Haldi powder, also called turmeric powder is commonly used in Asian food. You would have known turmeric as the main spice in curry. Turmeric contains a wide range of antioxidant, antiviral, antibacterial, antifungal, ant carcinogenic, ant mutagenic and anti-inflammatory properties. It is also a rich source of healthy nutrients such as protein, dietary fiber, niacin, Vitamin C, Vitamin E, Vitamin K, potassium, calcium, copper, iron, magnesium and zinc. All of such goodness of turmeric is often used to treat several health problems.