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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

Acetyl L-Carnitine 500 mg
OL Olympian Labs
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Acetyl L-Carnitine 500 mg
Vitamer Laboratories
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Acetyl L-Carnitine 500 mg
Nature's Way
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Acetyl L-Carnitine 500 mg
NutraBio
2 ingredients · Non-Nutrient/Non-Botanical
On Market
Acetyl L-Carnitine 500 mg
AN Amazing Nutrition Amazing Formulas
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Acetyl L-Carnitine 500 mg
Natural Grocers by Vitamin Cottage
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Acetyl L-Carnitine 500 mg
OL Olympian Labs
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Acetyl L-Carnitine 500 mg
Woodstock Vitamins
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Acetyl L-Carnitine 500 mg
Bluebonnet
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Acetyl L-Carnitine 500 mg
Best Naturals
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Acetyl L-Carnitine 500 mg
Bluebonnet
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Acetyl L-Carnitine 500 mg
NutraBio
2 ingredients · Non-Nutrient/Non-Botanical
On Market
Acetyl L-Carnitine with CoQ-10
Bronson
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Acetyl- L-Carnitine 500 mg
Natural Factors
5 ingredients · Amino acid/Protein
On Market
Acetyl- L-Carnitine 500 mg
Natural Factors
5 ingredients · Amino acid/Protein
On Market
Acetyl-L Carnitine 500 mg
Klaire Labs
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Acetyl-L-Carnitine
BioAnue
2 ingredients · Non-Nutrient/Non-Botanical
On Market
Acetyl-L-Carnitine
BioAnue
2 ingredients · Non-Nutrient/Non-Botanical
On Market
Acetyl-L-Carnitine
Seeking Health
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Acetyl-L-Carnitine
Wellness Resources
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Ache Action Decursinol Complex Plus Aquamin
NOW
7 ingredients · Other Combinations
On Market
Acid-2-Alkaline
Nature's Brands
24 ingredients · Botanical
On Market
Acidophilus & Bifidus
Natural Factors
11 ingredients · Non-Nutrient/Non-Botanical
On Market
Acidophilus & Bifidus
Natural Factors
11 ingredients · Non-Nutrient/Non-Botanical
On Market
Acidophilus & Bifidus
Vitamer Laboratories
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Acidophilus & Bifidus
VitaCeutical Labs
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Acidophilus & Bifidus
New Sun
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Acidophilus ProBiotic-4
KAL
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Activated B-Complex
Pure Prescriptions
12 ingredients · Vitamin
On Market
Activated B12 Complex
Adaptogen Research
11 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Activated Carbon
Everyday Health
2 ingredients · Non-Nutrient/Non-Botanical
On Market
Activated Charcoal
Nature's Craft
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Activated Charcoal
Earthborn Elements
3 ingredients · Non-Nutrient/Non-Botanical
On Market
Activated Charcoal 1000 mg
Remedys Nutrition
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Activated Charcoal 260 mg
Best Naturals
3 ingredients · Non-Nutrient/Non-Botanical
On Market
Activated Charcoal 260 mg
Best Naturals
3 ingredients · Non-Nutrient/Non-Botanical
On Market
Activated Charcoal 600 mg
Purest Vantage
2 ingredients · Non-Nutrient/Non-Botanical
On Market
Activated Coconut Charcoal 1200
Purely Beneficial
2 ingredients · Non-Nutrient/Non-Botanical
On Market
Active Core Complex
JayLab Pro
20 ingredients · Botanical with Nutrients
On Market
Adaptogen Immune
Return Healthy
10 ingredients · Botanical
On Market
Adaptoplex Plus
NHC Natural Healthy Concepts
16 ingredients · Botanical with Nutrients
On Market
Adrenal & Cortisol Support
Dr. Berg
18 ingredients · Botanical with Nutrients
On Market
Adrenal Cortex 250 mg
Adaptogen Research
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Adrenal Force
Energetix
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Adrenal Formula 545 mg
Dr. Clark Store
7 ingredients · Vitamin
On Market
Adrenal Glandular
Dr. Berg
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Adrenal Health
Vimerson Health
17 ingredients · Botanical with Nutrients
On Market
Adrenal Logic
Nulogic Nutritionals
17 ingredients · Botanical with Nutrients
On Market
Adrenal Repair-V
HoltraCeuticals
14 ingredients · Botanical with Nutrients
On Market
Adrenal Support
1 Body
15 ingredients · Botanical with Nutrients
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.