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Non-nutrient/non-botanical · Supplement ingredient

Indole-3-Carbinol (I3C)

Indole-3-Carbinol (I3C) is listed on 88 U.S. supplement product labels in the NIH DSLD, #835 of 4,614 by label frequency.

88
Products
#835 of 4,614
By frequency

How common is Indole-3-Carbinol (I3C)?

Number of supplement labels listing Indole-3-Carbinol (I3C) vs nearby non-nutrient/non-botanical ingredients

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

Products containing Indole-3-Carbinol (I3C)

Advanced Testosterone
GNC Men's
12 ingredients · Other Combinations
On Market
Breast Health
femMED
11 ingredients · Other Combinations
On Market
Breast Health
ProCaps
16 ingredients · Other Combinations
On Market
Breast Health Formula
Life Extension
19 ingredients · Other Combinations
On Market
Cellular Support
HoltraCeuticals
10 ingredients · Other Combinations
On Market
DIM + I3C with PQQ
Seeking Health
6 ingredients · Non-Nutrient/Non-Botanical
On Market
E I-3-C (Indole-3-Carbinol)
AFI America's Finest
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Estrogen Balance with DIM
NHC Natural Healthy Concepts
9 ingredients · Other Combinations
On Market
Estrogen Detox
Emerald Labs
9 ingredients · Other Combinations
On Market
Estrogen Detox
Raw Forest Foods
19 ingredients · Other Combinations
On Market
Estrogenex Depot 625 mg
Hi-Tech Pharmaceuticals
24 ingredients · Botanical with Nutrients
On Market
Hardcore Testosterone Amplifier
PMD
31 ingredients · Other Combinations
On Market
Healthy Hormone Formula
GNC Mega Men
12 ingredients · Other Combinations
On Market
Healthy Hormone Formula
GNC Mega Men
24 ingredients · Other Combinations
On Market
Healthy Hormone Formula
GNC Mega Men
24 ingredients · Other Combinations
On Market
Healthy Testosterone
GNC Men's
47 ingredients · Other Combinations
On Market
Hormone Health Blend
GNC Mega Men
7 ingredients · Botanical with Nutrients
On Market
I3C Indole 3-Carbinol 200
LifeLink
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Immune Source Multiplex
Viva Vitamins
20 ingredients · Other Combinations
On Market
Indole-3 Supreme 200 mg
Solaray
13 ingredients · Other Combinations
On Market
Indole-3-Carbinol
MyTrition
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Indole-3-Carbinol 400 mg
Pure Encapsulations
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Indole-3-Carbinol 400 mg
Pure Encapsulations
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Indole-3-Carbinol I3C - 200 mg
LuckyVitamin
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Indole-3-Carbinol with Resveratrol
Swanson
6 ingredients · Non-Nutrient/Non-Botanical
On Market
KTG PCT 3-IN-1
eXplicit Supplements
13 ingredients · Other Combinations
On Market
Methyl Andro Hardcore
PMD
31 ingredients · Other Combinations
On Market
MultiFactors Women's
Natural Factors
49 ingredients · Other Combinations
On Market
Nighttime Testosterone Support
PMD
26 ingredients · Other Combinations
On Market
Project Shred
Anabolic Warfare
13 ingredients · Other Combinations
On Market
Prostate Defense
Solaray
17 ingredients · Other Combinations
On Market
Reacta C 500 mg
Solaray
11 ingredients · Other Combinations
On Market
Reacta C 500 mg
Solaray
11 ingredients · Other Combinations
On Market
Reversitol V2
iForce Nutrition
9 ingredients · Other Combinations
On Market
Triple Action Cruciferous Vegetable Extract
Life Extension
12 ingredients · Other Combinations
On Market
Triple Action Cruciferous Vegetable Extract and Resveratrol
Life Extension
13 ingredients · Other Combinations
On Market
Ultimate Women's Wellness
ProCaps
28 ingredients · Other Combinations
On Market
Ultra Indinol Plus
Douglas Laboratories
5 ingredients · Other Combinations
On Market
Vital Immunity
Progressive Professional from Progressive Laboratories
7 ingredients · Other Combinations
On Market
Bio DIM I-3-C Complex
DaVinci Laboratories Of Vermont
12 ingredients · Other Combinations
Off Market
Bone & Body Factors
ProCaps Laboratories
20 ingredients · Other Combinations
Off Market
Breast Health
ProCaps Laboratories
17 ingredients · Other Combinations
Off Market
Breast Health
femMED
10 ingredients · Other Combinations
Off Market
Breast Health
ProCaps Laboratories
17 ingredients · Other Combinations
Off Market
Cysteine Complex
BioCare
18 ingredients · Other Combinations
Off Market
EstroSense With Indole-3-Carbinol
Natural Factors WomenSense
16 ingredients · Other Combinations
Off Market
EstroSense With Indole-3-Carbinol
Natural Factors WomenSense
17 ingredients · Other Combinations
Off Market
Immune Source Multiplex
Viva Vitamins
20 ingredients · Other Combinations
Off Market
Indole-3-Carbinol
Nature's Sunshine
6 ingredients · Other Combinations
Off Market
Indole-3-Carbinol 200 mg
The Vitamin Shoppe
4 ingredients · Non-Nutrient/Non-Botanical
Off Market

Nearby Ingredients in Non-nutrient/non-botanical

Other ingredients in the Non-nutrient/non-botanical category cataloged in the NIH DSLD. Useful for comparing how common different nutrients are across the US supplement market.

Compare Indole-3-Carbinol (I3C) vs Magnesium →

Nationwide ingredients with similar DSLD presence

Two peer sets for Indole-3-Carbinol (I3C): closest on total DSLD label listings (88 here) and closest on distinct brands that list it (53 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.

Frequently asked about Indole-3-Carbinol (I3C)

How many supplement products contain Indole-3-Carbinol (I3C)?
88 supplement product labels in the NIH DSLD currently lists Indole-3-Carbinol (I3C) as an ingredient. By label frequency it ranks #835 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.