While its known health benefits are many, there are some contraindications and side effects of turmeric to be aware of. While eating it or supplementing in normal amounts is generally considered safe, higher doses may cause side effects and people with certain conditions should avoid it altogether.
People with digestive issues such as stomach ulcers, acid reflex disease, gallstones, liver disease or bile duct obstruction should be careful with turmeric because it may worsen these conditions.
Because turmeric can stimulate the uterus, pregnant women should use it with caution. It is generally considered safe to eat food seasoned with turmeric while pregnant but taking large medicinal amounts is not considered safe. It is also not recommended to supplement with turmeric while breastfeeding.
Because it can lower blood sugar levels, people with diabetes, especially those taking blood sugar lowering medication, should be careful about taking too much turmeric.
Do not take turmeric supplements for at least two weeks prior to surgery. It is a blood thinner and may slow blood clotting which may result in excess bleeding after surgery.
Testosterone may lower testosterone and sperm mobility so men in a couple that is trying to conceive may want to avoid turmeric supplementation.
This is not an exhaustive list of all potential side effects. Always consult with your doctor before adding turmeric or any other herbal supplement to your diet. Don’t take excessively high doses of turmeric or any other supplement. Remember that more is not always better.