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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
Subscribe to updates
Verify with NIH DSLD → · FDA Daily Value reference → · Page 38 of 285

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

L-Theanine 400 mg
OL Olympian Labs
6 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Theanine 500 mg
BulkSupplements.com
2 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Theanine 500 mg
BulkSupplements.com
2 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Theanine Calm Caps
Nature's Truth
11 ingredients · Other Combinations
On Market
L-Theanine Capsules 200 mg
Nootropics Depot
4 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Tryosine 500 mg
Village Vitality
5 ingredients · Amino acid/Protein
On Market
L-Tryptophan 500 mg
NOW
4 ingredients · Amino acid/Protein
On Market
L-Tryptophan 500 mg
NOW
4 ingredients · Amino acid/Protein
On Market
L-Tryptophan 500 mg
Protocol For Life Balance
4 ingredients · Amino acid/Protein
On Market
L-Tryptophan 500 mg
Protocol For Life Balance
4 ingredients · Amino acid/Protein
On Market
L-Tryptophan 500 mg
Bluebonnet
4 ingredients · Amino acid/Protein
On Market
L-Tryptophan 500 mg
Bluebonnet
4 ingredients · Amino acid/Protein
On Market
L-Tryptophan 500 mg
Swanson Ultra
2 ingredients · Amino acid/Protein
On Market
L-Tryptophan 500 mg
The Vitamin Shoppe
5 ingredients · Amino acid/Protein
On Market
L-Tryptophan 500 mg
The Vitamin Shoppe
5 ingredients · Amino acid/Protein
On Market
L-Tryptophan 500 mg
California Academy of Health
4 ingredients · Amino acid/Protein
On Market
L-Tryptophan 500 mg
Jarrow Formulas
5 ingredients · Amino acid/Protein
On Market
L-Tryptophan 500 mg
Natural Grocers by Vitamin Cottage
5 ingredients · Amino acid/Protein
On Market
L-Tryptophan 500 mg
Jarrow Formulas
5 ingredients · Amino acid/Protein
On Market
L-Tryptophan 500 mg
Metabolic Maintenance
3 ingredients · Amino acid/Protein
On Market
L-Tryptophan 500 mg
Bluebonnet
4 ingredients · Amino acid/Protein
On Market
L-Tryptophan 500 mg
Bluebonnet
4 ingredients · Amino acid/Protein
On Market
L-Tryptophan, USP
Lidtke TryptoGOLD
2 ingredients · Amino acid/Protein
On Market
L-Tryptophan, USP
Lidtke TryptoGOLD
2 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
VitaCeutical Labs
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Seeking Health
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Bluebonnet
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Bluebonnet
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Jarrow Formulas
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
BulkSupplements.com
2 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
BulkSupplements.com
2 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Bronson
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Woodstock Vitamins
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Klaire Labs
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Jarrow Formulas
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Nutricost
4 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Metabolic Maintenance
4 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Bluebonnet
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Bluebonnet
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine 750 mg
Natural Factors
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine 750 mg - Extra Strength
NOW
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine Brain Support 1000 mg
New Age
4 ingredients · Amino acid/Protein
On Market
L-Tyrosine Capsules 500 mg
Nootropics Depot
4 ingredients · Amino acid/Protein
On Market
L-Valine 450 Milligrams
NutraBio
2 ingredients · Amino acid/Protein
On Market
L. Acidophilus 3 Billion CFU
Klaire Labs
4 ingredients · Non-Nutrient/Non-Botanical
On Market
L2 Extreme Water Loss
Cellucor
14 ingredients · Other Combinations
On Market
Lactase Enzyme 9000 FCC ALU
Natural Factors
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Lactation Support
HMS Nutrition
20 ingredients · Botanical with Nutrients
On Market
Lactobacillus Acidophilus
Pure Encapsulations
3 ingredients · Non-Nutrient/Non-Botanical
On Market
Lactobacillus Acidophilus
Pure Encapsulations
3 ingredients · Non-Nutrient/Non-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 →

Calories
26,474 products · Other
Water
23,862 products · Other
Glycerol
19,903 products · Other
Flavor
16,727 products · Other
Magnesium stearate
16,228 products · Other

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.

Read our methodology , how this data is sourced, computed, and verified.

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.