The Procter & Gamble Company is recalling specific lots of its Iams canned cat food in North America as a precautionary measure. The product may contain insufficient levels of thiamine (Vitamin B1), which is essential for cats. The recall includes Iams ProActive Health canned Cat and Kitten Food - all varieties of 3 oz & 5.5 oz cans. The date on the bottom is 09/2011 to 06/2012.This recall is limited to only Iams canned cat food distributed in North America. No other Iams pet food is involved. Discard any canned cat food you have purchased with these codes should discard it. For further information or a product refund, call P&G toll-free at 877-340-8826 (Monday - Friday, 9:00 AM to 7:00 PM EST).