What is the shelf life of OraMD Breath? Stephanie October 11, 2018 20:15 Updated Three years unopened. Six months opened. Related articles How much product is in each bottle of Breath Spray? Once I have reached my desired results, can I continue using OraMD Breath? What are the ingredients? How long does a bottle of OraMD Breath last? Comments 0 comments Please sign in to leave a comment.