I notice a positive effect on my recovery when I take it regularly. Now that I just started trying to bulk in a BIG way, I drink a 32oz combo of gatorade, BCAA's, creatine, and glutamine every day, whether it's a lifting day or not. I don't stay sore as long, even though I workout harder. And the gear only started a week ago so it's not that, must be the extra glutamine. Hell, even if it did nothing else, it's still an amino acid, a building block of protein, or muscle as we call it, can't really hurt to take in extra protein can it?