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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

Inflamma Response
Herb Pharm
9 ingredients · Botanical
Off Market
Inflammation Balance
Carlson
11 ingredients · Other Combinations
Off Market
Inflammation Balance
Carlson
11 ingredients · Other Combinations
Off Market
Inflammation Balance
Carlson
10 ingredients · Fat/Fatty Acid
Off Market
Inflammation Balance
Carlson
10 ingredients · Fat/Fatty Acid
Off Market
Inflammation Balance
Carlson
14 ingredients · Fat/Fatty Acid
Off Market
Inflammation Relief
Earth Wise Vitamins & Supplements
19 ingredients · Botanical with Nutrients
Off Market
Inositol 750 mg
Jarrow Formulas
5 ingredients · Non-Nutrient/Non-Botanical
Off Market
Inositol 750 mg
Jarrow Formulas
5 ingredients · Vitamin
Off Market
Inositol 750 mg
Jarrow Formulas
5 ingredients · Non-Nutrient/Non-Botanical
Off Market
Inositol 750 mg
Jarrow Formulas
5 ingredients · Non-Nutrient/Non-Botanical
Off Market
Inositol Capsules 500 mg
NOW
4 ingredients · Non-Nutrient/Non-Botanical
Off Market
Inositol Hexaphosphate 800 mg
NOW
5 ingredients · Other Combinations
Off Market
Integrative Digestive Formula
ecoNugenics
9 ingredients · Other Combinations
Off Market
Interfase Plus
Klaire Labs
17 ingredients · Non-Nutrient/Non-Botanical
Off Market
Intolerance Complex
Enzyme Science
19 ingredients · Non-Nutrient/Non-Botanical
Off Market
Intolerance Complex
Enzyme Science
19 ingredients · Non-Nutrient/Non-Botanical
Off Market
Iodine (Potassium Iodide)
Pure Encapsulations
3 ingredients · Mineral
Off Market
Iodine 1.5 mg
Dr. Mercola
3 ingredients · Mineral
Off Market
Iodine Co-Factors
Terry Naturally
10 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Iodine Complex 12.5 mg
Physician's Preference
7 ingredients · Mineral
Off Market
Iodine Gold 300 mcg
NutriGold
17 ingredients · Botanical with Nutrients
Off Market
Iodine Gold 300 mcg
NutriGold
15 ingredients · Botanical with Nutrients
Off Market
IP6 & Inositol 500 mg
Natural Factors
9 ingredients · Other Combinations
Off Market
Ipriflavone 300 mg
Vital Nutrients
6 ingredients · Non-Nutrient/Non-Botanical
Off Market
Ipriflavone 300 mg
Vital Nutrients
6 ingredients · Non-Nutrient/Non-Botanical
Off Market
Irish Sea Moss
SNAP
6 ingredients · Botanical with Nutrients
Off Market
Iron Chelate 18 Milligrams
NutraBio
3 ingredients · Mineral
Off Market
Iron Chelate 30 mg
Klaire Labs
5 ingredients · Mineral
Off Market
Iron Complex 29 mg
Vitamer Laboratories
9 ingredients · Other Combinations
Off Market
Iron Essentials
HoltraCeuticals
4 ingredients · Mineral
Off Market
Iron Free Multi Caps
VitaCeutical Labs
38 ingredients · Other Combinations
Off Market
Iron Free Multi Caps
Vitamer Laboratories
39 ingredients · Other Combinations
Off Market
Iron Free Quintabs-M
Freeda
23 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Iron Free Quintabs-M
Freeda
23 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Iron Gold 18 mg
NutriGold
16 ingredients · Botanical with Nutrients
Off Market
Iron Gold 18 mg
NutriGold
16 ingredients · Botanical with Nutrients
Off Market
Iron-Free Multi One
Bluebonnet
31 ingredients · Other Combinations
Off Market
Iron-Free Multminerals Plus Boron
Bluebonnet
15 ingredients · Mineral
Off Market
Iron-Free Multminerals Plus Boron
Bluebonnet
15 ingredients · Mineral
Off Market
IronSorb 18 mg
Jarrow Formulas
5 ingredients · Mineral
Off Market
IronSorb 18 mg
Jarrow Formulas
5 ingredients · Mineral
Off Market
IronSorb 18 mg
Jarrow Formulas
5 ingredients · Mineral
Off Market
IronSorb 18 mg
Jarrow Formulas
5 ingredients · Mineral
Off Market
Irvingia Gabonensis African Mango Diet 1200
Creative Bioscience
5 ingredients · Botanical
Off Market
Irvingia Gabonensis African Mango Diet 1200
Creative Bioscience
5 ingredients · Botanical
Off Market
Isa-Test GF Testosterone Stimulator
iSatori
31 ingredients · Other Combinations
Off Market
Isoflavone-250 With Genistein
Douglas Laboratories
5 ingredients · Non-Nutrient/Non-Botanical
Off Market
Jade Greenzymes
Nikken Kenzen
11 ingredients · Botanical with Nutrients
Off Market
Jarro-Dophilus + FOS
Jarrow Formulas
14 ingredients · Non-Nutrient/Non-Botanical
Off 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.