation basis: 2,000 IU vitamin D3. Choose 2-3 products and enter package prices.
Vitamin D3Compare pure cholecalciferol on a 2,000 IU basis. D2 and combination products are outside this comparator.Filters and sorting
How the comparison is calculated
Each package price is converted to one basis: 2,000 IU vitamin D3.
Ingredients and package
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