http://articles.mercola.com/sites/articles/archive/2008/01/02/dmso-and-vitamin-b12.aspxby Dr. David Gregg There have been a number of publications reporting studies showing that breathing nitrous oxide may destroy a person's vitamin B12. This has been reported not only in journal articles, but has finally been incorporated in the latestenCommunityServer 2008.5 SP1 (Build: 31106.3070)http://articles.mercola.com/sites/articles/archive/2008/01/02/dmso-and-vitamin-b12.aspx#43226Sat, 19 Apr 2008 09:59:45 GMT24451277-a5aa-4add-96dc-64081bfd86fa:43226doubletrouble<p>No information given as to the freqency recommended for B12 injections??????Would appreciate a reply at</p> <p>barbara.mclaren@sympatico.ca</p> <p>Thank you</p> <img src="http://articles.mercola.com/aggbug.aspx?PostID=43226" width="1" height="1">