1 A simple injection of 5000mg of vitamin C produces a blood value of 3mMol/L and the research has shown that you can kill most cancer cells in the laboratory with values between 0.5 to 3mMol/L.ormal or healthy cells do not respond this way with vitamin C. This phenomenon makes intravenous vitamin C a very unique and targeted treatment unlike any other chemotherapy-like medicine. It is important that each intravenous treatment be tailored to the individual patient and particular situation.