Magnetite, which is an oxide of iron, is principally stored in the shoulders, and you will discover this using the device.
It's removal is straightforward, but time consuming. Read ''Desatascador complete in 8 parts.''
No 'pill' will ever do the same, because magnetite formed into magnetosomes is ferro magnetic and remains on the walls of veins attracted to other molecules of magnetite as blood is extracted.
Magnetite was not seen in the human brain until 1994. Then using a very powerful electron microscope.