I take 5 grams ofwith my preworkout mix and 5 grams after workouts with a protein shake. I also take 5 grams before bed. Ive heard that glutamine has a negative reaction with , is that true? i ussually mix in five grams of before and after workouts with the glutamine. I was also just wondering the overall effectiveness of glutamine in aiding with muscle recovery? are there better powders out there?