The following table denotes the symbols available using this technique. These symbols are generally not found on keyboards, but they are viewable in most word processors and Web browsers. An extended set of symbols is viewable in more advanced Web browsers.
The ideal poison for committing a homicide must be: odorless, tasteless, difficult to detect and mimic the symptoms of naturally occurring diseases, finds Anil Aggrawal, professor of Forensic Medicine at the Maulana Azad Medical College in New Delhi, India.
Multivitamins and prenatal vitamins with high amounts of heavy metals such as zinc, copper or chromium will cause a bitter taste in mouth. Calcium and iron supplements have the same effect. The taste disappears after the supplements and vitamins are absorbed in your body. The taste might persist if you overdose.