The lifespan of sodas, also known as soft drinks or carbonated beverages, can vary depending on various factors, including the type of soda, the packaging, and storage conditions. In general, unopened cans or bottles of soda can last for several months to a year or more from the date of production, as long as they are stored properly.
The key to preserving the quality and taste of sodas is to store them in a cool, dry place, away from direct sunlight and extreme temperatures. Refrigeration is an effective way to extend the shelf life of sodas, especially after they have been opened.
If a soda remains unopened and is stored in a cool, dry place, it will typically remain safe to drink for an extended period, but the carbonation and flavor may gradually deteriorate over time. It's common for sodas to lose some of their fizz and taste after several months or longer, but they are still generally safe to consume unless the container shows signs of damage, leakage, or the soda has an off odor or taste.
Once a soda is opened, its lifespan is significantly reduced because carbonation can escape, and the drink may become flat or stale more quickly. Refrigerating an opened soda can slow down these changes and help maintain the taste and quality for a few days to a week, depending on the type of soda and how well it's resealed.
It's important to check the expiration or "best by" date on the soda container to get an idea of its shelf life. While most sodas are safe to consume past their expiration dates, the taste and quality may not be as good as when they are fresh.