The same rules apply to both food and food supplements. It is always the responsibility of the producer or importer and seller of foods that the products are safe for the consumer.
Some of our Reference materials are approaching their expiry date. We are planning to test their stability in an near future in order to decide wether we will prolong the expiry date or manufacture new batches. To find out click on the List of Reference materials where we will update the information about the Reference materials.