Jack 3d is the ultimate pre workout supplement. It is safely formulated to bring about unbelievable benefits such as lasting energy and increased endurance. All benefits necessary to achieve effective workout.
Difference of Jack3d to other Pre-workout products
Many pre-workouts on the market contain loads of the following:

?Maltodextrin ? This has a Glycemic Index rating higher than straight sugar ? yuck!
?Artificial flavors & colors
?High doses of magnesium that have you running for the porcelain throne.

Jack3d is the perfect blend of what you need without being loaded with what you don?t!

http://www.usplabsdirect.com/catalog/product_info.php?products_id=122Serving Size 1 Scoop 5.5 Gms
Serving Per Container 45