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Other · Supplement ingredient

Kelp

Kelp is listed on 651 U.S. supplement product labels in the NIH DSLD, #289 of 4,614 by label frequency.

651
Products
#289 of 4,614
By frequency

How common is Kelp?

Number of supplement labels listing Kelp vs nearby other ingredients

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

Products containing Kelp

Royal Multigin
Douglas Laboratories
39 ingredients · Other Combinations
On Market
Royal Multigin
Douglas Laboratories
39 ingredients · Other Combinations
On Market
Sea Kelp 325 mcg
NusaPure
5 ingredients · Botanical with Nutrients
On Market
Sea Kelp 600 mg
SimplySupplements
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Sea Kelp Enhanced
Dr. Berg
8 ingredients · Botanical
On Market
Sea Kelp with 200 mcg of Iodine
Puritan's Pride
6 ingredients · Mineral
On Market
Sea Kelp with 200 mcg of Iodine
Puritan's Pride
7 ingredients · Botanical with Nutrients
On Market
Sea-Iodine 1000 mcg
Life Extension
9 ingredients · Botanical with Nutrients
On Market
Sea-Iodine 1000 mcg
Life Extension
9 ingredients · Botanical with Nutrients
On Market
SlimTox Cleanser
NDS Nutrition
36 ingredients · Other Combinations
On Market
Source of Life Gold Drink Mix Delicious Tropical Fruit Flavor
NaturesPlus
257 ingredients · Other Combinations
On Market
St. John's Wort-IMT
SP Standard Process
14 ingredients · Other Combinations
On Market
Strontium Citrate 250 mg
Solaray
6 ingredients · Mineral
On Market
Super Cordyceps
Nested Naturals
49 ingredients · Other Combinations
On Market
Super Fat Burner
Vitabase
35 ingredients · Other Combinations
On Market
Super Greens Original Flavor
Nested Naturals
47 ingredients · Other Combinations
On Market
Super Herb Diet MAX-Advantage
Indiana Botanic Gardens
18 ingredients · Other Combinations
On Market
Super Lion's Mane Focus Natural Flavor
Nested Naturals
49 ingredients · Other Combinations
On Market
Super Reishi Calm Dark Chocolate Flavor
Nested Naturals
51 ingredients · Other Combinations
On Market
Super Strength Kelp 1000 mg
Simply Supplements
3 ingredients · Non-Nutrient/Non-Botanical
On Market
Superb African Mango Extract
Vitals
12 ingredients · Other Combinations
On Market
Thyro Complex
Progressive Professional from Progressive Laboratories
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Thyroid Complex
Rise-N-Shine
18 ingredients · Botanical with Nutrients
On Market
Thyroid Complex
Rise-N-Shine
18 ingredients · Botanical with Nutrients
On Market
Thyroid Essential
Healthy Choice Naturals
18 ingredients · Botanical with Nutrients
On Market
Thyroid Gummies Natural Apple Flavor
Vitamatic
25 ingredients · Botanical with Nutrients
On Market
Thyroid Harmony
The Enclare Nutrition
19 ingredients · Botanical with Nutrients
On Market
Thyroid Rescue 911
PhytAge Labs
18 ingredients · Botanical with Nutrients
On Market
Thyroid Response Complete Care
Innate Response Formulas
14 ingredients · Other Combinations
On Market
Thyroid Support
Vitabase
19 ingredients · Other Combinations
On Market
Thyroid Support
NusaPure
19 ingredients · Botanical with Nutrients
On Market
Thyroid Support
Healths Harmony
19 ingredients · Botanical with Nutrients
On Market
Thyroid Support
Healths Harmony
19 ingredients · Botanical with Nutrients
On Market
Thyroid Support
dr.bo
19 ingredients · Botanical with Nutrients
On Market
Thyroid Support Alcohol Free
Hawaii Pharm
6 ingredients · Botanical
On Market
Thyroid Support Max
Health Nurture
18 ingredients · Botanical with Nutrients
On Market
Thyroid Support Sugar Free
Herbal Terra
7 ingredients · Botanical
On Market
Thyroid Support Sugar Free
Herbal Terra
7 ingredients · Botanical
On Market
Thyroid Support Sugar Free Alcohol Free
Herbal Terra
6 ingredients · Botanical
On Market
Thyroid Support With Iodine
aSquared Nutrition
18 ingredients · Botanical with Nutrients
On Market
Thyroid Support with Iodine
Amvilab
18 ingredients · Botanical with Nutrients
On Market
Thyroid Support with Iodine
PureMax Labs YummyVite
19 ingredients · Botanical with Nutrients
On Market
Thyroid Support with Iodine
ZHOU
19 ingredients · Botanical with Nutrients
On Market
Thyroid Support with Iodine + BioPerine
NutriFlair
17 ingredients · Botanical with Nutrients
On Market
TotalBurn Formula
Relacore Extra
16 ingredients · Other Combinations
On Market
Trace Minerals-B12
SP Standard Process
29 ingredients · Other Combinations
On Market
Training-Peak
Inner Armour
94 ingredients · Other Combinations
On Market
True Food Vitality for Women
Higher Nature
40 ingredients · Botanical with Nutrients
On Market
Ultimate Men's Daily Pack
Burton Nutrition
119 ingredients · Other Combinations
On Market
Ultimate Vita-Min
Professional Botanicals
66 ingredients · Other Combinations
On Market

Nearby Ingredients in Other

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

Compare Kelp vs Calories →

Nationwide ingredients with similar DSLD presence

Two peer sets for Kelp: closest on total DSLD label listings (651 here) and closest on distinct brands that list it (227 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 Kelp

How many supplement products contain Kelp?
651 supplement product labels in the NIH DSLD currently lists Kelp as an ingredient. By label frequency it ranks #289 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). 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.