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Mineral · Supplement ingredient

Iodine

Iodine is listed on 5,915 U.S. supplement product labels in the NIH DSLD, #47 of 4,614 by label frequency.

5,915
Products
#47 of 4,614
By frequency
NIH
Dosing fact sheet

Iodine dosing reference

NIH ODS Fact Sheet →
Recommended Dietary Allowance (RDA / AI)
150 mcg for adults
Tolerable Upper Intake Level (UL)
1,100 mcg per day for adults
Drug interactions
May interact with antithyroid drugs and lithium. Consult your provider if you have thyroid disease.
Pregnancy & lactation
RDA during pregnancy is 220 mcg; lactation 290 mcg. Adequate iodine is essential for fetal brain development.

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/Iodine-HealthProfessional/

How common is Iodine?

Number of supplement labels listing Iodine vs nearby mineral ingredients

products
Source NIH Dietary Supplement Label Database (DSLD) As of 2026

Products containing Iodine

Iodine 1,500 mcg
Dr. Mercola
3 ingredients · Mineral
On Market
Iodine 150 mcg
Wonder Laboratories
6 ingredients · Mineral
On Market
Iodine 250 mcg
Divine Bounty
3 ingredients · Mineral
On Market
Iodine 325 mcg
Nutricost
7 ingredients · Mineral
On Market
Iodine 500 mcg
Solaray
5 ingredients · Mineral
On Market
Iodine 500 mcg
Solaray
4 ingredients · Mineral
On Market
Iodine Complex 12.5 mg
ProThera
7 ingredients · Mineral
On Market
Iodine Complex 12.5 mg
ProThera
7 ingredients · Mineral
On Market
Iodine Complex 6.25 mg
ProThera
7 ingredients · Mineral
On Market
Iodine Concentrate
Complete H2O Minerals
7 ingredients · Mineral
On Market
Iodine Concentrate
Complete H2O Minerals
4 ingredients · Mineral
On Market
Iodine from Kelp
Whole Foods Market
7 ingredients · Mineral
On Market
Iodine from Kelp 150 mcg
Wonder Laboratories
6 ingredients · Mineral
On Market
Iodine from Organic Seaweed 650 mcg
Dr. Mercola
7 ingredients · Mineral
On Market
Iodine from Sea Kelp 150 mcg
Wonder Laboratories
6 ingredients · Mineral
On Market
Iodine from Sea Kelp 150 mcg
Wonder Laboratories
6 ingredients · Mineral
On Market
Iodine from Sea Kelp 150 mcg
Wonder Laboratories
6 ingredients · Mineral
On Market
Iodine Liquid Drops Unflavored
NutraChamps
2 ingredients · Mineral
On Market
Iodine Plus-2
Natural Living
11 ingredients · Other Combinations
On Market
Iodine Rescue
Nutri-West
8 ingredients · Mineral
On Market
Iodine Synergy
Designs for Health
4 ingredients · Mineral
On Market
Iodine Tablets (from Sea Kelp) 150 mcg
Foster Regal
6 ingredients · Mineral
On Market
Iodine-HP 12.5 mg
Adaptogen Research
6 ingredients · Mineral
On Market
Iodine-HP 12.5 mg
Adaptogen Research
6 ingredients · Mineral
On Market
Iodine-HP 12.5 mg
Adaptogen Research
7 ingredients · Mineral
On Market
Iodoral IOD - 12.5
Optimox
7 ingredients · Mineral
On Market
Iodoral IOD - 12.5
Optimox
7 ingredients · Mineral
On Market
Iodoral IOD - 50
Optimox Corporation
7 ingredients · Mineral
On Market
Iodoral IOD - 50
Optimox Corporation
7 ingredients · Mineral
On Market
Iodoral IOD - 50
Optimox
7 ingredients · Mineral
On Market
Iodoral IOD - 50
Optimox
7 ingredients · Mineral
On Market
Iodoral IOD - 50
Optimox
7 ingredients · Mineral
On Market
Iodoral IOD - 50
Optimox
7 ingredients · Mineral
On Market
Iodoral IOD - 50
Optimox
7 ingredients · Mineral
On Market
Iodoral IOD - 50
Optimox
11 ingredients · Mineral
On Market
Iodoral IOD 12.5
Optimox
7 ingredients · Mineral
On Market
Iodoral IOD 12.5
Optimox
7 ingredients · Mineral
On Market
Iodoral IOD 12.5
Optimox
7 ingredients · Mineral
On Market
Iodoral IOD 12.5
Optimox
11 ingredients · Mineral
On Market
Iodoral IOD 6.25
Optimox
7 ingredients · Mineral
On Market
Iodoral IOD 6.25
Optimox
4 ingredients · Mineral
On Market
Iodoral IOD 6.25
Optimox
11 ingredients · Mineral
On Market
Ionic Iodine 150 PPM
Good State
3 ingredients · Mineral
On Market
Ionic Iodine 300 ppm
Good State
4 ingredients · Mineral
On Market
Ionic Iodine 500 PPM
Good State
5 ingredients · Mineral
On Market
Ionic Iodine 500 PPM
Good State
5 ingredients · Mineral
On Market
Ionic Iodine from Potassium Iodide 225 mcg
Trace Minerals Research
6 ingredients · Mineral
On Market
Ionic Man (Men's Multi)
Good State
20 ingredients · Mineral
On Market
Irish Sea Moss
SNAP
6 ingredients · Botanical with Nutrients
On Market
Irom Free All-In-One Multivitamin
Thompson
29 ingredients · Multi-Vitamin and Mineral (MVM)
On Market

Nearby Ingredients in Mineral

Other ingredients in the Mineral category cataloged in the NIH DSLD. Useful for comparing how common different nutrients are across the US supplement market.

Compare Iodine vs Silicon →

Nationwide ingredients with similar DSLD presence

Two peer sets for Iodine: closest on total DSLD label listings (5,915 here) and closest on distinct brands that list it (927 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 Iodine

What is the Recommended Dietary Allowance (RDA) for Iodine?
150 mcg for adults. The RDA is the average daily intake sufficient to meet the nutrient requirements of nearly all (97–98%) healthy people. Source: NIH Office of Dietary Supplements.
Is there an upper limit for Iodine?
1,100 mcg per day for adults (Tolerable Upper Intake Level, UL, the maximum daily intake unlikely to cause adverse health effects in the general population).
Does Iodine interact with medications?
May interact with antithyroid drugs and lithium. Consult your provider if you have thyroid disease. This is a partial list, always discuss supplement use with a pharmacist or prescribing provider.
What about Iodine during pregnancy or breastfeeding?
RDA during pregnancy is 220 mcg; lactation 290 mcg. Adequate iodine is essential for fetal brain development.
How many supplement products contain Iodine?
5,915 supplement product labels in the NIH DSLD currently lists Iodine as an ingredient. By label frequency it ranks #47 of 4,614 among ingredients PlainVitamins ranks (same sort as /rankings/most-common-ingredients). Browse them below.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD) · Dosing reference: NIH ODS Iodine 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.

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.