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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

NAC N-Acetyl-L-Cysteine 600 mg
Natural Factors
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Nattokinase 100 mg
Protocol For Life Balance
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Nattokinase 100 mg
Natural Factors
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Nattokinase 100 mg
Seeking Health
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Nattokinase 100 mg
Best Naturals
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Nattokinase 2,000 FUs 100 mg
Healthy Origins
3 ingredients · Non-Nutrient/Non-Botanical
On Market
Nattokinase 2,000 FUs 100 mg
Healthy Origins
3 ingredients · Non-Nutrient/Non-Botanical
On Market
Nattokinase NSK-SD
Klaire Labs
5 ingredients · Non-Nutrient/Non-Botanical
On Market
NattoKinase Patented
Symbiotics
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Natural 5-HTP 100
Brain Forza
5 ingredients · Other Combinations
On Market
Natural Acidophilus Probiotic Complex
Rite Aid Pharmacy
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Natural BCAAs With Beta-Alanine
NS Natural Stacks
8 ingredients · Amino acid/Protein
On Market
Natural Beta Carotene 25,000 IU
Vitabase
5 ingredients · Other Combinations
On Market
Natural Beta-Carotene 25,000 IU
Vitamer Laboratories
6 ingredients · Vitamin
On Market
Natural Calcium
Higher Nature
4 ingredients · Mineral
On Market
Natural Energy
Greens First Lean
10 ingredients · Other Combinations
On Market
Natural Enzymes With Probiotics
Natural Enzymes
15 ingredients · Non-Nutrient/Non-Botanical
On Market
Natural Fiber Vegan Capsules
NuSyllium
9 ingredients · Mineral
On Market
Natural Prenatal Vitamin
Dr. Berg
36 ingredients · Other Combinations
On Market
Natural Pumpkin Seed Oil Softgel 1000 mg
Micro Ingredients
9 ingredients · Fat/Fatty Acid
On Market
Natural Raspberry Ketone
Genesis Today
2 ingredients · Non-Nutrient/Non-Botanical
On Market
Natural Vitamin B1
Dr. Berg
4 ingredients · Vitamin
On Market
Natural Vitamin B1+
Dr. Berg
18 ingredients · Botanical with Nutrients
On Market
Natural Vitamin B12
Dr. Berg
18 ingredients · Botanical with Nutrients
On Market
Natural Vitamin E
Higher Nature
6 ingredients · Vitamin
On Market
Natural Vitamin K2 100 mcg
Bluebonnet
4 ingredients · Vitamin
On Market
Natural Vitamin K2 100 mcg
Bluebonnet
4 ingredients · Vitamin
On Market
Natural Vitamin K2 45 mcg
Doctor's Best
7 ingredients · Vitamin
On Market
Nature's Hoodia Formula
Nature's Sunshine
14 ingredients · Other Combinations
On Market
Nature's Sea Calcium
Nature's Sunshine
7 ingredients · Mineral
On Market
Neem Capsules
Herbal Hills
5 ingredients · Botanical
On Market
Neptune Krill Oil
DaVinci Laboratories Of Vermont
19 ingredients · Other Combinations
On Market
Neptune Krill Oil
Quality Of Life
12 ingredients · Fat/Fatty Acid
On Market
Nerve Support with Benfotiamine
Dr. Berg
11 ingredients · Other Combinations
On Market
Neuro Gold Phosphatidylserine Triple Strength 300 mg
tnvitamins
7 ingredients · Fat/Fatty Acid
On Market
Neuro Optimizer
Jarrow Formulas
12 ingredients · Other Combinations
On Market
Neuro-Protect
HoltraCeuticals
5 ingredients · Mineral
On Market
New Zealand Green Lipped Mussel 1,500 mg
Health From The Sun
2 ingredients · Non-Nutrient/Non-Botanical
On Market
NF Formulas PSI Nighttime
Integrative Therapeutics
18 ingredients · Other Combinations
On Market
Niacin 100 mg
Bluebonnet
4 ingredients · Vitamin
On Market
Niacin 500 mg
NutraBio
2 ingredients · Vitamin
On Market
Niacin 500 Vitamin B3 500 mg
Dr. Clark Store
2 ingredients · Vitamin
On Market
Niacin Flush Free 250 mg
Natural Grocers by Vitamin Cottage
5 ingredients · Vitamin
On Market
Niacin No-Flush
AOR Advanced Orthomolecular Research Premium
4 ingredients · Vitamin
On Market
Niacinamide (Vitamin B3) 650 mg
BulkSupplements.com
2 ingredients · Vitamin
On Market
Niacinamide (Vitamin B3) 650 mg
BulkSupplements.com
2 ingredients · Vitamin
On Market
Niacinamide 500 mg
Bluebonnet
4 ingredients · Vitamin
On Market
Niacinamide 500 mg
Dr. Clark Store
2 ingredients · Vitamin
On Market
Niacinamide 500 mg
Nutricost
3 ingredients · Vitamin
On Market
Niacinamide 750 mg
Vital Nutrients
4 ingredients · Vitamin
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.