We use 100% pure black ginger extract. Native of Thailand ,black ginger is not really black in color but a real dark purple hue. It has a different flavor than normal ginger. It is earthier in its flavor with a spiciness and heat to it, but much more subdued than ginger. Benefits include: improves physical fitness performance and muscle endurance, boost energy production, lowers blood glucose levels and improve blood flow, natural antidepressant, contains anti-inflammatory, anti-plasmodial, anti-fungal, anti-microbacterial, adaptogenic, anti-diabetic, anti-allergy, anti-obesity and antioxidant properties. May also relieve gastric and peptic ulcers, bloating, gout, and abdominal pain.