It is, after all, one of the world's most expensive spices, second only in cost to saffron itself.

Saffron is the most expensive spice in the world.

Saffron was the most expensive spice in the world, and made fortunes for those who dealt in it.

A few merchants began to trade in sugar-a luxury and an expensive spice until the 18th century.

Green cardamom is one of the most expensive spices by weight but little is needed to give the flavor.

Except for saffron, it is the world's most expensive spice and is a lucrative commercial product.

The most expensive spice, saffron, comes from the crocus flower.

These pepperpots are thought to have contained pepper or some other expensive spice.

Due to the amount of labor involved in harvesting, saffron is considered one of the world's most expensive spices.

That said, using the world's most expensive spice as a dietary supplement seems impractical and pricey.