Clinical studies has suggested  that Black ginger contains natural PDE5 inhibitors which may  inhibit the enzyme that breaks down nitric oxide (NO). This may increase the availability of nitric oxide and prolong vasodilation*.

Black ginger may also offer benefits for muscle endurance* and physical performance*. Studies has also  shown it may increase hand grip strength*.

Black ginger has been suggested in research studies to increase energy production by activating AMPK (AMP-activated protein kinase), which may benefit body composition*.