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
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
Indole-3-carbinol is found in highest concentrations in broccoli, but is also found in other cruciferous vegetables, such as cauliflower, cabbage, and kale.
As indole-3-carbinol is not an essential nutrient, no deficiency state exists.
1. Stoewsand GS. Bioactive organosulfur phytochemicals in Brassica oleracea vegetables—a review. Food Chem Toxicol 1995;33:537-43 [review].
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.
Last Review: 07-01-2014
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