Yes. All cans are marked with a tracking number and expiration date at the bottom. After the products are open they are effective for up to 6 months if stored with the lid on in a cool, dry place. However if not stored under these conditions the products will deteriorate more quickly. Q: Is the soy contained in the Reliv products safe and what is the processing of the soy used in Reliv products? A: Reliv believes that the soy contained in our products is safe for consumption on the basis that is recommended by both the Food and Drug Administration (FDA) and the American Heart Association. In 1999, the FDA approved the use of 25 grams of soy protein per day to reduce the risk of heart disease. One year later, the American Heart Association also recommended the use of soy for heart disease. Research has found that soy is safe for human consumption because for many infants, soy based infant formulas are the only source of nutrition for their first year of life. Approximately 20 million in