ESSIAC For Pets ESSIAC For Pets bottles of 60 capsules/ bottle Essiac For Pets Original Herbal Formula since 1922 that helps to support your immune system, furtheremore ESSIAC has been known to help cleanse and detoxify the body through the mucus membranes, kidneys and the skin. Essiac For Pets is an immune system support from Rene M. Caisse since 1922 Made only in Canada since 1922.