At the highest concentration of ascorbic acid, if given intravenously, they don't touch normal cells and they kill lots of cancer cells. We don't know why,
Quotes about ascorbic (3 Quotes)
What this does is provide plausibility that we should be reinvestigating ascorbic acid in cancer treatment. It's not ready for patients. Patients shouldn't get the wrong idea. We don't want to provide false hope.
Ascorbic acid (vitamin C, ascorbate) has a controversial history in cancer treatment, ... Observational reports described ascorbate, given in pharmacologic doses of 10 g daily, as effective in treating some cancers and in improving patient well-being. Subsequently, the same dose had no effect on patient well-being and survival in two double-blind placebo-controlled trials, and ascorbate was discarded as a treatment modality.