Are you speaking of this product?: http://www.equimins-online.com/all-products/26-equimins-cooked-linseed.html
If so, "cooked" may be the term used to describe the stabilization of the flax after it is ground. Here in the US, we can buy ground, stabilized flax that does not require refrigeration after grinding. The fatty acids are very unstable and can go rancid quickly. "Cooked" is a bit of a misnomer because applying heat will destroy the essential fatty acids (EFAs). Since this product specifically lists the EFA content, it should be adequate.
I think from research I did a while ago the equimins linseed & the Charnwood mill linseed are very similar nutritional spec. I haven't seen any others available in the UK.... I use the Charnwood one - always been happy with it & horses love it.
