Cocosoya can be bought online at www.bigdweb.com or many other places. It is actually all one word, like COCOSOYA, made by uckele.
Uckele Health & Nutrition - Blissfield Michigan, Equine and Human Supplements
Cocosoya comes in 1 gallon, 2.5 gallon, 5 gallon, or you can go absolutely nuts and buy it is a 55 gallon drum!
It really is awesome stuff, it helps hold weight on hard keepers and is one of the best skin and coat supplements I have found.
Uckele Equine Nutrition
That is the link to the 1 gallon cocosoya on their website.