USDA Organic Turmeric Gold: Turmeric Root is a spice that has been recognized for centuries for its many traditional uses, and, in recent years it has also been shown to support the immune system. Although curcumin, the main compound present in turmeric, can be a notoriously difficult ingredient to absorb, piperine, the active ingredient in Black Pepper Seed, may support the absorption of curcumin.