Behold the legendary Jack3d pre-workout by USP Labs. This is the ultimate pre-workout training matrix.
If you're looking for a STRONG pre-workout which is sure to give you the energy you need to crush your session... this is it!
USP Jack3d Advanced may give you an intense rush, a telling tingle and an advanced feel of strength.
EFECTIV enXtra® capsules provide the clinical dose (300mg) of the award-winning plant extract ingredient enXtra®. enXtra® has been clinically proven to:
- Increase baseline alertness scores up to five hours compared to several other plant extracts.
- Increase focus attention to a greater extent compared to caffeine and placebo.
- Amplify the effects of caffeine without increasing heart rate or blood pressure.