A search engine for evidence based health information.
Most of the content is from the UK, and much of that from the NHS. All the sources are generally considered reliable.
Content includes guidelines (including NICE, SIGN, etc.), polilcies, overviews, information for patients, and much, much more.
It's one of they key routes into your NHS content - so (via the Journals and Databases section) you can access databases such as CINAHL and MEDLINE, and all of our NHS journals.
Yes, both the BNF and BNF for Children are available from NICE Evidence Search.