Answer:Formal, long-term safety studies have not been conducted with curcumin or turmeric supplements. While smaller efficacy studies using fairly high doses have generally not shown toxicity in most people, abnormal liver function has been reported in a small percentage of people taking turmeric/curcumin supplements for longer than one month, even at typical dosages. Also be aware that other side-effects can occur. Additionally, bioavailability enhancers found in some curcumin supplements can interfere with certain medications and medical conditions. For more details, see the "Concerns and Cautions" section of the Curcumin and Turmeric Supplements and Spices Review >>
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