Liquid Aminos FAQ's. This page is here to help enlighten you, our friends and customers, about the most common areas of interest concerning Bragg Liquid Aminos Seasoning. By presenting you with a cross section of frequently asked questions we hope to provide you with simple concise answers to your most common queries.3 - What is the shelf life of Bragg Liquid Aminos? The shelf life for an unopened bottle of Bragg Liquid Aminos (stored in a cool location) is 3 years from the producution date. We recommend that opened bottles best be used within 3 to 6 months in order to maintain quality, freshness and flavor.