non-nutrient/non-botanical
Indole-3-Carbinol (I3C) supplements
Half of the 100 indole-3-carbinol (I3C) supplements in the NIH label database that print an amount list 150 mg or less per serving; the middle half list 75 mg to 200 mg (DSLD version 9.4.0, January 2026).
- Products listing it
- 167100 print an amount; 67 list it inside a blend without an amount
- Median per serving
- 150 mgmiddle half 75 mg to 200 mg
How much indole-3-carbinol (I3C) do supplements contain?
The median product lists 150 mg per serving. One in ten lists 25 mg or less, one in ten 200 mg or more. The amount printed most often is 200 mg (31 products).
Products by amount of indole-3-carbinol (I3C) per serving
100 products, log scale; extreme 0.2% at each end left out of the drawing.
| Amount per serving | Products | For example |
|---|---|---|
| 200 mg | 31 | Ultra Indinol Plus (Douglas Laboratories); I3C Indole 3-Carbinol 200 (LifeLink); Indole-3-Carbinol (MyTrition) |
| 150 mg | 12 | Gamma-O (Gamma Labs); EstroSense (Natural Factors WS WomenSense); AndroSense T-Correct (Natural Factors) |
| 100 mg | 11 | E I-3-C (Indole-3-Carbinol) (AFI America's Finest); Vital Immunity (PL Progressive Laboratories); AndroBoost (Nutrients for Health) |
| 60 mg | 6 | I3C Plus (Health Products Distributors) |
| 1 mg | 5 | Hormone Health Blend (GNC Mega Men); Re-Test (GNC Beyond Raw); Healthy Testosterone (GNC Men's) |
| 75 mg | 5 | Estrogen Blocker (Iron Brothers Supplements); Bone & Body Factors (ProCaps Laboratories); Vital Immunity (Progressive Professional from Progressive Laboratories) |
| 50 mg | 4 | Estrovite (K-5) (Apex Energetics); Estrohalt (Addrena); DIM Estro Clean Complex (Body Dynamics MaXzorbceuticals Nutrition) |
| 80 mg | 3 | Triple Action Cruciferous Vegetable Extract (Life Extension); Triple Action Cruciferous Vegetable Extract and Resveratrol (Life Extension) |
| 99 mg | 3 | Test 1700 (GNC AMP); Test 1700 (GNC AMP Advanced Muscle Performance) |
| 300 mg | 3 | Hard Target (Apollon Nutrition); I3c Sap (NFH); I3c + DIM (Wellness Resources) |
Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).
Which products list the most indole-3-carbinol (I3C)?
On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).
- Kings BloodOlympus Labs400 mg
- Indole-3-Carbinol 400 mgPure Encapsulations400 mg
- Hard TargetApollon Nutrition300 mg
- I3c SapNFH300 mg
- I3c + DIMWellness Resources300 mg
- IndoleMaxVitaMonk250 mg
- Ultra Indinol PlusDouglas Laboratories200 mg
- I3C Indole 3-Carbinol 200LifeLink200 mg
In which products and brands?
Products listing indole-3-carbinol (I3C) by DSLD product type
Brands listing it most: Axxcelerated Sports Nutrition (4), Life Extension (4), Natural Factors (3), ProCaps Laboratories (3), Douglas Laboratories (3), GNC Mega Men (2), GNC Men's (2), Progressive Professional from Progressive Laboratories (2), Genestra Brands (2), XLSN Xcel Sports Nutrition (2).
Every product listing indole-3-carbinol (I3C)
167 products, A to Z by name (page 2 of 4), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Estrogenex 2nd Generation 600 mgHi-Tech Pharmaceuticalsin a blend
- Estrogenex Depot 625 mgHi-Tech Pharmaceuticalsin a blend
- EstrohaltAddrena50 mg
- EstroSenseNatural Factors WS WomenSense150 mg
- EstroSense With Indole-3-CarbinolNatural Factors WomenSense · off the market150 mg
- Estrovite (K-5)Apex Energetics50 mg
- Gamma-OGamma Labs150 mg
- Hard TargetApollon Nutrition300 mg
- Hardcore Testosterone AmplifierPMDin a blend
- Healthy Hormone FormulaGNC Mega Men1 mg
- Healthy TestosteroneGNC Men's1 mg
- Healthy Testosterone FormulaGNC Preventive Nutrition · off the marketin a blend
- Her Desire All Natural Sexual HealthAngry Supplementsin a blend
- Hormone Health BlendGNC Mega Men1 mg
- I3c + DIMWellness Resources300 mg
- I3C 200 mgAbsorb Health200 mg
- I3C Indole 3-Carbinol 200LifeLink200 mg
- I3C PlusHealth Products Distributors60 mg
- I3c SapNFH300 mg
- Immune Source MultiplexViva Vitaminsin a blend
- Indole ForteProThera · off the marketin a blend
- Indole ForteKlaire Labs · off the marketin a blend
- Indole PlusAdaptogen Researchin a blend
- Indole-3 Supreme 200 mgSolaray200 mg
- Indole-3-CarbinolMyTrition200 mg
- Indole-3-CarbinolNature's Sunshinein a blend
- Indole-3-Carbinol 200 mgPure Encapsulations200 mg
- Indole-3-Carbinol 200 mgThe Vitamin Shoppe200 mg
- Indole-3-Carbinol 200 mg plus BioperineZazzee Naturals200 mg
- Indole-3-Carbinol 400 mgPure Encapsulations400 mg
- Indole-3-Carbinol I3C - 200 mgNOW200 mg
- Indole-3-Carbinol I3C - 200 mgLuckyVitamin200 mg
- Indole-3-Carbinol With ResveratrolSwanson Ultra · off the market200 mg
- Indole-3-Carbinol with ResveratrolSwanson200 mg
- Indole-3-Carbinol with Resveratrol & Broccoli Extract 200 mgtnvitamins200 mg
- IndoleMaxVitaMonk250 mg
- InterceptNeon Sportin a blend
- Junky Juice Maui MadnessXLSN Xcel Sports Nutrition · off the market30 mg
- Kings BloodOlympus Labs400 mg
- Ktg Pct 3-in-1eXplicit Supplementsin a blend
- Liver Support & Detox Intensive Lemon-Berry FlavorGenestra Brands120 mg
- Liver Support & DetoxificationGenestra Brands25 mg
- Livogen PlusTishcon Corp.166 mg
- Mammoth DNA ResurrectionXcel Sports Nutrition · off the market60 mg
- Mammoth ResurrectionAxxcelerated Sports Nutrition · off the market60 mg
- Meta I 3 CMetagenics150 mg
- Methyl AndroPMD Platinumin a blend
- Methyl AndroPMD · off the marketin a blend
- Methyl Andro HardcorePMDin a blend
- Methyl Andro Insane Testosterone BoosterPMD Platinum · off the marketin a blend