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BigAndyJ · 17-02-2008, 01:43 PM

I usually bring a protein shake to the gym and drink it immediately after a workout.

If I leave the bottle in my gym bag for a few days without washing, it absolutely stinks.

Why is this?

17-02-2008, 01:43 PM	#1 (permalink)
BigAndyJ Join Date: Jan 2008 Location: Belfast Posts: 133 Rep Power:	Why do protein shakes go off so quickly? I usually bring a protein shake to the gym and drink it immediately after a workout. If I leave the bottle in my gym bag for a few days without washing, it absolutely stinks. Why is this?