how much vitamin b6 is too much
Taking too much vitamin B6 can be harmful because excess amounts of B6 can cause nerve damage. Taking too much vitamin B12 is rare, but excess amounts of B12 may cause complications for people with certain underlying conditions. Consult your doctor before taking vitamin B6 or vitamin B12 to avoid health problems.aking too much vitamin B6 can cause nerve damage, but vitamin B12 is safe for most people.