I'll try and find the number for Marriges In Chelmsford,They are an animal feed merchant they will stock it also they stock various fishmeals,milk replacers in fact alsorts of great stuff for pastes and bolie's.
Joe  
Don't argue with an idiot they will only bring you down to there level and beat you on experience
[:I][:I][:I]Cheers all you've made me Blush[:I][:I][:I]
The best place (and only source i've found) to get the Gluten is from health food shops.
If you use human grade Gluten you get a better result than you do with Animal grade as the animal grade is coarser.