I have used supplements in the past, and they either didn't affect me or left me feeling like crap afterword. I started using Ignite to kick off my day after a friend recommended it to me and WOW! I have a full day of energy with zero crash. Its not pre work, there is no buzzing sensation, just a slow change in attitude and energy. Next thing I know its the end of my day and I still feel great! I promise you wont regret trying it.