Kintscher, U., Foryst-Ludwig, A., Haemmerle, G
Properties and possible applications: Vitamin C contributes to normal collagen formation for the normal functioning of blood vessels, bones, cartilage, gums, skin, and teeth, to normal energy metabolism, to the normal functioning of the nervous system, to normal psychological function, to the normal functioning of the immune system, to the protection of cells from oxidative damage, helps reduce tiredness and fatigue, helps regenerate the reduced form of vitamin E, and to the improvement of iron absorption
Furthermore, it reduces the risk of bone fracture and enhances cognition
Having said this, if you use a coffee enema to purge your colon, your liver would be the secondary beneficiary