Answering your search intent, these Indole-3-Carbinol (I3C) with resveratrol supplements are selected for cellular protection, hormone balance, and anti-oxidant support. The list is tailored for adults seeking cruciferous-vegetable-derived compounds with added resveratrol, including those focusing on hormonal health, menopause symptoms, or overall wellness. Best for: individuals seeking a combination of I3C and resveratrol in balanced, daily-dose formulas; budget-conscious shoppers may prefer multi-pack options while those prioritizing absorption may choose BioPerine-containing formulas.
| Product | Form | Per-Serving Highlights | Why It Stands Out |
|---|---|---|---|
| Swanson Indole-3-Carbinol with Resveratrol, 200 mg | Capsules | 2 mg I3C + 5 mg Resveratrol | Balanced combination in a straightforward daily capsule |
| Carlyle Indole-3-Carbinol 400 mg | Capsules | 400 mg I3C per serving + Broccoli Resveratrol Blend | Higher I3C dose for stronger antioxidant support |
| Zazzee High Absorption I3C | Capsules | 200 mg I3C + 100 mg Broccoli Extract + 5 mg BioPerine | Enhanced absorption and vegan formulation |
| Nutricost Indole-3-Carbinol | Capsules | 425 mg I3C per bottle (60 days with 2 caps/day) + Resveratrol 100 mg | Higher single-dose and long-pack value |
| NOW Foods Indole-3-Carbinol with Flax Lignan | Capsules | 200 mg I3C + Flax Lignan Extract | Detox and lignan blend for comprehensive plant-based support |
Swanson Indole-3-Carbinol with Resveratrol, 200 mg

Best for: adults seeking a simple, daily I3C plus resveratrol formula. This product delivers 2 mg of I3C and 5 mg of resveratrol per capsule, offering a basic cellular defense and healthy cell-cycle support. The capsule format supports easy dosing with water. Caution: avoid if you have known allergies to ingredients listed in the label or if you are pregnant or nursing without medical advice. Reason: a straightforward blend with a clear daily dose, suitable for those who want a non-proprietary ratio without extra additives.
Swanson Indole-3-Carbinol with Resveratrol – 2 Pack

Best for: shoppers who want more value per bottle or extended supply. This option mirrors the standard Swanson formula but provides two bottles in one purchase. Best used by individuals who prefer fewer reorders or longer-term planning. Limitation: higher total capsule count means careful storage to maintain freshness. Reason: cost efficiency without compromising the core I3C + resveratrol blend.
Swanson Indole-3-Carbinol with Resveratrol – 3 Pack

Best for: users seeking maximum convenience and longer-term planning with the same daily dose. This three-pack option sustains regular intake over several months. Caution: ensure you consume all three bottles within the product’s shelf life and storage recommendations. Reason: the multi-pack format balances ongoing use with wholesale-style pricing for committed users.
Carlyle Indole-3-Carbinol 400 mg

Best for: consumers seeking a higher I3C dose with added broccoli resveratrol blend. Carlyle emphasizes premium, honest supplements and aims to provide robust antioxidant support. Limitation: higher per-serving I3C may require medical guidance for those with hormone-sensitive conditions. Reason: stronger I3C dose can enhance antioxidative and cellular protection when used as directed.
Zazzee High Absorption Indole-3-Carbinol

Best for: shoppers who prioritize absorption and vegan formulations. Zazzee adds 5 mg BioPerine to boost absorption by as much as 30%, plus 100 mg broccoli extract and full vegan compliance. Caution: higher cost per bottle may be a factor for budget-focused buyers. Reason: the combination targets higher bioavailability and plant-based purity for those who want maximum uptake of I3C and supporting components.
Nutricost Indole-3-Carbinol 425 mg

Best for: users looking for a higher single-dose option with an extended 60-day supply. Nutricost includes Resveratrol (100 mg) and Broccoli Seed Extract (50 mg) to complement I3C. Limitation: the 425 mg dose per serving may be higher than some consumers tolerate, so start with lower dosing if advised by a healthcare professional. Reason: the larger dose and included resveratrol support may suit those targeting stronger antioxidant and hormonal balance goals.
NOW Foods Indole-3-Carbinol with Flax Lignan

Best for: buyers seeking added flax lignan extract for a broader plant-based antioxidant profile. NOW Foods combines 200 mg I3C with flax lignans in a dairy-free, kosher-certified formula. Caution: flax lignans may interact with certain medications; consult a healthcare provider if you have thyroid or hormonal considerations. Reason: lignans complement I3C by providing additional antioxidant support and potential estrogen-related balance.
Buying Guide
Key considerations when choosing an I3C with resveratrol supplement include dosage, absorption, formulation, and long-term use. Here are practical questions to guide your selection:
- What is the daily I3C dose, and does it match your goals?
- Do you benefit from absorption-enhancing ingredients like BioPerine or vegan capsules?
- Is the product balanced for hormone balance, detox support, or cellular protection?
- Do you prefer single-pack convenience or multi-pack value?
- Are additional ingredients (broccoli extract, flax lignans, resveratrol) aligned with your health priorities?
- Is the formula suitable for your dietary preferences (vegan, gluten-free, non-GMO)?
Frequently Asked Questions
- What does Indole-3-Carbinol do in these supplements?
Answer: I3C is a cruciferous-vegetable-derived compound thought to support cellular health and hormone balance; many formulas pair it with resveratrol for added antioxidant effects. - Is resveratrol essential in an I3C supplement?
Answer: Not essential, but many shoppers choose it for potential synergistic antioxidant benefits. - Who should consider higher-dose I3C capsules?
Answer: Adults seeking stronger antioxidant or hormone-balancing support and who have medical guidance for higher-dose supplementation. - Can I take more than one I3C product at a time?
Answer: It is generally not recommended to combine multiple I3C products without professional advice due to possible cumulative dosages. - Are these products vegan or gluten-free?
Answer: Many options are vegan and/or gluten-free; check individual labels for certifications if needed. - Do these supplements require a prescription?
Answer: No, these are dietary supplements sold over the counter.
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