'The Orissor Way' site www.orissor.com worth a look as information is free to download Advises leave all animal products out of diet but fish is acceptable - can assist reversal of some cancers I am interested in others opinion-I have always been vegetarian but now as I am older & have back & leg pain I have started no animal product regime & can say I am slowly feeling more energetic & have less pain-will report back with progress each week if anyone interested.