While there is no absolute rule that you must not eat goji berries beyond their shelf life, it is generally not recommended to continue to consume them in large quantities. Shelf life refers to the optimal storage time for the quality of the food. Theoretically speaking, food after the shelf life generally can not continue to eat, but if the food storage is intact, goji berry food traits have not changed, a small amount of consumption is generally not too big a problem. Generally more than the shelf life of goji berries taste and nutritional value will be lost, after the shelf life, but goji berries stored well, packaging is not broken, color, smell and odor have not changed, a short period of time theoretically can be a small amount of food. But if there is obvious appearance, odor changes, mold, plaque and other situations, even if not over the shelf life should be avoided to continue to eat. If the consumption of expired goji berries appear any adverse reactions, should be the first time to go to the hospital for treatment.