Vitacost-Synergy Indole-3-Carbinol (I3C), 200 mg, 120 Capsules supplement bottle
Vitacost-Synergy

Indole-3-Carbinol (I3C), 200 mg, 120 Capsules

What We Researched
2 active ingredients analyzed · 3 inactive ingredients decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
93
Product Score Excellent
62
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Indole-3-Carbinol (I3C) 200 mg *
Dried Broccoli (seed, sprout, floret) supplies 3 mg glucosinolates 150 mg *
Bioavailability Very Good

Absorption Rating

  • Indole-3-Carbinol (I3C) Fair
  • Dried Broccoli (seed, sprout, floret) supplies 3 mg glucosinolates Good
Other Ingredients Excellent

Fillers & Additives

  • Rice Flour
  • Hydroxypropyl Methylcellulose
  • Vegetable Magnesium Stearate and Silicon Dioxide
Efficacy Excellent

Dosage Analysis

  • Indole-3-Carbinol (I3C) 200 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Indole-3-Carbinol (I3C) 200 mg *
Dried Broccoli (seed, sprout, floret) supplies 3 mg glucosinolates 150 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Rice Flour Safe

Natural bulking agent to fill capsule space. Hypoallergenic.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Vegetable Magnesium Stearate and Silicon Dioxide Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment and improve powder flow.

Price Comparison

Vitacost $18.95 $0.16 / serving
Best Price

Price History

Tracked across major retailers. Updated periodically.

$21$20$19$18$17 Mar 12 $18.95
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Vitacost-Synergy

Founded 1994 · Boca Raton, Florida, United States · 53 products · vitacost.com/

Certifications

1 certification
Consumerlab Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed

Violation History

3 incidents
Prop 65 Lead2020-10-26Source
Lawsuit Mislabeled magnesium content in supplements.2016Source
Recall SYNERGY PLUS (For Children Over 4 Years) CHEWABLES Vitabots Multiple Vitamins & Minerals with Digestive Enzymes and Oat Bran1993-11-08Source
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Frequently Asked Questions
Is Vitacost-Synergy Indole-3-Carbinol (I3C), 200 mg a good supplement?

Vitacost-Synergy Indole-3-Carbinol (I3C), 200 mg, 120 Capsules received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 2 active ingredients with 120 servings per container. Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, Vitacost-Synergy, holds a brand trust score of 62/100 with 1 verified certifications including Consumerlab.

What are the ingredients in Vitacost-Synergy Indole-3-Carbinol (I3C), 200 mg?

Vitacost-Synergy Indole-3-Carbinol (I3C), 200 mg contains 2 active ingredients: Indole-3-Carbinol (I3C) (200 mg), Dried Broccoli (seed, sprout, floret) supplies 3 mg glucosinolates (150 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Vitacost-Synergy Indole-3-Carbinol (I3C), 200 mg safe to take?

Vitacost-Synergy Indole-3-Carbinol (I3C), 200 mg, 120 Capsules has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Vitacost-Synergy a trustworthy supplement brand?

Vitacost-Synergy receives a brand trust score of 62/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1994 and headquartered in Boca Raton, Florida, United States, the company offers 53 products in their lineup. They hold 1 verified certifications including Consumerlab. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Vitacost-Synergy has 3 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.