https://www.vetsurgeon.org/f/clinical-questions/20078/epi-website This looks good http://www.epi4dogs.com/ Detailed and up to date, talks about B12 etc as well, and there is an interesting bit about needing to fast a dog for 12-15 hours first. As B12 is measured quite frequently is this the case outside Texasen-USTelligent Community 10https://www.vetsurgeon.org/thread/120875?ContentTypeID=1Tue, 16 Sep 2014 10:06:25 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:ff58ac22-24ab-4846-a332-5b967d6ccd8eRobin Grimmer<p>pretty useful site. What are most people recommending for treating EPI these days?</p><div style="clear:both;"></div>https://www.vetsurgeon.org/thread/120860?ContentTypeID=1Mon, 15 Sep 2014 20:41:33 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:cd049b3f-0b0c-413f-987d-d8b7d01da5bfUtlendigur<p>We&#39;re usually measuring B12 together with TLI and folate and tell owners to fast dog for 12hrs beforehand (use idexx - pretty sure it is in their info somewhere)</p><div style="clear:both;"></div>