What Are the Negative Effects of Turmeric?

Reviewed on 5/25/2021
Consuming turmeric and curcumin can have negative effects on your body

Turmeric has long been used in traditional eastern medicine for its health benefits. Curcumin, which is the main bioactive component in turmeric, is a powerful antioxidant with anti-inflammatory properties. 

However, while turmeric and curcumin are generally safe to consume, too much of a good thing can be dangerous. Taking turmeric in large doses has potential risks:

Depending on your overall health and whether you have conditions like gastrointestinal disorders or kidney stones, you should speak with your doctor before taking turmeric supplements.

How much turmeric is safe to consume?

Studies that show the health benefits of turmeric use turmeric extracts that contain mostly curcumin in doses exceeding 1 gram per day. Since it’s difficult to consume that much naturally in a regular diet, turmeric is often taken as a supplement, where the curcumin content is much higher. 

Generally speaking, an acceptable amount of curcumin supplement to take on a daily basis is about 1.4 milligrams per pound of body weight, up to 12 grams. Anything more than that can cause you to have adverse reactions.


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WebMD. Health Benefits of Turmeric. https://www.webmd.com/diet/ss/slideshow-turmeric

WebMD. Turmeric. https://www.webmd.com/vitamins/ai/ingredientmono-662/turmeric

National Center for Complementary and Integrative Health. Turmeric. National Institutes of Health. https://www.nccih.nih.gov/health/turmeric

Keith S. Turmeric. Nutrition Today. 2020; 55(1): 45-56. https://journals.lww.com/nutritiontodayonline/fulltext/2020/01000/turmeric__potential_health_benefits.9.aspx

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