Yes, like all supplements, BCAAs (branched-chain amino acids) can expire. Most BCAA supplements have a shelf life of 1-2 years if stored properly in a cool, dry place away from direct sunlight.
Over time, the effectiveness and safety of the product can decrease as the ingredients start to break down. Consuming expired BCAAs can also increase the risk of bacterial growth or contamination, which can be harmful to your health.
To ensure that your BCAA supplement is safe and effective, it's important to check the expiration date before consuming it. If the product has expired, it's best to discard it and purchase a new one to ensure that you're getting the full benefits of the supplement.