Indole-3-Carbinol
Indole-3-carbinol is one of the major anticancer substances found in cruciferous (cabbage family) vegetables. It is a member of the class of sulfur-containing chemicals called glucosinolates.1 It is formed from parent compounds whenever cruciferous vegetables are crushed or cooked.2 3
Indole-3-carbinol has been used in connection with the following conditions (refer to the individual health concern for complete information):
Who is likely to be deficient?
As indole-3-carbinol is not an essential nutrient, no deficiency state exists.
How much is usually taken?
Based upon preliminary studies it is estimated that the minimum amount required for the prevention of breast cancer is 300 to 400 mg daily.4
Are there any side effects or interactions?
No side effects from indole-3-carbinol have been reported.
At the time of writing, there were no well-known drug interactions with indole-3-carbinol.
References (To view, roll mouse over the "References" heading; to hide, click on the heading)
1. Stoewsand GS. Bioactive organosulfur phytochemicals in Brassica oleracea vegetables—a review. Food Chem Toxicol 1995;33:537–43.
2. Broadbent TA, Broadbent HS. The chemistry and pharmacology of indole-3-carbinol (indole-3-methanol) and 3-(methoxymethyl)indole. [Part I]. Curr Med Chem 1998;5:337–52.
3. Broadbent TA, Broadbent HS. The chemistry and pharmacology of indole-3-carbinol (indole-3-methanol) and 3-(methoxymethyl)indole. [Part II]. Curr Med Chem 1998;5:469–91.
4. Wong GY, Bradlow L, Sepkovic D, et al. Dose-ranging study of indole-3-carbinol for breast cancer prevention. J Cell Biochem Suppl 1997;28–29:111–6.
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The information presented in Healthnotes is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires June 2009.