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 1 of 4), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- 17-BetaiSatoriin a blend
- Advanced TestosteroneGNC Men's1 mg
- Alpha Cut HDScience of Alpha · off the marketin a blend
- AlphawomanBodycor Naturals · off the marketin a blend
- AndroBoostNutrients for Health100 mg
- AndroBoost for MenVitamins Direct · off the market100 mg
- AndroSense T-CorrectNatural Factors150 mg
- Anti-Aromatase Reversitol TestosteroneiForce Nutritionin a blend
- Arima-XDVMI Sports150 mg
- Arimid-XMax Drive Nutritionin a blend
- Aroma Block-REFX Sportsin a blend
- AttackEnraged · off the marketin a blend
- AttackEN Enraged · off the marketin a blend
- AvatropinCellusyn Laboratories · off the marketin a blend
- BalanceBlendFairhaven Healthin a blend
- Battle Fuel XTMusclePharmin a blend
- Bio DIM I-3-C ComplexDaVinci Laboratories of Vermont · off the market200 mg
- Black OxEnhanced160 mg
- Black Ox Test BoosterEA Enhanced160 mg
- Bloat ReduceAddrena100 mg
- Bone & Body FactorsProCaps Laboratories75 mg
- Breast HealthProCaps Laboratories · off the market150 mg
- Breast HealthfemMED200 mg
- Breast HealthProCaps150 mg
- Breast Health FormulaLife Extension100 mg
- BreastGard with EstroFlushSolarayin a blend
- CDG EstroDIMOrtho Molecular Products200 mg
- Cellular SupportHoltraCeuticals200 mg
- Centra PeakPeak Nutrition200 mg
- Cleanse & DetoxTop Secret Nutrition Healthin a blend
- CycleSwole Labsin a blend
- Cycle ResurrectionSwole Labsin a blend
- Cycle SupportVintage Musclein a blend
- Cyclo TestInfinite Labsin a blend
- DIM + I3cSeeking Healthin a blend
- DIM + I3C with PQQSeeking Health200 mg
- DIM Estro Clean ComplexBody Dynamics MaXzorb Nutrition · off the market50 mg
- DIM Estro Clean ComplexBody Dynamics MaXzorbceuticals Nutrition50 mg
- E I-3-C (Indole-3-Carbinol)AFI America's Finest100 mg
- E-ShredAnabolic Warfare200 mg
- EmpowHERLean Factor100 mg
- Erase Pro+PEScience200 mg
- Estro BombBiogear · off the marketin a blend
- Estro Eliminate XXLSN Xcel Sports Nutrition · off the market150 mg
- Estro OneNutraOnein a blend
- EstroDIMOrtho Molecular Products200 mg
- Estrogen Balance with DIMNHC Natural Healthy Concepts200 mg
- Estrogen BlockerIron Brothers Supplements75 mg
- Estrogen DetoxEmerald Labs200 mg
- Estrogen DetoxRaw Forest Foods175 mg