Natural Remedy: Ginseng for Energy and Focus - Best Health Learn about Ginseng, a natural remedy used to boost energy and improve focus. Ginseng (Panax ginseng) is a natural remedy relied upon for improving stamina, memory and mental focus. It is also used to boost immunity. Ginseng is a root that is sold dried as a tea, as a flavouring in beverages and as an extract in liquid, tincture and capsule form.