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Other · Supplement ingredient

capsule

capsule is listed on 14,234 U.S. supplement product labels in the NIH DSLD, #15 of 4,614 by label frequency.

14,234
Products
#15 of 4,614
By frequency
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How common is capsule?

Number of supplement labels listing capsule vs nearby other ingredients

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

Products containing capsule

Irom Free All-In-One Multivitamin
Thompson
29 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Iron 5 mg Bio-Max Series
Kirkman
4 ingredients · Mineral
On Market
Iron Chelate 18 18 mg
NutraBio
3 ingredients · Mineral
On Market
Iron Chelate 27 27 Milligrams
NutraBio
3 ingredients · Mineral
On Market
Iron Complex 29 mg
VitaCeutical Labs
9 ingredients · Other Combinations
On Market
Iron Complex 29 mg
Vitamer Laboratories
9 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Iron Free Quintabs M
Freeda
24 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Iron Free Quintabs M
Freeda
24 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Iron Glycinate 25 mg
Natural Grocers by Vitamin Cottage
5 ingredients · Mineral
On Market
Isoquercetin 100 mg
Integrative Therapeutics
6 ingredients · Mineral
On Market
JarroSil 10 mg
Jarrow Formulas
5 ingredients · Mineral
On Market
Jocko Cold War
Jocko Fuel
10 ingredients · Botanical with Nutrients
On Market
Joint Comfort
Zemvelo
15 ingredients · Other Combinations
On Market
Joint Health Original
Redd Remedies
3 ingredients · Non-Nutrient/Non-Botanical
On Market
Joint Support Capsules
Wise Woman Herbals
10 ingredients · Botanical
On Market
Joint Support Super Formula
Beachbody Nutritionals
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Juniper Berries
Nature's Way
5 ingredients · Botanical
On Market
K Alkaline + Mg
Moss Nutrition
6 ingredients · Mineral
On Market
K/Mg Aspartate
Karuna
6 ingredients · Other Combinations
On Market
Kaishore Guggul
Sandhu's Ayurveda
10 ingredients · Botanical
On Market
Kaishore Guggul
Harmony Nutraceuticals
12 ingredients · Botanical
On Market
KalmAssure Magnesium Capsules 420 mg
NaturesPlus
5 ingredients · Mineral
On Market
Kanchnar Guggul
Harmony Nutraceuticals
14 ingredients · Botanical
On Market
Kava Capsules
Wakaya Perfection
2 ingredients · Botanical
On Market
Kava Kava 250 mg
Natural Factors Stress-Relax
6 ingredients · Botanical
On Market
Kava Kava 400 mg
Natural Factors Stress-Relax
6 ingredients · Botanical
On Market
KBomb Kratom Extract Softgel
KBomb
4 ingredients · Botanical
On Market
KBomb Multi-Strain Red Kratom Blend
KBomb
3 ingredients · Botanical
On Market
KBomb Multi-Strain Red Kratom Blend
KBomb
3 ingredients · Botanical
On Market
KBomb Multi-Strain White Kratom Blend
KBomb
3 ingredients · 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
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Keratin Enhance With Biotin And Resveratrol 500 MG KERATIN
ResVitale
7 ingredients · Botanical with Nutrients
On Market
Keratin Enrich
Body Kitchen
11 ingredients · Amino acid/Protein
On Market
Keratin Hair Enhance
ResVitale
15 ingredients · Botanical with Nutrients
On Market
Kid's Factors Balanced DHA Blend Omega 3 & 6
Natural Factors
11 ingredients · Fat/Fatty Acid
On Market
Kid's Factors Balanced DHA Blend Omega 3 & 6
Natural Factors
11 ingredients · Fat/Fatty Acid
On Market
Kid's Factors Extreme Peach Flavor
Natural Factors
19 ingredients · Botanical with Nutrients
On Market
Kid's Factors Extreme Peach Flavor
Natural Factors
19 ingredients · Botanical with Nutrients
On Market
Kidney Formula
Christopher's Original Formulas
9 ingredients · Botanical
On Market
Kidneys & Bladder 4 Capsules
Dr. Morse's Cellular Botanicals
9 ingredients · Botanical
On Market
Kidneys & Bladder Daily Capsules 450 mg
Doctor Morse's Healing Herbs
9 ingredients · Botanical
On Market
Kidz DHA 100 mg Tasty Fruit Flavor
New Sun
7 ingredients · Fat/Fatty Acid
On Market
Korean Ginseng Standardized
Nature's Way
3 ingredients · Botanical
On Market
Krill Oil 1000 mg
Nutricost
9 ingredients · Fat/Fatty Acid
On Market
Krill Oil 350 mg
Spring Valley
8 ingredients · Fat/Fatty Acid
On Market
Krill Oil 500 mg
Nature's Craft
7 ingredients · Fat/Fatty Acid
On Market
Kudzu Root Extract
BioAnue
2 ingredients · Botanical
On Market
Kudzu Root Extract
BioAnue
2 ingredients · Botanical
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 capsule vs Calories →

Nationwide ingredients with similar DSLD presence

Two peer sets for capsule: closest on total DSLD label listings (14,234 here) and closest on distinct brands that list it (965 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 capsule

How many supplement products contain capsule?
14,234 supplement product labels in the NIH DSLD currently lists capsule as an ingredient. By label frequency it ranks #15 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.