We keep about 8 bottles of the stuff in our emergency supplies and rotate it regularly with the cans of tuna, dried blueberries, vienna sausage and other assorted stuff.
If this knowlegdge becomes widespread, I preduct the government will try to regulate it, tax it, or both.
You can get 35% food grade H202 at Amazon.com.
Here is a website that has a lot of info.
http://www.h2o2-4u.com/
I came across this GoogTube with a guy who talks about the benefits of it.
http://www.youtube.com/watch?v=X9DhBPegqqY
Other places where you can buy food grade 35% H202.
http://www.earthclinic.com/Remedies/hydrogen_peroxide_where_to_buy.html