I know most canned foods will last significantly longer than their expiration dates–even several years longer–with tomato based products being an exception. Of course, there is something to be said for how nutritious or tasty those cans of food are going to be years beyond their best by dates, but if you have nothing else to eat you’re probably not going to care much. Also, if you want to know precisely which canned foods to purchase, I write about that and more in my food storage book.
The following information comes, in large part, from the USDA and other credible sources. He discusses many considerations, including how nutritious the food may be after years of being in storage, how the storage environment affects longevity, how the cans are actually made and sealed and why that’s good for your safety, food rotation, and more…[Amazon Affiliate Disclosure: As an Amazon Associate I earn from qualifying purchases. FTC Disclaimer: I get commissions for purchases made through links in this post.]