Turmeric is not safe for people with diabetes and hypertension. It has properties that can interact with drugs such as aspirin, NSAID painkillers, statins, diabetes drugs, blood pressure medicines and blood thinners. It is advised to consult a doctor first before taking this supplement, claims WebMD.
Since it is one of the main components of curry powder, it is often used as a spice for cooking. It is also believed to treat certain illnesses. Several lab studies show that turmeric and curcumin can protect a person from skin diseases, Alzheimer's disease, colitis, stomach ulcers and high cholesterol, amongst many others. These are studies done in laboratories only. There is no proven treatment yet for turmeric, notes WebMD.