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Question: Is it safe to take curcumin or turmeric supplements for a long period of time?
Answer: Formal, long-term safety studies have not been conducted with curcumin or turmeric supplements, although smaller efficacy studies have not shown toxicity with fairly high doses. Side-effects, however, can occur. Keep in mind that 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 >>