Spice Turmeric, Longevity Spice, Indian Saffron, Tumeric. Turmeric powder might well be the healthiest spice on Earth. Made by grinding the dried root of the Curcuma longa plant, this ancient superfood and key ingredient in curry powder has been used by Indian Ayurvedic healers for centuries. In recent years, also the scientific community has begun to show interest in the potential health benefits of the turmeric root. Turmeric can be consumed in its original powdered form through culinary additions to other foods.