Vitamin C is more powerful than many of us Realise.
Popular Toronto Sun columnist Dr Gifford-Jones is the biggest proponent of massive Vitamin C for curing pretty much everything, especially heart disease and cancers.
Here are is a couple of references, a search of him will bring up a LOT more information.
https://ethicalnag.org/2014/02/14/w-gifford-jones-vitamin-c-lysine/
https://windsorstar.com/life/dr-gifford-jones-vitamin-c-what-you-dont-know-about-its-benefits