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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

Irish Sea Moss
SNAP
6 ingredients · Botanical with Nutrients
On Market
JLB Combination
New Sun
20 ingredients · Other Combinations
On Market
Kelp - Lecithin - B-6 Cider Vinegar
DC
8 ingredients · Botanical with Nutrients
On Market
Kelp Alcohol Free
Herbal Terra
3 ingredients · Botanical
On Market
Kelp Extract Powder 500 mg
BulkSupplements.com
1 ingredient · Botanical
On Market
Kelp Extract Powder 500 mg
BulkSupplements.com
1 ingredient · Botanical
On Market
Kelp Extract Powder 500 mg
BulkSupplements.com
1 ingredient · Botanical
On Market
Kelp Non-Alcohol
Hawaii Pharm
3 ingredients · Botanical
On Market
Kelp Seaweed Powder
Teatox Life
16 ingredients · Non-Nutrient/Non-Botanical
On Market
Kelp Vinegar Lecithin B6
VitaCeutical Labs
10 ingredients · Other Combinations
On Market
Kelp Whole Thallus 600 mg
Nature's Way
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Kelp Whole Thallus 600 mg
Nature's Way
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Kelp Whole Thallus 600 mg
Nature's Way
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Kelp Whole Thallus 600 mg
Nature's Way
3 ingredients · Botanical with Nutrients
On Market
Kelp Whole Thallus 600 mg
Nature's Way
3 ingredients · Botanical with Nutrients
On Market
Kelp with Natural Selenium and Iodine
Ecological Formulas
7 ingredients · Other Combinations
On Market
Keto Electrolyte Tablets
Trace Minerals
19 ingredients · Botanical with Nutrients
On Market
KidGreenz Tropical Fruit Flavor
Natures Plus Animal Parade
24 ingredients · Botanical with Nutrients
On Market
Kidney Blend SP-6
Solaray
12 ingredients · Botanical
On Market
Kids Multivitamin Mixed Berry Flavored
Dr. Berg
50 ingredients · Botanical with Nutrients
On Market
Kyo-Green Greens Blend Powdered Drink Mix
Kyo-Green
12 ingredients · Botanical with Nutrients
On Market
Ladies' One 40+
Bluebonnet
60 ingredients · Other Combinations
On Market
Ladies' One 40+
Bluebonnet
60 ingredients · Other Combinations
On Market
Ladies' One Prenatal
Bluebonnet
46 ingredients · Other Combinations
On Market
Ladies' One Prenatal
Bluebonnet
49 ingredients · Botanical with Nutrients
On Market
Life with Iron
Shaklee
81 ingredients · Other Combinations
On Market
Life's Vitality Multi Vitamin/Mineral Complex
Lee Haney's Nutritional Support Systems
51 ingredients · Other Combinations
On Market
Liquid Iodine
Genestra Brands
4 ingredients · Mineral
On Market
Liquid Multi Wild Berry Flavor
NOW
61 ingredients · Other Combinations
On Market
Liver Blend SP-13
Solaray
9 ingredients · Botanical
On Market
Longevity Women's Formula
Pure Essence Labs
58 ingredients · Other Combinations
On Market
Magnesium 250 mg
21st Century
7 ingredients · Mineral
On Market
Magnesium 250 mg
Meijer
10 ingredients · Mineral
On Market
MangoTrim Complex
Natural Cell Supplements
12 ingredients · Other Combinations
On Market
Master Gland Formula
Nature's Sunshine
24 ingredients · Other Combinations
On Market
Master Gland Formula
Nature's Sunshine
25 ingredients · Botanical with Nutrients
On Market
Maxi One Iron-Free
Bluebonnet
57 ingredients · Other Combinations
On Market
Maxi One Iron-Free
Bluebonnet
60 ingredients · Other Combinations
On Market
Maxi One Iron-Free
Bluebonnet
57 ingredients · Other Combinations
On Market
Maximum Greens Complete Original Flavor
GNC SuperFoods
52 ingredients · Other Combinations
On Market
Meal Replacement Shake Vanilla Flavored
Beachbody Nutritionals
67 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Mean Greens Tincture
Signature Supplements
9 ingredients · Botanical
On Market
Mega Multi Mineral Iron-Free
Solaray
28 ingredients · Other Combinations
On Market
Men's Multivitamins & Minerals
Rise-N-Shine
99 ingredients · Other Combinations
On Market
Men's One 40+
Bluebonnet
61 ingredients · Other Combinations
On Market
Men's One 40+
Bluebonnet
60 ingredients · Other Combinations
On Market
Menopause Support
Vitabase
26 ingredients · Other Combinations
On Market
MenoSolve Plus Probiotics Original Mint Flavor
Greens First Female
82 ingredients · Other Combinations
On Market
Metabolic Age Support Cardio Kit
IN.FORM Nature's Sunshine
90 ingredients · Other Combinations
On Market
MRP Blueberry Crumb Cake
Core Nutritionals
63 ingredients · Amino acid/Protein
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.