Sambar powder is a flavorful South Indian style, coarse textured spice powder prepared by grinding and blending various types of basic Indian spices. 
 
Ingredients
Coriander seeds, cumin seeds, mustard seeds, black peppercorn’s, dry red chilies, fenugreek seeds, chana dal, curry leaves.
 
Health Benefits
Mustard seeds are a good source of B vitamins as well as rich in magnesium and selenium. 
Sambar powder has a significant quantity of iron, which may be found in coriander seeds and chana dal. 
The majority of the ingredients in sambar powder are high in dietary fiber.