Curcumin is a polyphenol pigment that gives the spice turmeric its bright yellow color. Turmeric, and extracts enriched in curcumin, are used in both traditional and modern medicine as a digestive aid. Modern research has shown that curcumin increases the production of stomach acid and bile. If you suffer from stomach or other ulcers, curcumin may worsen symptoms.
Ulcers
Ulcers are open sores perforating the protective lining of the esophagus, stomach and upper small intestine. The protective lining of the stomach ordinarily shields the surrounding tissues from the effects of acid and enzymes --- proteins that perform chemical reactions, such as breaking down food --- present in the gastrointestinal tract. According to the Mayo Clinic, most ulcers are caused by bacterial infections and certain medications.
Curcumin Use
Extracts of turmeric enriched in the curcumin pigment are used in both traditional and modern medicine. According to the Linus Pauling Institute, studies of curcumin in the test tube have found it to have anti-inflammatory, anti-cancer and anti-oxidant properties. However, the only effect of curcumin and turmeric proved in humans is the increased production of bile and stomach acid.
Avoiding Curcumin
The increase of stomach acid and other digestive juices brought about by curcumin and turmeric can worsen ulcers. According to the Mayo Clinic, when ulcers worsen, it can lead to internal bleeding, bacterial infections and the formation of scar tissue. The University of Maryland Medical Center warns that people with ulcers or other problems with the stomach or bile ducts should consult with their doctor before taking turmeric or curcumin.
Safety and Use
The recommended dose for curcumin is 400 mg to 600 mg taken three to four times daily, according to the University of Maryland Medical Center. Curcumin may change the effectiveness of blood thinners, raising the risk of uncontrolled bleeding. This can be especially problematic with ulcers, where there is a risk of internal bleeding. Curcumin may also lower blood sugar severely in diabetics.
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