Do BCAA's Go Bad?

I got lucky – a friend of mine gave me a small tub of BCAA powder for free. Problem is it’s from a year ago. Or is that no problem at all? (The container lists no expiration date. Also, it’s been opened.)

If it’s powder, it’ll probably now have twice the assy flavor. Enjoy!

[quote]SBT wrote:
If it’s powder, it’ll probably now have twice the assy flavor. Enjoy![/quote]

not to mention it doesnt mix