It can prevent oxidation from inflicting damage on cells throughout your body, and it can repair cells that have already been damaged by it, thereby preventing them from becoming free radicals that steal electrons away from their neighbouring cells in the process of trying to repair themselves.
Alkaline water, such as is produced by popular filtration systems, has been tested specifically and discovered to be one of the strongest antioxidants ever examined. Oxidative damage is one of the causes of many health problems, including cancer, early aging, dementia and other neurological conditions.
Damaged cells cannot function as required, which means that no-one with a significant amount of oxidative damage can genuinely have energy, mental clarity, good health and so on.
