Vitamin · Supplement ingredient
Vitamin D
Vitamin D is listed on 13,343 U.S. supplement product labels in the NIH DSLD, #17 of 4,614 by label frequency.
- 13,343
- Products
- #17 of 4,614
- By frequency
- NIH
- Dosing fact sheet
Vitamin D dosing reference
NIH ODS Fact Sheet →- Recommended Dietary Allowance (RDA / AI)
- 600 IU (15 mcg) for adults 19–70; 800 IU (20 mcg) for adults 71+
- Tolerable Upper Intake Level (UL)
- 4,000 IU (100 mcg) per day for adults
- Unit conversion
- 1 mcg = 40 IU vitamin D. The FDA Daily Value uses mcg (since 2020); older labels use IU.
- Drug interactions
- May interact with corticosteroids, weight-loss drug orlistat, statins, thiazide diuretics. Talk to your provider if you take any prescription medication.
- Pregnancy & lactation
- RDA during pregnancy and lactation is 600 IU (15 mcg) per day; UL remains 4,000 IU.
Statement required by FDA: These statements have not been evaluated by the Food and Drug Administration. Dietary supplements are not intended to diagnose, treat, cure, or prevent any disease. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.
Source: https://ods.od.nih.gov/factsheets/VitaminD-HealthProfessional/
How common is Vitamin D?
Number of supplement labels listing Vitamin D vs nearby vitamin ingredients
- Vitamin C
Vitamin C
19,514 products
- Vitamin E
Vitamin E
13,826 products
- Vitamin D
Vitamin D
13,343 products
- Vitamin B12
Vitamin B12
11,614 products
- Vitamin B6
Vitamin B6
10,881 products
- Vitamin A
Vitamin A
9,395 products
Products containing Vitamin D
Nearby Ingredients in Vitamin
Other ingredients in the Vitamin category cataloged in the NIH DSLD. Useful for comparing how common different nutrients are across the US supplement market.
Nationwide ingredients with similar DSLD presence
Two peer sets for Vitamin D: closest on total DSLD label listings (13,343 here) and closest on distinct brands that list it (1,611 here). Peers exclude the same DSLD category, and rows stay link-disjoint so each axis is a distinct neighborhood.
Similar label frequency
Nearest other ingredients by distinct DSLD product labels (floored at ≥50), outside this category.
Similar brand breadth
Nearest other ingredients by distinct brands listing them (floored at ≥100 brands), distinct from the label-frequency row.
Frequently asked about Vitamin D
What is the Recommended Dietary Allowance (RDA) for Vitamin D? ▼
Is there an upper limit for Vitamin D? ▼
How are Vitamin D units measured? ▼
Does Vitamin D interact with medications? ▼
What about Vitamin D during pregnancy or breastfeeding? ▼
How many supplement products contain Vitamin D? ▼
Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD) · Dosing reference: NIH ODS Vitamin D Health Professional Fact Sheet. Regulatory reference: Source: Dietary Supplement Health and Education Act (DSHEA), 1994, 21 U.S.C. § 321(ff).
Disclaimer, Not Medical Advice: Information on this page is based on manufacturer-declared label data and is provided for educational and reference purposes only. It does not constitute medical, nutritional, or health advice. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.
Read our methodology , how this data is sourced, computed, and verified.
Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. Ingredient figures are computed directly from the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.