Health Guide


What is it?

Cabbage is an herbal medicine used to prevent cancer and ulcers. It may also be used to treat engorged (enlarged and tender) breasts and high blood sugar.

Other names for Cabbage include: Bok Choy, Savoy Cabbage, Brassica oleracea var capitata, Colewort, Indole-3-carbinol, Brassica campestris pekinensis, and Chinese Cabbage.

Ask your doctor, nurse, or pharmacist if you need more information about this medicine or if any information in this leaflet concerns you.

Before Using:

Tell your doctor if you

  • are taking medicine or are allergic to any medicine (prescription or over-the-counter (OTC) or dietary supplement)
  • are pregnant or plan to become pregnant while using this medicine
  • are breastfeeding
  • have other health problems, such as high blood pressure or heart or blood vessel disease


Talk with your caregiver about how much Cabbage you should take. The amount depends on the strength of the medicine and the reason you are taking Cabbage. If you are using this medicine without instructions from your caregiver, follow the directions on the medicine bottle. Do not take more medicine or take it more often than the directions tell you to.

To store this medicine:

Keep all medicine locked up and away from children. Store medicine away from heat and direct light. Do not store your medicine in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down and not work the way it should work. Throw away medicine that is out of date or that you do not need. Never share your medicine with others.

Drug and Food Interactions:

Do not take Cabbage without talking to your doctor first if you are taking:

  • Acetaminophen (Tylenol(R))
  • Oxazepam (Serax(R))


  • Before taking Cabbage, tell your doctor if you are pregnant or breastfeeding

Side Effects:

Stop taking your medicine right away and talk to your doctor if you have any of the following side effects. Your medicine may be causing these symptoms which may mean you are allergic to it.

  • Breathing problems or tightness in your throat or chest
  • Chest pain
  • Skin hives, rash, or itchy or swollen skin

Other Side Effects:

You may have the following side effects, but this medicine may also cause other side effects. Tell your doctor if you have side effects that you think are caused by this medicine.

  • Upset stomach (2)
  • Gallstones (6)


1. Michaud DS, Spiegelman D, Clinton SK et al: Fruit and vegetable intake and incidence of bladder cancer in a male prospective cohort. J Natl Cancer Inst 1999; 91(7):605-613.

2. Fowke JH, Longcope C & Hebert JR: Brassica vegetable consumption shifts estrogen metabolism in healthy postmenopausal women. Cancer Epidemiol Biomarkers Prev 2000; 9(8):773-779.

3. Roberts KL, Reiter M & Schuster D: Effects of cabbage leaf extract on breast engorgement. J Hum Lact 1998; 14(3):231-236.

4. Balk JL: Indole-3-carbinol for cancer prevention. Altern Med Alert 2000; 3:105-107.

5. Pantuck EJ, Pantuck CB, Anderson KE et al: Effect of brussel sprouts and cabbage on drug conjugation. Clin Pharmacol Ther 1984; 35:161-169.

6. Kato I, Kato K, Akai S et al: A case-control study of gallstones: a major risk factor for biliary tract cancer. Jpn J Cancer Res 1990; 81(6-7):578-583.

Last Updated: 7/4/2018
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