I ultimately cut out caffeine completely and have been trying alternative methods of improving my concentration (meditation, etc). I noticed that while using c

I ultimately cut out caffeine completely and have been trying alternative methods of improving my concentration (meditation, etc). I noticed that while using caffeine, my energy levels would go down pretty hard after the effects wore off, and my tolerance caused it's effect to diminish. Since quitting cold-turkey, I've noticed more stable energy levels throughout the day (not a surprising conclusion).