as with all herbal products there can be serious side effects,
* Nausea
* Diarrhea
* Increased risk of bleeding
* Increased liver function tests
* Hyperactive gallbladder contractions
* Hypotension (lowered blood pressure)
* Uterine contractions in pregnant women
* Increased menstrual flow
People taking certain medications should also be careful when using turmeric in their food or supplementing with it. Turmeric may interfere with anti-coagulants like aspirin, clopidogrel and warfarin. It also can affect medications such as non-steroidal, anti-inflammatory drugs.