I am trying to trim down a few pounds by exercising thru our stationery bike. I hope this helps me in achieving my desired weight. I've read that if you're working out on your body, they say it's best to take usplabs jack3d because it helps in giving more strength, energy and endurance. This supplement is said to help us not to have a bad work out again. Well, I thought of keeping some of this to keep me alert.