uese0686 years ago+110Question about the silver ion tablets! Do they also have an expiry date? E.g. like headache tablets = valid for 2 years!Show in original language (German)LightFotoni156 years ago • purchased this product011purchased this product Helpful answerYes. Four years for me. But tabs are hermetically sealed in foil. Claim much longer shelf life.Show in original language (German)Comment